Cluster Key

This page provides a comprehensive overview of cluster key operations in Databend, organized by functionality for easy reference.

Cluster Key Management

Command	Description
SET CLUSTER KEY	Creates or replaces a cluster key for a table
ALTER CLUSTER KEY	Modifies an existing cluster key
DROP CLUSTER KEY	Removes a cluster key from a table
RECLUSTER TABLE	Reorganizes table data based on the cluster key

note

Cluster keys in Databend are used to physically organize data in tables to improve query performance by co-locating related data.