Cassandra Documentation


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Storage-Attached Indexing (SAI) Overview

Storage-Attached Indexing (SAI) lets you create one or multiple secondary indexes on the same database table, with each SAI index based on any single column.

Exception: There is no need to define an SAI index based on a single-column partition key.

SAI concepts

Use Storage-Attached Indexing (SAI) to create multiple secondary indexes on the same table.

SAI quickstart

Follow the steps to get started quickly with SAI.


Frequently asked questions about SAI.

Working with SAI

Create, check, alter, drop, and query SAI.

SAI operations

Configuring and monitoring SAI indexes.

Querying with SAI

Understand the columns on which you can define SAI indexes and run queries.