> ## Documentation Index > Fetch the complete documentation index at: https://clickhouse.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Central de suporte > Navegue e pesquise na base de conhecimento do ClickHouse export const kbIndex = { categories: ["Cloud", "Configuration & settings", "Data import & export", "Data management", "General & FAQs", "Integrations & client libraries", "Materialized views & projections", "Monitoring & debugging", "Performance & optimization", "Queries & SQL", "Security & access control", "Setup & installation", "Tables & schema", "Troubleshooting & errors"], tags: ["Best Practices", "Community", "Concepts", "Core Data Concepts", "Data Export", "Data Formats", "Data Ingestion", "Data Modelling", "Data Sources", "Deployments and Scaling", "Errors and Exceptions", "Functions", "Language Clients", "Managing Cloud", "Managing Data", "Native Clients and Interfaces", "Performance and Optimizations", "Runbooks", "Security and Authentication", "Server Admin", "Settings", "System Tables", "Tools and Utilities", "Troubleshooting", "Use Cases"], articles: [{ id: "integrations/python-clickhouse-connect-example", title: "A Python client working example for connecting to ClickHouse Cloud service", description: "Learn how to connect to ClickHouse Cloud Service using Python with a step-by-step example using the clickhouse-connect driver.", href: "/pt-BR/resources/support-center/knowledge-base/integrations/python-clickhouse-connect-example", category: "Integrations & client libraries", tags: ["Language Clients"] }, { id: "configuration-settings/about-quotas-and-query-complexity", title: "About quotas and query complexity", description: "Quotas and Query Complexity are powerful ways to limit and restrict what users can do in ClickHouse. This KB article shows examples on how to apply these two different approaches.", href: "/pt-BR/resources/support-center/knowledge-base/configuration-settings/about-quotas-and-query-complexity", category: "Configuration & settings", tags: ["Managing Cloud"] }, { id: "data-import-export/achieving-atomic-inserts", title: "Achieving atomic inserts and multi-table consistency in ClickHouse Cloud", description: "How to load data atomically and keep multiple tables consistent in ClickHouse Cloud without multi-statement transactions, using staging tables and partition-level operations.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/achieving-atomic-inserts", category: "Data import & export", tags: ["Data Ingestion", "Best Practices"] }, { id: "tables-schema/add-column", title: "Adding a column to a table", description: "In this guide, we'll learn how to add a column to an existing table.", href: "/pt-BR/resources/support-center/knowledge-base/tables-schema/add-column", category: "Tables & schema", tags: ["Data Modelling"] }, { id: "configuration-settings/alter-user-settings-exception", title: "Alter user settings exception", description: "Handing the an exception thrown when altering user settings", href: "/pt-BR/resources/support-center/knowledge-base/configuration-settings/alter-user-settings-exception", category: "Configuration & settings", tags: ["Settings", "Errors and Exceptions"] }, { id: "materialized-views/are-materialized-views-inserted-asynchronously", title: "Are Materialized Views inserted synchronously?", description: "This KB article explores whether Materialized Views are inserted synchronously", href: "/pt-BR/resources/support-center/knowledge-base/materialized-views/are-materialized-views-inserted-asynchronously", category: "Materialized views & projections", tags: ["Data Modelling"] }, { id: "tables-schema/schema-migration-tools", title: "Automatic schema migration tools for ClickHouse", description: "Learn about automatic schema migration tools for ClickHouse and how to manage changing database schemas over time.", href: "/pt-BR/resources/support-center/knowledge-base/tables-schema/schema-migration-tools", category: "Tables & schema", tags: ["Tools and Utilities"] }, { id: "cloud-services/aws-privatelink-setup-for-msk-clickpipes", title: "AWS PrivateLink setup to expose MSK for ClickPipes", description: "Setup steps to expose a private MSK via MSK multi-VPC connectivity to ClickPipes.", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/aws-privatelink-setup-for-msk-clickpipes", category: "Cloud", tags: ["Security and Authentication", "Managing Cloud"] }, { id: "cloud-services/aws-privatelink-setup-for-clickpipes", title: "AWS PrivateLink setup to expose private RDS for ClickPipes", description: "Setup steps to expose a private RDS via AWS PrivateLink to ClickPipes.", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/aws-privatelink-setup-for-clickpipes", category: "Cloud", tags: ["Security and Authentication", "Managing Cloud"] }, { id: "cloud-services/aws-privatelink-vpc-endpoint-service-for-msk-cluster", title: "AWS PrivateLink VPC endpoint service for MSK cluster", description: "Passos de configuração para expor um cluster MSK ao ClickPipes por meio de serviços de endpoint VPC do AWS PrivateLink.", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/aws-privatelink-vpc-endpoint-service-for-msk-cluster", category: "Cloud", tags: ["Security and Authentication", "Managing Cloud"] }, { id: "data-management/backing-up-a-specific-partition", title: "Backing up a specific partition", description: "How can I backup a specific partition in ClickHouse?", href: "/pt-BR/resources/support-center/knowledge-base/data-management/backing-up-a-specific-partition", category: "Data management", tags: ["Managing Data"] }, { id: "general-faqs/key-value", title: "Can I use ClickHouse as a key-value storage?", description: "Answers the frequently asked question of whether or not ClickHouse can be used as a key-value storage?", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/key-value", category: "General & FAQs", tags: [] }, { id: "general-faqs/time-series", title: "Can I use ClickHouse as a time-series database?", description: "Page describing how to use ClickHouse as a time-series database", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/time-series", category: "General & FAQs", tags: [] }, { id: "queries-sql/pivot", title: "Can you PIVOT in ClickHouse?", description: "ClickHouse doesn't have a PIVOT clause, but we can get close to this functionality using aggregate function combinators. Let's see how to do this using the UK housing prices dataset.", href: "/pt-BR/resources/support-center/knowledge-base/queries-sql/pivot", category: "Queries & SQL", tags: ["Data Modelling", "Core Data Concepts"] }, { id: "general-faqs/vector-search", title: "Can you use ClickHouse for vector search?", description: "Learn how to use ClickHouse for vector search, including storing embeddings and searching with distance functions like cosine similarity.", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/vector-search", category: "General & FAQs", tags: ["Use Cases", "Concepts"] }, { id: "monitoring-debugging/send-logs-level", title: "Capturing server logs of queries at the client", description: "Learn how to capture server logs at the client level, even with different log settings, using the `send_logs_level` client setting.", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/send-logs-level", category: "Monitoring & debugging", tags: ["Server Admin"] }, { id: "configuration-settings/change-the-prompt-in-clickhouse-client", title: "Change the prompt in clickhouse-client", description: "This article explains how to change the prompt in your Clickhouse client and clickhouse-local terminal window from :) to a prefix followed by :)", href: "/pt-BR/resources/support-center/knowledge-base/configuration-settings/change-the-prompt-in-clickhouse-client", category: "Configuration & settings", tags: ["Settings", "Native Clients and Interfaces"] }, { id: "security/common-rbac-queries", title: "Consultas RBAC comuns", description: "Consultas para ajudar a conceder permissões específicas aos usuários.", href: "/pt-BR/resources/support-center/knowledge-base/security/common-rbac-queries", category: "Segurança e controle de acesso", tags: ["Security and Authentication", "Managing Cloud"] }, { id: "queries-sql/comparing-metrics-between-queries", title: "Comparando métricas entre consultas em decibéis", description: "Uma consulta para comparar métricas entre duas consultas no ClickHouse.", href: "/pt-BR/resources/support-center/knowledge-base/queries-sql/comparing-metrics-between-queries", category: "Consultas e SQL", tags: ["Performance and Optimizations"] }, { id: "configuration-settings/configure-cap-ipc-lock-and-cap-sys-nice-in-docker", title: "Configurando as capacidades CAP_IPC_LOCK e CAP_SYS_NICE no Docker", description: "Saiba como resolver avisos de capacidade do Docker para `CAP_IPC_LOCK` e `CAP_SYS_NICE` ao executar o ClickHouse em um contêiner.", href: "/pt-BR/resources/support-center/knowledge-base/configuration-settings/configure-cap-ipc-lock-and-cap-sys-nice-in-docker", category: "Configuração e ajustes", tags: ["Errors and Exceptions"] }, { id: "troubleshooting/configure-cap-ipc-lock-and-cap-sys-nice-in-docker", title: "Configurando as capacidades CAP_IPC_LOCK e CAP_SYS_NICE no Docker", description: "Saiba como resolver avisos de capacidade do Docker para `CAP_IPC_LOCK` e `CAP_SYS_NICE` ao executar o ClickHouse em um contêiner.", href: "/pt-BR/resources/support-center/knowledge-base/troubleshooting/configure-cap-ipc-lock-and-cap-sys-nice-in-docker", category: "Solução de problemas e erros", tags: ["Errors and Exceptions"] }, { id: "cloud-services/confluent-cloud-private-connectivity-for-clickpipes", title: "Conectividade privada do Confluent Cloud para ClickPipes", description: "Como conectar o ClickPipes a um cluster Kafka do Confluent Cloud existente via AWS PrivateLink ou GCP Private Service Connect.", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/confluent-cloud-private-connectivity-for-clickpipes", category: "Cloud", tags: ["Security and Authentication", "Managing Cloud"] }, { id: "cloud-services/custom-dns-alias-for-instance", title: "Crie um alias DNS personalizado configurando um proxy reverso", description: "Saiba como configurar um alias DNS personalizado para sua instância usando um proxy reverso", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/custom-dns-alias-for-instance", category: "Cloud", tags: ["Server Admin", "Security and Authentication"] }, { id: "troubleshooting/part-intersects-previous-part", title: "DB::Exception: Part XXXXX intersects previous part YYYYY. It is a bug or a result of manual intervention in the ZooKeeper data.", description: "Este artigo explica como resolver o erro DB::Exception relacionado a partes que se intersectam no ClickHouse, frequentemente causado por uma condição de corrida ou intervenção manual nos dados do ZooKeeper.", href: "/pt-BR/resources/support-center/knowledge-base/troubleshooting/part-intersects-previous-part", category: "Solução de problemas e erros", tags: ["Errors and Exceptions", "System Tables"] }, { id: "setup-installation/difference-between-official-builds-and-3rd-party", title: "Diferenças entre builds oficiais e de terceiros do ClickHouse", description: "Entenda as principais diferenças entre os builds oficiais do ClickHouse e os builds de terceiros, incluindo atualizações, compatibilidade e considerações de segurança.", href: "/pt-BR/resources/support-center/knowledge-base/setup-installation/difference-between-official-builds-and-3rd-party", category: "Configuração e instalação", tags: ["Concepts"] }, { id: "general-faqs/cost-based", title: "O ClickHouse possui um otimizador baseado em custo?", description: "O ClickHouse possui certas mecânicas de otimização baseadas em custo", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/cost-based", category: "Geral e perguntas frequentes", tags: [] }, { id: "general-faqs/datalake", title: "O ClickHouse suporta data lakes?", description: "O ClickHouse suporta data lakes, incluindo Iceberg, Delta Lake, Apache Hudi, Apache Paimon, Hive", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/datalake", category: "Geral e perguntas frequentes", tags: [] }, { id: "general-faqs/distributed-join", title: "O ClickHouse suporta JOIN distribuído?", description: "O ClickHouse suporta JOIN distribuído", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/distributed-join", category: "Geral e perguntas frequentes", tags: [] }, { id: "general-faqs/federated", title: "O ClickHouse suporta consultas federadas?", description: "O ClickHouse suporta uma ampla gama de consultas federadas e híbridas", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/federated", category: "Geral e perguntas frequentes", tags: [] }, { id: "general-faqs/concurrency", title: "O ClickHouse suporta consultas frequentes e simultâneas?", description: "O ClickHouse suporta alto QPS e alta concorrência", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/concurrency", category: "Geral e perguntas frequentes", tags: [] }, { id: "cloud-services/multi-region-replication", title: "O ClickHouse suporta replicação multirregional?", description: "Esta página responde se o ClickHouse suporta replicação multirregional", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/multi-region-replication", category: "Cloud", tags: [] }, { id: "general-faqs/updates", title: "O ClickHouse suporta atualizações em tempo real?", description: "O ClickHouse suporta atualizações leves em tempo real", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/updates", category: "Geral e perguntas frequentes", tags: [] }, { id: "security/row-column-policy", title: "O ClickHouse suporta segurança em nível de linha e coluna?", description: "Saiba mais sobre restrições de acesso em nível de linha e coluna no ClickHouse e no ClickHouse Cloud, e como implementar controle de acesso baseado em função (RBAC) com políticas.", href: "/pt-BR/resources/support-center/knowledge-base/security/row-column-policy", category: "Segurança e controle de acesso", tags: ["Security and Authentication"] }, { id: "cloud-services/execute-system-queries-in-cloud", title: "Execute instruções SYSTEM em todos os nós no ClickHouse Cloud", description: "Saiba como usar `ON CLUSTER` e `clusterAllReplicas` para executar instruções e consultas SYSTEM em todos os nós de um serviço ClickHouse Cloud.", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/execute-system-queries-in-cloud", category: "Cloud", tags: ["Deployments and Scaling"] }, { id: "troubleshooting/count-parts-by-type", title: "Encontre contagens e tamanhos de partes largas ou compactas", description: "Este artigo da base de conhecimento mostra como encontrar contagens de partes pelo tipo de parte - larga ou compacta.", href: "/pt-BR/resources/support-center/knowledge-base/troubleshooting/count-parts-by-type", category: "Solução de problemas e erros", tags: ["Troubleshooting"] }, { id: "troubleshooting/fix-developer-verification-error-in-macos", title: "Corrija o erro de verificação do desenvolvedor no macOS", description: "Saiba como resolver o erro de verificação do desenvolvedor no MacOS ao executar comandos do ClickHouse, usando as Configurações do Sistema ou o terminal.", href: "/pt-BR/resources/support-center/knowledge-base/troubleshooting/fix-developer-verification-error-in-macos", category: "Solução de problemas e erros", tags: ["Errors and Exceptions"] }, { id: "data-import-export/s3-export-data-year-month-folders", title: "Como posso fazer gravações particionadas por ano e mês no S3?", description: "Saiba como gravar dados particionados por ano e mês em um bucket S3 no ClickHouse, usando uma estrutura de caminho personalizada para organizar os dados.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/s3-export-data-year-month-folders", category: "Importação e exportação de dados", tags: ["Data Export", "Native Clients and Interfaces"] }, { id: "data-import-export/kafka-clickhouse-json", title: "Como posso usar o novo tipo de dado JSON com o Kafka?", description: "Learn how to load JSON messages from Apache Kafka directly into a single JSON column in ClickHouse using the Kafka table engine and JSON data type.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/kafka-clickhouse-json", category: "Data import & export", tags: ["Data Formats", "Data Ingestion"] }, { id: "cloud-services/change-billing-email", title: "Como altero meu contato de faturamento no ClickHouse Cloud?", description: "Let's learn how to change your billing address in ClickHouse Cloud.", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/change-billing-email", category: "Cloud", tags: ["Managing Cloud"] }, { id: "general-faqs/how-do-i-contribute-code-to-clickhouse", title: "How do I contribute code to ClickHouse?", description: "ClickHouse is an open-source project developed on GitHub. As customary, contribution instructions are published in CONTRIBUTING file in the root of the source code repository.", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/how-do-i-contribute-code-to-clickhouse", category: "General & FAQs", tags: ["Community"] }, { id: "data-import-export/parquet-to-csv-json", title: "Como converter arquivos de Parquet para CSV ou JSON?", description: "Learn how to use ClickHouse's `clickhouse-local` tool to easily convert Parquet files to CSV or JSON formats.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/parquet-to-csv-json", category: "Data import & export", tags: ["Data Sources", "Data Formats"] }, { id: "data-import-export/mysql-to-parquet-csv-json", title: "Como exportar dados do MySQL para Parquet, CSV ou JSON usando o ClickHouse", description: "Learn how to use the `clickhouse-local` tool to export MySQL data into formats like Parquet, CSV, or JSON quickly and efficiently.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/mysql-to-parquet-csv-json", category: "Data import & export", tags: ["Data Formats", "Data Export"] }, { id: "data-import-export/postgresql-to-parquet-csv-json", title: "How do I export PostgreSQL data to Parquet, CSV or JSON?", description: "Learn how to export PostgreSQL data to Parquet, CSV, or JSON formats using `clickhouse-local` with various examples.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/postgresql-to-parquet-csv-json", category: "Data import & export", tags: ["Data Export", "Data Formats"] }, { id: "setup-installation/install-clickhouse-windows10", title: "Como instalar o ClickHouse no Windows 10?", description: "Learn how to install and test ClickHouse on Windows 10 using WSL 2. Includes setup, troubleshooting, and running a test environment.", href: "/pt-BR/resources/support-center/knowledge-base/setup-installation/install-clickhouse-windows10", category: "Setup & installation", tags: ["Tools and Utilities"] }, { id: "security/remove-default-user", title: "How do I remove the default user?", description: "Learn how to remove the default user when running ClickHouse Server.", href: "/pt-BR/resources/support-center/knowledge-base/security/remove-default-user", category: "Security & access control", tags: ["Server Admin"] }, { id: "cloud-services/ingest-failures-23-9-release", title: "Como resolver falhas de ingestão após o lançamento do ClickHouse 23.9?", description: "Learn how to resolve ingest failures caused by stricter grant checking introduced in ClickHouse 23.9 for tables using `async_inserts`. Update grants to fix errors.", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/ingest-failures-23-9-release", category: "Cloud", tags: ["Errors and Exceptions"] }, { id: "performance-optimization/insert-select-settings-tuning", title: "How do I solve TOO MANY PARTS error during an INSERT...SELECT?", description: "Resolve the TOO_MANY_PARTS error in ClickHouse during an `INSERT...SELECT` by tuning expert-level settings for larger blocks and increasing partition thresholds.", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/insert-select-settings-tuning", category: "Performance & optimization", tags: ["Settings", "Errors and Exceptions"] }, { id: "integrations/node-js-example", title: "How do I use NodeJS with @clickhouse/client", description: "Learn how to use @clickhouse/client in a Node.js application to interact with ClickHouse and perform queries.", href: "/pt-BR/resources/support-center/knowledge-base/integrations/node-js-example", category: "Integrations & client libraries", tags: ["Language Clients"] }, { id: "monitoring-debugging/view-number-of-active-mutations", title: "How do I view the number of active or queued mutations?", description: "Monitor the number of active or queued mutations in ClickHouse, especially when performing `ALTER` or `UPDATE` operations. Use the `system.mutations` table for tracking mutations.", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/view-number-of-active-mutations", category: "Monitoring & debugging", tags: ["System Tables"] }, { id: "data-management/read-consistency", title: "How to achieve data read consistency in ClickHouse?", description: "Learn how to ensure data consistency when reading from ClickHouse, whether you're connected to the same node or a random node.", href: "/pt-BR/resources/support-center/knowledge-base/data-management/read-consistency", category: "Data management", tags: ["Performance and Optimizations"] }, { id: "setup-installation/llvm-clang-up-to-date", title: "How to build LLVM and clang on Linux", description: "Commands to build LLVM and clang on Linux.", href: "/pt-BR/resources/support-center/knowledge-base/setup-installation/llvm-clang-up-to-date", category: "Setup & installation", tags: ["Community", "Tools and Utilities"] }, { id: "data-management/calculate-ratio-of-zero-sparse-serialization", title: "How to calculate the ratio of empty/zero values in every column in a table", description: "Learn how to calculate the ratio of empty or zero values in every column of a ClickHouse table to optimize sparse column serialization.", href: "/pt-BR/resources/support-center/knowledge-base/data-management/calculate-ratio-of-zero-sparse-serialization", category: "Data management", tags: ["Performance and Optimizations"] }, { id: "security/check-users-roles", title: "How to Check Users Assigned to Roles and Vice Versa", description: "Learn how to query ClickHouse's `system.role_grants` to find users assigned to roles and roles assigned to specific users.", href: "/pt-BR/resources/support-center/knowledge-base/security/check-users-roles", category: "Security & access control", tags: ["Server Admin", "System Tables", "Managing Cloud"] }, { id: "monitoring-debugging/which-processes-are-currently-running", title: "How to check what code is currently running on a server?", description: "ClickHouse provides introspection tools like `system.stack_trace` for inspecting what code is currently running on each server thread, helping with debugging and performance monitoring.", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/which-processes-are-currently-running", category: "Monitoring & debugging", tags: ["Server Admin"] }, { id: "cloud-services/how-to-check-my-clickhouse-cloud-sevice-state", title: "Como verificar o estado do seu serviço ClickHouse Cloud", description: "Learn how to use the ClickHouse Cloud API to check if your service is stopped, idle, or running without waking it up.", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/how-to-check-my-clickhouse-cloud-sevice-state", category: "Cloud", tags: ["Managing Cloud"] }, { id: "monitoring-debugging/collect-and-draw-traces", title: "Como coletar e desenhar um rastreamento de consulta", description: "Este guia mostra como coletar e visualizar rastreamentos de consultas no ClickHouse autogerenciado usando métodos nativos ou o Grafana. Isso é especialmente útil ao trabalhar com consultas complexas e quando é necessário entender a mecânica interna de execução além do que o EXPLAIN fornece.", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/collect-and-draw-traces", category: "Monitoring & debugging", tags: ["Tools and Utilities"] }, { id: "configuration-settings/configure-a-user-setting", title: "Como configurar definições para um usuário no ClickHouse", description: "Aprenda como definir configurações no ClickHouse para consultas individuais, sessões de cliente ou usuários específicos usando os comandos `SET` e `ALTER USER`.", href: "/pt-BR/resources/support-center/knowledge-base/configuration-settings/configure-a-user-setting", category: "Configuration & settings", tags: ["Settings"] }, { id: "materialized-views/projection-example", title: "Como confirmar se uma Projeção é usada pela consulta?", description: "Aprenda como verificar se uma projeção é usada em consultas do ClickHouse testando com dados de amostra e usando EXPLAIN para confirmar o uso da projeção.", href: "/pt-BR/resources/support-center/knowledge-base/materialized-views/projection-example", category: "Materialized views & projections", tags: ["Data Modelling"] }, { id: "cloud-services/how-to-connect-to-ch-cloud-using-ssh-keys", title: "Como conectar ao ClickHouse usando chaves SSH", description: "Como conectar ao ClickHouse e ao ClickHouse Cloud usando chaves SSH", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/how-to-connect-to-ch-cloud-using-ssh-keys", category: "Cloud", tags: ["Managing Cloud", "Security and Authentication"] }, { id: "data-management/dictionary-using-strings", title: "Como criar um dicionário do ClickHouse com chaves e valores do tipo string", description: "Aprenda como criar um dicionário do ClickHouse usando chaves e valores do tipo string de uma tabela MergeTree como fonte, com exemplos de configuração e uso.", href: "/pt-BR/resources/support-center/knowledge-base/data-management/dictionary-using-strings", category: "Data management", tags: ["Data Modelling"] }, { id: "tables-schema/how-to-create-table-to-query-multiple-remote-clusters", title: "Como criar uma tabela que pode consultar múltiplos clusters remotos", description: "Como criar uma tabela que pode consultar múltiplos clusters remotos", href: "/pt-BR/resources/support-center/knowledge-base/tables-schema/how-to-create-table-to-query-multiple-remote-clusters", category: "Tables & schema", tags: ["Deployments and Scaling"] }, { id: "setup-installation/enabling-ssl-with-lets-encrypt", title: "Como habilitar SSL com Let's Encrypt em um único servidor ClickHouse", description: "Aprenda como configurar SSL para um único servidor ClickHouse usando Let's Encrypt, incluindo emissão de certificado, configuração e validação.", href: "/pt-BR/resources/support-center/knowledge-base/setup-installation/enabling-ssl-with-lets-encrypt", category: "Setup & installation", tags: ["Security and Authentication"] }, { id: "data-import-export/file-export", title: "Como exportar dados do ClickHouse para um arquivo", description: "Aprenda vários métodos para exportar dados do ClickHouse, incluindo `INTO OUTFILE`, o mecanismo de tabela File e redirecionamento por linha de comando.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/file-export", category: "Data import & export", tags: ["Data Export"] }, { id: "queries-sql/how-to-filter-a-clickhouse-table-by-an-array-column", title: "Como filtrar uma tabela do ClickHouse por uma coluna de array?", description: "Artigo da base de conhecimento sobre como filtrar uma tabela do ClickHouse por uma coluna de array.", href: "/pt-BR/resources/support-center/knowledge-base/queries-sql/how-to-filter-a-clickhouse-table-by-an-array-column", category: "Queries & SQL", tags: ["Data Modelling", "Functions"] }, { id: "monitoring-debugging/generate-har-file", title: "Como gerar um arquivo HAR para suporte", description: "Um arquivo HAR (HTTP Archive) captura a atividade de rede no seu navegador. Ele pode ajudar nossa equipe de suporte a diagnosticar carregamentos lentos de página, requisições com falha ou outros problemas de rede.", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/generate-har-file", category: "Monitoring & debugging", tags: ["Tools and Utilities"] }, { id: "materialized-views/how-to-display-queries-using-mv", title: "Como identificar consultas que usam Visões Materializadas no ClickHouse", description: "Aprenda como consultar os logs do ClickHouse para identificar todas as consultas que envolvem Visões Materializadas dentro de um intervalo de tempo especificado.", href: "/pt-BR/resources/support-center/knowledge-base/materialized-views/how-to-display-queries-using-mv", category: "Materialized views & projections", tags: ["System Tables"] }, { id: "performance-optimization/find-expensive-queries", title: "Como identificar as consultas mais custosas no ClickHouse", description: "Aprenda como usar a tabela `query_log` no ClickHouse para identificar as consultas com maior consumo de memória e CPU em nós distribuídos.", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/find-expensive-queries", category: "Performance & optimization", tags: ["Performance and Optimizations"] }, { id: "configuration-settings/ignoring-incorrect-settings", title: "Como ignorar configurações incorretas no ClickHouse", description: "Aprenda como usar a opção `skip_check_for_incorrect_settings` para permitir que o ClickHouse inicie mesmo quando configurações de nível de usuário estão especificadas incorretamente.", href: "/pt-BR/resources/support-center/knowledge-base/configuration-settings/ignoring-incorrect-settings", category: "Configuration & settings", tags: ["Settings"] }, { id: "data-import-export/json-import", title: "Como importar JSON para o ClickHouse?", description: "Esta página mostra como importar JSON para o ClickHouse", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/json-import", category: "Data import & export", tags: [] }, { id: "setup-installation/how-to-increase-thread-pool-size", title: "Como aumentar o número de threads no ClickHouse", description: "Aprenda como configurar o pool de threads global no ClickHouse ajustando configurações como `max_thread_pool_size`, `thread_pool_queue_size` e `max_thread_pool_free_size`.", href: "/pt-BR/resources/support-center/knowledge-base/setup-installation/how-to-increase-thread-pool-size", category: "Setup & installation", tags: ["Performance and Optimizations"] }, { id: "data-import-export/kafka-to-clickhouse-setup", title: "Como ingerir dados do Kafka no ClickHouse", description: "Aprenda como ingerir dados de um tópico Kafka no ClickHouse usando o mecanismo de tabela Kafka, visões materializadas e tabelas MergeTree.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/kafka-to-clickhouse-setup", category: "Data import & export", tags: ["Data Ingestion"] }, { id: "data-import-export/ingest-parquet-files-in-s3", title: "Como ingerir arquivos Parquet de um bucket S3", description: "Aprenda os fundamentos do uso do mecanismo de tabela S3 no ClickHouse para ingerir e consultar arquivos Parquet de um bucket S3, incluindo configuração, permissões de acesso e exemplos de importação de dados.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/ingest-parquet-files-in-s3", category: "Data import & export", tags: ["Data Ingestion"] }, { id: "queries-sql/how-to-insert-all-rows-from-another-table", title: "Como inserir todas as linhas de uma tabela em outra?", description: "Artigo da base de conhecimento sobre como inserir todas as linhas de uma tabela em outra.", href: "/pt-BR/resources/support-center/knowledge-base/queries-sql/how-to-insert-all-rows-from-another-table", category: "Queries & SQL", tags: ["Data Ingestion"] }, { id: "performance-optimization/check-query-processing-time-only", title: "Como medir o tempo de processamento de consultas sem retornar linhas", description: "Aprenda como usar a opção `FORMAT Null` no ClickHouse para medir o tempo de processamento de consultas sem retornar nenhuma linha ao cliente.", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/check-query-processing-time-only", category: "Performance & optimization", tags: ["Performance and Optimizations"] }, { id: "cloud-services/opt-out-core-dump-collection", title: "Como desativar a coleta de relatórios de falhas", description: "Este artigo mostra como você pode desativar a coleta de relatórios de falhas no ClickHouse Cloud", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/opt-out-core-dump-collection", category: "Cloud", tags: ["Managing Cloud"] }, { id: "monitoring-debugging/outputSendLogsLevelTracesToFile", title: "How to output send logs level traces to file using the clickhouse-client", description: "How to output send logs level traces to file using the clickhouse-client", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/outputSendLogsLevelTracesToFile", category: "Monitoring & debugging", tags: ["Data Export"] }, { id: "tables-schema/recreate-table-across-terminals", title: "How to quickly recreate a small table across different terminals", description: "Learn how to quickly recreate a small table and its data across different terminals using copy/paste for development environments.", href: "/pt-BR/resources/support-center/knowledge-base/tables-schema/recreate-table-across-terminals", category: "Tables & schema", tags: ["Tools and Utilities"] }, { id: "troubleshooting/recovering-from-corrupt-keeper-snapshot", title: "Como recuperar de um snapshot corrompido do Keeper", description: "Artigo que descreve como recuperar de um snapshot corrompido do Keeper: como o problema se manifesta, o que é um snapshot e onde encontrá-lo, além de possíveis estratégias de recuperação.", href: "/pt-BR/resources/support-center/knowledge-base/troubleshooting/recovering-from-corrupt-keeper-snapshot", category: "Troubleshooting & errors", tags: ["Troubleshooting"] }, { id: "troubleshooting/restore-replica-after-storage-failure", title: "Como restaurar uma réplica após falha de armazenamento", description: "Este artigo explica como recuperar dados ao usar tabelas replicadas em bancos de dados atômicos no ClickHouse quando os discos/armazenamento de uma das réplicas são perdidos ou corrompidos.", href: "/pt-BR/resources/support-center/knowledge-base/troubleshooting/restore-replica-after-storage-failure", category: "Troubleshooting & errors", tags: ["Deployments and Scaling"] }, { id: "integrations/how-to-set-up-ch-on-docker-odbc-connect-mssql", title: "How to set up ClickHouse on Docker with ODBC to connect to a Microsoft SQL Server (MSSQL) database", description: "How to set up ClickHouse on Docker with ODBC to connect to a Microsoft SQL Server (MSSQL) database", href: "/pt-BR/resources/support-center/knowledge-base/integrations/how-to-set-up-ch-on-docker-odbc-connect-mssql", category: "Integrations & client libraries", tags: ["Native Clients and Interfaces"] }, { id: "queries-sql/using-array-join-to-extract-and-query-attributes", title: "How to use array join to extract and query varying attributes using map keys and values", description: "Simple example to illustrate how to use array join to extract and query varying attributes using map keys and values", href: "/pt-BR/resources/support-center/knowledge-base/queries-sql/using-array-join-to-extract-and-query-attributes", category: "Queries & SQL", tags: ["Functions"] }, { id: "materialized-views/how-to-use-parametrised-views", title: "How to Use Parameterized Views in ClickHouse", description: "Learn how to create and query parameterized views in ClickHouse for dynamic data slicing based on query-time parameters.", href: "/pt-BR/resources/support-center/knowledge-base/materialized-views/how-to-use-parametrised-views", category: "Materialized views & projections", tags: ["Use Cases"] }, { id: "tables-schema/exchangeStatementToSwitchTables", title: "How to use the exchange command to switch tables", description: "How to use the exchange command to switch tables", href: "/pt-BR/resources/support-center/knowledge-base/tables-schema/exchangeStatementToSwitchTables", category: "Tables & schema", tags: ["Managing Data"] }, { id: "queries-sql/compare-resultsets", title: "How to Validate if Two Queries Return the Same Result-sets", description: "Learn how to validate that two ClickHouse queries produce identical result-sets using hash functions and comparison techniques.", href: "/pt-BR/resources/support-center/knowledge-base/queries-sql/compare-resultsets", category: "Queries & SQL", tags: ["Functions"] }, { id: "monitoring-debugging/check-query-cache-in-use", title: "How to verify query cache usage in ClickHouse", description: "Learn how to check if query cache is being utilized in ClickHouse using `clickhouse-client` trace logs or SQL commands.", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/check-query-cache-in-use", category: "Monitoring & debugging", tags: ["Performance and Optimizations"] }, { id: "cloud-services/unable-to-access-cloud-service", title: "I am unable to access a ClickHouse Cloud service", description: "Troubleshooting access issues with ClickHouse Cloud services, including IP Access List configuration", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/unable-to-access-cloud-service", category: "Cloud", tags: ["Errors and Exceptions", "Managing Cloud"] }, { id: "performance-optimization/finding-expensive-queries-by-memory-usage", title: "Identifying Expensive Queries by Memory Usage in ClickHouse", description: "Learn how to use the `system.query_log` table to find the most memory-intensive queries in ClickHouse, with examples for clustered and standalone setups.", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/finding-expensive-queries-by-memory-usage", category: "Performance & optimization", tags: ["Performance and Optimizations"] }, { id: "data-import-export/importing-and-working-with-json-array-objects", title: "Importing and Querying JSON Array Objects in ClickHouse", description: "Learn how to import JSON array objects into ClickHouse and perform advanced queries using JSON functions and array operations.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/importing-and-working-with-json-array-objects", category: "Data import & export", tags: ["Data Formats"] }, { id: "data-import-export/importing-geojason-with-nested-object-array", title: "Importing GeoJSON with a deeply nested object array", description: "Learn how to import GeoJSON files with deeply nested object arrays into ClickHouse and query the nested feature data.", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/importing-geojason-with-nested-object-array", category: "Data import & export", tags: ["Data Formats"] }, { id: "performance-optimization/improve-map-performance", title: "Improving Map lookup performance in ClickHouse", description: "Learn how to optimize Map column lookups in ClickHouse for better query performance by materializing specific keys as standalone columns.", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/improve-map-performance", category: "Performance & optimization", tags: ["Performance and Optimizations"] }, { id: "tables-schema/delete-old-data", title: "Is it possible to delete old records from a ClickHouse table?", description: "This page answers the question of whether it is possible to delete old records from a ClickHouse table", href: "/pt-BR/resources/support-center/knowledge-base/tables-schema/delete-old-data", category: "Tables & schema", tags: [] }, { id: "general-faqs/separate-storage", title: "Is it possible to deploy ClickHouse with separate storage and compute?", description: "This page provides an answer as to whether it is possible to deploy ClickHouse with separate storage and compute", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/separate-storage", category: "General & FAQs", tags: [] }, { id: "data-import-export/json-extract-example", title: "JSON Extract example", description: "A short example on how to extract base types from JSON", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/json-extract-example", category: "Data import & export", tags: ["Data Formats"] }, { id: "queries-sql/calculate-pi-using-sql", title: "Let's calculate pi using SQL", description: "It's Pi Day! Let's calculate pi using ClickHouse SQL", href: "/pt-BR/resources/support-center/knowledge-base/queries-sql/calculate-pi-using-sql", category: "Queries & SQL", tags: ["Use Cases"] }, { id: "cloud-services/clickhouse-cloud-api-usage", title: "Managing ClickHouse Cloud Service with API and cURL", description: "Learn how to start, stop, and resume a ClickHouse Cloud service using API endpoints and cURL commands.", href: "/pt-BR/resources/support-center/knowledge-base/cloud-services/clickhouse-cloud-api-usage", category: "Cloud", tags: ["Managing Cloud", "Tools and Utilities"] }, { id: "monitoring-debugging/mapping-of-system-metrics-to-prometheus-metrics", title: "Mapping of metrics used in system.dashboards to Prometheus metrics in `system.custom_metrics`", description: "Mapping of metrics used in system.dashboards to Prometheus metrics in system.custom_metrics", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/mapping-of-system-metrics-to-prometheus-metrics", category: "Monitoring & debugging", tags: ["System Tables"] }, { id: "security/windows-active-directory-to-ch-roles", title: "Mapping Windows Active Directory security groups to ClickHouse roles", description: "Example of mapping Windows Active Directory security groups to ClickHouse roles", href: "/pt-BR/resources/support-center/knowledge-base/security/windows-active-directory-to-ch-roles", category: "Security & access control", tags: ["Tools and Utilities"] }, { id: "performance-optimization/memory-limit-exceeded-for-query", title: "Memory limit exceeded for query", description: "Troubleshooting memory limit exceeded errors for a query", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/memory-limit-exceeded-for-query", category: "Performance & optimization", tags: ["Errors and Exceptions"] }, { id: "integrations/ODBC-authentication-failed-error-using-PowerBI-CH-connector", title: "ODBC authentication failed error when using the Power BI ClickHouse connector", description: "ODBC authentication failed error when using the Power BI ClickHouse connector", href: "/pt-BR/resources/support-center/knowledge-base/integrations/ODBC-authentication-failed-error-using-PowerBI-CH-connector", category: "Integrations & client libraries", tags: ["Native Clients and Interfaces", "Errors and Exceptions"] }, { id: "monitoring-debugging/profiling-clickhouse-with-llvm-xray", title: "Profiling ClickHouse with LLVM's XRay", description: "Learn how to profile ClickHouse using LLVM's XRay instrumentation profiler, visualize traces, and analyze performance.", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/profiling-clickhouse-with-llvm-xray", category: "Monitoring & debugging", tags: ["Performance and Optimizations", "Tools and Utilities"] }, { id: "integrations/python-http-requests", title: "Python quick example using HTTP requests module", description: "An example using Python and requests module to write and read to ClickHouse", href: "/pt-BR/resources/support-center/knowledge-base/integrations/python-http-requests", category: "Integrations & client libraries", tags: ["Native Clients and Interfaces"] }, { id: "configuration-settings/maximum-number-of-tables-and-databases", title: "Recommended Maximum Databases, Tables, Partitions, and Parts in ClickHouse", description: "Learn the recommended maximum limits for databases, tables, partitions, and parts in a ClickHouse cluster to ensure optimal performance.", href: "/pt-BR/resources/support-center/knowledge-base/configuration-settings/maximum-number-of-tables-and-databases", category: "Configuration & settings", tags: ["Performance and Optimizations", "Deployments and Scaling"] }, { id: "data-import-export/cannot-append-data-to-parquet-format", title: 'Resolving "Cannot Append Data in Parquet Format" error in ClickHouse', description: 'Are you getting the error "Cannot append data in format Parquet to file" error in ClickHouse? Let\'s take a look at how to resolve it.', href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/cannot-append-data-to-parquet-format", category: "Data import & export", tags: ["Errors and Exceptions", "Data Formats"] }, { id: "troubleshooting/exception-too-many-parts", title: 'Resolving "Too Many Parts" error in ClickHouse', description: 'Learn how to address the "Too many parts" error in ClickHouse by optimizing insert rates, configuring MergeTree settings, and managing partitions effectively.', href: "/pt-BR/resources/support-center/knowledge-base/troubleshooting/exception-too-many-parts", category: "Troubleshooting & errors", tags: ["Errors and Exceptions"] }, { id: "troubleshooting/certificate-verify-failed-error", title: "Resolving SSL Certificate Verify Error in ClickHouse", description: "Learn how to resolve the SSL Exception CERTIFICATE_VERIFY_FAILED error.", href: "/pt-BR/resources/support-center/knowledge-base/troubleshooting/certificate-verify-failed-error", category: "Troubleshooting & errors", tags: ["Security and Authentication", "Errors and Exceptions"] }, { id: "troubleshooting/connection-timeout-remote-remoteSecure", title: "Resolving Timeout Errors with `remote` and `remoteSecure` Table Functions", description: "Learn how to fix timeout errors when using `remote` or `remoteSecure` table functions in ClickHouse by adjusting the connection timeout settings.", href: "/pt-BR/resources/support-center/knowledge-base/troubleshooting/connection-timeout-remote-remoteSecure", category: "Troubleshooting & errors", tags: ["Errors and Exceptions"] }, { id: "tables-schema/runbook-json", title: "Runbook: JSON schema", description: "Escolha a abordagem de schema correta para dados JSON no ClickHouse — colunas tipadas, híbrida, JSON nativo ou armazenamento em String", href: "/pt-BR/resources/support-center/knowledge-base/tables-schema/runbook-json", category: "Tables & schema", tags: ["Runbooks", "Data Modelling"] }, { id: "tables-schema/search-across-node-for-tables-with-a-wildcard", title: "Searching across nodes for tables with a wildcard", description: "Learn how to search across nodes for tables with a wildcard.", href: "/pt-BR/resources/support-center/knowledge-base/tables-schema/search-across-node-for-tables-with-a-wildcard", category: "Tables & schema", tags: ["Deployments and Scaling"] }, { id: "performance-optimization/query-max-execution-time", title: "Setting a limit on query execution time", description: "How to enforce limit on max query execution time", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/query-max-execution-time", category: "Performance & optimization", tags: ["Managing Cloud", "Settings"] }, { id: "data-import-export/json-simple-example", title: "Simple example flow for extracting JSON data using a landing table with a Materialized View", description: "Simple example flow for extracting JSON data using a landing table with a Materialized View", href: "/pt-BR/resources/support-center/knowledge-base/data-import-export/json-simple-example", category: "Data import & export", tags: ["Data Formats"] }, { id: "performance-optimization/async-vs-optimize-read-in-order", title: "Synchronous data reading", description: "The new setting `allow_asynchronous_read_from_io_pool_for_merge_tree` allows the number of reading threads (streams) to be higher than the number of threads in the rest of the query execution pipeline.", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/async-vs-optimize-read-in-order", category: "Performance & optimization", tags: ["Settings", "Performance and Optimizations"] }, { id: "integrations/terraform-example", title: "Terraform example on how to use Cloud API", description: "This covers an example of how you can use terraform to create/delete clusters using the API", href: "/pt-BR/resources/support-center/knowledge-base/integrations/terraform-example", category: "Integrations & client libraries", tags: ["Native Clients and Interfaces"] }, { id: "performance-optimization/tips-tricks-optimizing-basic-data-types-in-clickhouse", title: "Tips and tricks on optimizing basic data types in ClickHouse", description: "Tips and tricks on optimizing basic data types in ClickHouse", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/tips-tricks-optimizing-basic-data-types-in-clickhouse", category: "Performance & optimization", tags: ["Performance and Optimizations"] }, { id: "data-management/understanding-part-types-and-storage-formats", title: "Entendendo tipos de part e formatos de armazenamento", description: "Aprenda sobre os diferentes tipos de part (Wide vs Compact) e formatos de armazenamento (Full vs Packed) no ClickHouse, e como eles afetam o desempenho.", href: "/pt-BR/resources/support-center/knowledge-base/data-management/understanding-part-types-and-storage-formats", category: "Data management", tags: ["Core Data Concepts"] }, { id: "queries-sql/useful-queries-for-troubleshooting", title: "Useful queries for troubleshooting", description: "A collection of handy queries for troubleshooting ClickHouse, including monitoring table sizes, long-running queries, and errors.", href: "/pt-BR/resources/support-center/knowledge-base/queries-sql/useful-queries-for-troubleshooting", category: "Queries & SQL", tags: ["Settings"] }, { id: "general-faqs/use-clickhouse-for-log-analytics", title: "Using ClickHouse for log analytics", description: "ClickHouse is popular for logs and metrics analysis because of the real-time analytics capabilities provided. Ready to find out more?", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/use-clickhouse-for-log-analytics", category: "General & FAQs", tags: ["Use Cases"] }, { id: "queries-sql/filtered-aggregates", title: "Using filtered aggregates in ClickHouse", description: "Learn how to use filtered aggregates in ClickHouse with `-If` and `-Distinct` aggregate combinators to simplify query syntax and enhance analytics.", href: "/pt-BR/resources/support-center/knowledge-base/queries-sql/filtered-aggregates", category: "Queries & SQL", tags: ["Functions"] }, { id: "general-faqs/dependencies", title: "What are the 3rd-party dependencies for running ClickHouse?", description: "ClickHouse is self-contained and has no runtime dependencies", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/dependencies", category: "General & FAQs", tags: [] }, { id: "general-faqs/dbms-naming", title: 'What does "ClickHouse" mean?', description: 'Learn about What does "ClickHouse" mean?', href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/dbms-naming", category: "General & FAQs", tags: [] }, { id: "general-faqs/ne-tormozit", title: "What does “не тормозит” mean?", description: 'This page explains what "Не тормозит" means', href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/ne-tormozit", category: "General & FAQs", tags: [] }, { id: "integrations/oracle-odbc", title: "What if I have a problem with encodings when using Oracle via ODBC?", description: "This page provides guidance on what to do if you have a problem with encodings when using Oracle via ODBC", href: "/pt-BR/resources/support-center/knowledge-base/integrations/oracle-odbc", category: "Integrations & client libraries", tags: [] }, { id: "general-faqs/columnar-database", title: "What is a columnar database?", description: "A columnar database stores the data of each column independently. This allows reading data from disk only for those columns that are used in any given query.", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/columnar-database", category: "General & FAQs", tags: ["Core Data Concepts"] }, { id: "general-faqs/olap", title: "What is OLAP?", description: "An explainer on what Online Analytical Processing is", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/olap", category: "General & FAQs", tags: [] }, { id: "performance-optimization/optimize-final-vs-final", title: "What is the difference between OPTIMIZE FINAL and FINAL?", description: "Discusses the differences between OPTIMIZE FINAL and FINAL, and when to use and avoid them.", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/optimize-final-vs-final", category: "Performance & optimization", tags: ["Core Data Concepts"] }, { id: "general-faqs/sql", title: "What SQL syntax does ClickHouse support?", description: "ClickHouse supports 100% of SQL syntax", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/sql", category: "General & FAQs", tags: [] }, { id: "data-management/when-is-ttl-applied", title: "When are TTL rules applied, and do we have control over it?", description: "TTL rules in ClickHouse are eventually applied, and you can control when they are executed using the `merge_with_ttl_timeout` setting. Learn how to force TTL application and manage background threads for TTL execution.", href: "/pt-BR/resources/support-center/knowledge-base/data-management/when-is-ttl-applied", category: "Data management", tags: ["Core Data Concepts"] }, { id: "setup-installation/production", title: "Which ClickHouse version to use in production?", description: "This page provides guidance on which ClickHouse version to use in production", href: "/pt-BR/resources/support-center/knowledge-base/setup-installation/production", category: "Setup & installation", tags: [] }, { id: "general-faqs/who-is-using-clickhouse", title: "Who is using ClickHouse?", description: "Describes who is using ClickHouse", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/who-is-using-clickhouse", category: "General & FAQs", tags: [] }, { id: "data-management/dictionaries-consistent-state", title: "Why can't I see my data in a dictionary in ClickHouse Cloud?", description: "There is an issue where data in dictionaries may not be visible immediately after creation.", href: "/pt-BR/resources/support-center/knowledge-base/data-management/dictionaries-consistent-state", category: "Data management", tags: ["Managing Cloud", "Data Modelling"] }, { id: "general-faqs/why-recommend-clickhouse-keeper-over-zookeeper", title: "Why is ClickHouse Keeper recommended over ZooKeeper?", description: "ClickHouse Keeper improves upon ZooKeeper with features like reduced disk space usage, faster recovery, and less memory consumption, offering better performance for ClickHouse clusters.", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/why-recommend-clickhouse-keeper-over-zookeeper", category: "General & FAQs", tags: ["Core Data Concepts"] }, { id: "monitoring-debugging/why-default-logging-verbose", title: "Why is ClickHouse logging so verbose by default?", description: "Learn why the ClickHouse developers chose to set a verbose logging level by default.", href: "/pt-BR/resources/support-center/knowledge-base/monitoring-debugging/why-default-logging-verbose", category: "Monitoring & debugging", tags: ["Settings"] }, { id: "performance-optimization/why-is-my-primary-key-not-used", title: "Why is my primary key not used? How can I check?", description: "Covers a common reason why a primary key is not used in ordering and how we can confirm", href: "/pt-BR/resources/support-center/knowledge-base/performance-optimization/why-is-my-primary-key-not-used", category: "Performance & optimization", tags: ["Performance and Optimizations"] }, { id: "general-faqs/mapreduce", title: "Why not use something like MapReduce?", description: "This page explains why you would use ClickHouse over MapReduce", href: "/pt-BR/resources/support-center/knowledge-base/general-faqs/mapreduce", category: "General & FAQs", tags: [] }] }; export const KBExplorer = ({index, featured = []}) => { const featuredIds = featured.map(f => f.id); const assetBase = typeof window !== "undefined" && window.location.pathname.startsWith("/docs") ? "/docs" : ""; const withBase = p => p && p.startsWith("/") ? assetBase + p : p; const data = index || ({ categories: [], tags: [], articles: [] }); const readStoredList = (key, fallback) => { if (typeof window === "undefined") return fallback; try { const raw = localStorage.getItem(key); if (!raw) return fallback; const parsed = JSON.parse(raw); return Array.isArray(parsed) ? parsed : fallback; } catch { return fallback; } }; const [searchTerm, setSearchTerm] = useState(() => { if (typeof window !== "undefined") { return localStorage.getItem("kb-search") || ""; } return ""; }); const [selectedCategories, setSelectedCategories] = useState(() => readStoredList("kb-categories", ["All"])); const [currentPage, setCurrentPage] = useState(1); const itemsPerPage = 6; const [categoriesDropdownOpen, setCategoriesDropdownOpen] = useState(true); const [showFilters, setShowFilters] = useState(() => { if (typeof window !== "undefined") { return localStorage.getItem("kb-show-filters") !== "false"; } return true; }); const [isDesktop, setIsDesktop] = useState(true); useEffect(() => { if (typeof window === "undefined" || !window.matchMedia) return; const mq = window.matchMedia("(min-width: 1024px)"); const update = () => setIsDesktop(mq.matches); update(); mq.addEventListener("change", update); return () => mq.removeEventListener("change", update); }, []); useEffect(() => { if (typeof window !== "undefined") localStorage.setItem("kb-search", searchTerm); }, [searchTerm]); useEffect(() => { if (typeof window !== "undefined") localStorage.setItem("kb-categories", JSON.stringify(selectedCategories)); }, [selectedCategories]); useEffect(() => { if (typeof window !== "undefined") localStorage.setItem("kb-show-filters", String(showFilters)); }, [showFilters]); useEffect(() => { setCurrentPage(1); }, [searchTerm, selectedCategories]); const makeToggle = setter => value => { setter(prev => { if (value === "All") return ["All"]; const withoutAll = prev.filter(v => v !== "All"); const result = withoutAll.includes(value) ? withoutAll.filter(v => v !== value) : [...withoutAll, value]; return result.length === 0 ? ["All"] : result; }); }; const toggleCategory = makeToggle(setSelectedCategories); const categoryOptions = ["All", ...data.categories]; const resetFilters = () => { setSearchTerm(""); setSelectedCategories(["All"]); }; const hasActiveFilters = searchTerm !== "" || !selectedCategories.includes("All"); const filteredArticles = useMemo(() => { const term = searchTerm.toLowerCase(); return data.articles.filter(article => { if (featuredIds.includes(article.id)) return false; const matchesSearch = term === "" || article.title.toLowerCase().includes(term) || (article.description || "").toLowerCase().includes(term) || (article.tags || []).some(t => t.toLowerCase().includes(term)); const matchesCategory = selectedCategories.includes("All") || selectedCategories.includes(article.category); return matchesSearch && matchesCategory; }); }, [data.articles, searchTerm, selectedCategories, featuredIds]); const handleCardClick = (e, href) => { if (e.defaultPrevented) return; if (e.metaKey || e.ctrlKey || e.shiftKey || e.altKey || e.button !== 0) return; e.preventDefault(); window.location.assign(withBase(href)); }; const featuredArticles = featured.map(f => { const article = data.articles.find(a => a.id === f.id); return { id: f.id, href: article && article.href || `/pt-BR/resources/support-center/knowledge-base/${f.id}`, title: article && article.title || "" }; }).filter(f => f.title); const Expandable = ({label, options, selectedOptions, onToggle, isOpen, setIsOpen}) => { const activeCount = selectedOptions.filter(o => o !== "All").length; const displayLabel = activeCount > 0 ? `${label} (${activeCount})` : label; return
{isOpen &&
{options.map(option => )}
}
; }; return <>
{} {featuredArticles.length > 0 &&

Artigos em destaque

{featuredArticles.map(article => handleCardClick(e, article.href)} className="group block rounded-xl overflow-hidden border border-gray-200 dark:border-white/10 transition-all hover:border-black dark:hover:border-[#FAFF69] hover:shadow-md"> {}
{article.title}
Popular
)}
} {}
{}
{}
{}

Explorar artigos

{filteredArticles.length > 0 ? <> {} {(() => { const totalPages = Math.ceil(filteredArticles.length / itemsPerPage); if (totalPages <= 1) return null; const hasPrev = currentPage > 1; const hasNext = currentPage < totalPages; return
Página {currentPage} / {totalPages}
; })()} :

Nenhum artigo encontrado para os critérios informados.

Tente ajustar os filtros ou o termo de busca.

}
; }; export const featuredArticles = [{ id: 'cloud-services/aws-privatelink-setup-for-clickpipes' }, { id: 'tables-schema/schema-migration-tools' }, { id: 'data-management/read-consistency' }];
Imagem decorativa de fundo. Imagem decorativa de fundo.