Online Documentation for SQL Manager for PostgreSQL
Selecting index for clustering
The first step informs you about the operations that will be performed by the wizard.
Click the Next button to proceed to the Selecting index for clustering step of the wizard.
The Selecting index for clustering step lists table indexes. If the table was clustered previously, the index used for that clustering operation is selected by default.
Select one index to cluster the table on.
Select this option if you want to perform the Analyze table operation as well.
Click the Next button to proceed to the Running service step of the wizard.