As data is modified in the underlying tables that the indexes operate on, the indexes
become fragmented. Rebuild fragmented indexes on materialized views to improve
performance.
Prerequisites
| Database Version |
Materialized View Index Privileges |
|---|
| SAP Sybase IQ 15.3 and 15.4 |
You must have one of:- DBA authority
- RESOURCE authority with ALTER permission on the
underlying database object of the index
- You own the underlying database object of the
index
|
| SAP Sybase IQ
16.0 |
You must have one of:- ALTER ANY INDEX system privilege
- ALTER ANY OBJECT system privilege
- You own the underlying database object of the
index
|
-
The SAP Sybase IQ resource is authenticated and
running.
-
In a multiplex
configuration, the coordinator node is running.
Task- In the Perspective Resources view, select the resource, and
select .
- In the left pane, expand , and then select Materialized Views.
- Select a materialized view from the right pane and either:
- Click the arrow to the right of the name and select
Properties, or
- From the Administration Console menu bar, select .
The Materialized View Properties view appears.
- In the left pane, select Indexes.
- Select one or more indexes from the right pane and click
Rebuild.
Note: Use Shift-click or Control-click
to select multiple indexes.
The Rebuild Indexes view appears when complete and indicates the rebuild
status of each selected index.
- Do one of the following:
- Click Apply to upload any property changes to the
database and remain in the properties view.
- Click OK to upload any property changes to the
database and exit the properties view.
- Click Cancel to cancel any unsaved property changes
and exit the properties view.