Index Maintenance Tasks

Select the index for maintaining in the object pane. Right-click and select the Maintain from the popup menu.

Rebuild
To re-create an existing index or one of its partitions or subpartitions. If the index is marked unusable, then a successful rebuild will mark it usable.

Make Unusable
To make the index unusable. An unusable index must be rebuilt, or dropped and re-created, before it can be used.

Coalesce
To instruct Oracle Database to merge the contents of index blocks where possible to free blocks for reuse.

Compute Statistics
To compute the statistics of the index.

Monitoring Usage
To begin monitoring the index. Oracle Database first clears existing information on index use, and then monitors the index for use until choosing No Monitoring Usage.

No Monitoring Usage
To terminate monitoring of the index.