Core Concepts

In this section of the documentation, you will learn some of the core concepts of how ClickHouse works.

Page	Description
Table parts	Learn what table parts are in ClickHouse.
Table partitions	Learn what table partitions are and what they are used for.
Primary indexes	A deep dive into ClickHouse indexing including how it differs from other DB systems, how ClickHouse builds and uses a table's spare primary index and what some of the best practices are for indexing in ClickHouse.