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Posts by Mark Needham

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Engineering

Pipelined SQL in ClickHouse 26.8

Mark Needham · Sep 4, 2026

replacing hdb clickhouse historical ticker data

Engineering

Replacing the HDB: ClickHouse for historical ticker data

Mark Needham · Jul 15, 2026

Engineering

The end-to-end cost-performance of real-time analytics: Snowflake vs. ClickHouse Cloud

Tom Schreiber, Mark Needham and Lionel Palacin · Jun 23, 2026

Engineering

TPC-H for less than a cent: ClickHouse Cloud vs. Snowflake, Databricks, BigQuery, and Redshift

Tom Schreiber, Mark Needham, Alexander Gololobov, Andriy Yakovlev and Robert Schulze · Jun 2, 2026

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Engineering

Native random sampling in ClickHouse

Mark Needham · May 22, 2026

Engineering

Comparing ClickHouse versions with clickhousectl

Mark Needham · Apr 29, 2026

Engineering

Index-based pruning in ClickHouse

Mark Needham · Apr 15, 2026

Engineering

Querying DateTimes in ClickHouse

Mark Needham · Mar 20, 2026

Engineering

5 ways to parse Dates and DateTimes in ClickHouse

Mark Needham · Mar 12, 2026

Engineering

Using ClickHouse as a webhook endpoint with HMAC verification

Mark Needham · Mar 3, 2026

Engineering

New functions you might have missed in 2025

Mark Needham · Dec 23, 2025

Engineering

Tracing OpenAI agents with ClickStack

Mark Needham · Oct 27, 2025

Engineering

Analyzing Wimbledon tennis data with chDB

Mark Needham · Jul 3, 2025

Engineering

Integrating with ClickHouse MCP

Al Brown and Mark Needham · Jun 5, 2025

Engineering

Visualizing BlueSky data with Evidence.dev

Mark Needham · Jan 15, 2025

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