Documentation Index
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首页

SQL 参考文档

语法

数据类型

数据类型列表

引擎

概览

函数

函数概览

格式

查看所有格式...
BSONEachRow
Buffers
CapnProto
DWARF
Form
GeoJSON
Hash
HiveText
Markdown
MsgPack
MySQLDump
MySQLWire
Native
Npy
Null
ODBCDriver2
ORC
One
PNG
PostgreSQLWire
Prometheus
RawBLOB
Regexp
SQLInsert
SQLite
Values
Vertical
XML

设置

概览
Beta 和 Experimental 功能

系统表

概览
system.aggregate_function_combinators
system.aggregated_zookeeper_log
system.asynchronous_insert_log
system.asynchronous_inserts
system.asynchronous_loader
system.asynchronous_metric_log
system.asynchronous_metrics
system.azure_queue_log
system.azure_queue_metadata
system.azure_queue_metadata_cache
system.azure_queue_settings
system.backup_log
system.backups
system.background_schedule_pool
system.background_schedule_pool_log
system.blob_storage_log
system.build_options
system.certificates
system.clusters
system.codecs
system.collations
system.columns
system.columns_cache
system.completions
system.constraints
system.contributors
system.crash_log
system.current_roles
system.dashboards
system.data_skipping_index_types
system.data_skipping_indices
system.data_type_families
system.database_engines
system.database_replicas
system.databases
system.dead_letter_queue
system.delta_lake_metadata_log
system.delta_lake_metadata_log
system.detached_parts
system.detached_tables
system.dictionaries
system.dictionary_layouts
system.dictionary_sources
system.dimensional_metrics
system.disks
system.disk_types
system.distributed_ddl_queue
system.distribution_queue
system.dns_cache
system.documentation
system.dropped_tables
system.dropped_tables_parts
system.enabled_roles
system.error_log
system.errors
system.events
system.fail_points
system.formats
system.filesystem_cache_log
system.filesystem_cache_settings
system.filesystem_cache
system.filesystem_read_prefetches_log
system.functions
system.grants
system.graphite_retentions
system.handlers
histogram_metric_log
system.histogram_metrics
hypothetical_indexes
hypothetical_projections
system.iceberg_files
system.iceberg_history
system.iceberg_metadata_log
INFORMATION_SCHEMA
system.instrumentation
system.jemalloc_arena_bins
system.jemalloc_bins
system.jemalloc_profile_text
system.jemalloc_sampled_allocations
system.jemalloc_stats
system.kafka_consumers
system.keeper_changelogs
system.keeper_cluster
system.keeper_snapshots
keeper_storage
system.keywords
system.licenses
system.macros
system.masking_policies
system.merge_tree_settings
system.merges
system.metric_log
system.metrics
models
system.moves
system.mutations
system.named_collections
system.numbers
system.numbers_mt
system.one
system.opentelemetry_span_log
system.part_log
system.part_moves_between_shards
system.parts
system.parts_columns
system.predicate_statistics_log
system.primes
system.privileges
system.processes
system.processors_profile_log
system.projection_parts
system.projection_parts_columns
system.projections
system.query_cache
system.query_condition_cache
system.query_log
system.query_metric_log
system.query_thread_log
system.query_views_log
system.quota_limits
system.quota_usage
system.quotas
system.quotas_usage
system.remote_data_paths
system.replicas
system.replicated_fetches
system.replicated_merge_tree_settings
system.replication_queue
system.resources
system.rocksdb
system.role_grants
system.roles
system.row_policies
system.s3_queue_metadata
system.s3_queue_settings
system.s3queue_log
system.s3queue_metadata_cache
system.scheduler
system.schema_inference_cache
system.server_settings
system.session_log
system.session_query_ids
system.settings
system.settings_changes
system.settings_profile_elements
system.settings_profiles
system.stack_trace
system.statements
system.stemmers
system.storage_policies
system.symbols
system.warnings
system.table_engines
system.table_functions
system.tables
system.text_log
system.time_zones
system.tokenizers
system.trace_log
system.transactions
system.transactions_info_log
system.unicode
system.user_defined_functions
system.user_directories
system.user_processes
user_query_log
system.users
system.view_refreshes
system.warnings
system.workloads
system.zeros
system.zeros_mt
system.zookeeper
system.zookeeper_info
system.zookeeper_connection
system.zookeeper_connection_log
system.zookeeper_log
system.zookeeper_watches

数据湖

概览

首页

ClickHouse Documentation home page

首页

数据类型
特殊数据类型

Expression

Expression 特殊数据类型文档

Expression 用于表示高阶函数中的 lambda 表达式。

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建议编辑提出问题

Interval 特殊数据类型的文档