База знаний

How to create a table that can query multiple remote clusters

Tips and tricks on optimizing basic data types in ClickHouse

Simple example to illustrate how to use array join to extract and query varying attributes using map keys and values

How to set up ClickHouse on Docker with ODBC to connect to a Microsoft SQL Server (MSSQL) database

Simple example flow for extracting JSON data using a landing table with a Materialized View

Example of mapping Windows Active Directory security groups to ClickHouse roles

Learn how to ingest data from a Kafka topic into ClickHouse using the Kafka table engine, materialized views, and MergeTree tables.

Commands to build LLVM and clang on Linux.

Learn how to search across nodes for tables with a wildcard.

There is an issue where data in dictionaries may not be visible immediately after creation.