Defining Azure Synapse ColumnStore Indexes

The following properties are applicable to an Azure Synapse ColumnStore object.

Tab

Property

Description

Members

Index Members

Specifies the table columns to be used in the columnstore index

General

Clustered

Specifies whether the columnstore index is clustered or non-clustered

Drop Existing

Indicates that the existing columnstore index must be dropped and a new index should be created

Maximum Degree of Parallelism

Specifies the limit of number of processors used in a parallel plan execution
Online Specifies whether the columnstore index is available online while the new copy of the index is being built
Compression Delay

For a disk-based table, specifies the minimum number of minutes a delta rowgroup in the CLOSED state must remain in the delta rowgroup; before SQL Server can compress it into the compressed rowgroup