## Activating, Deactivating, or Deleting Indexes

You can use the Database Manager GUI to determine which of the existing indexes have been used in a database instance.

You can also activate, deactivate, or delete selected indexes.

### Prerequisites

The database instance is in the ONLINE operational state.

### Procedure

Select the required database instance in the list of database instances.

1. Choose Instance ® Tuning ® Index Use.

2. You can choose which indices are to be displayed. To do this, enter appropriate search arguments:

Owner | Owner
Table Name | Name of the table
Index Name | Name of the index

You can also choose between the following options:

Disabled indexes only | Only indexes that have been deactivated
Unused indexes only | Only indexes that have not been used

3. Choose Actions ® Search. A list of the indexes that match your criteria is then displayed.

4. Select the indexes that you want to activate.
If you want to activate all of the indexes displayed, choose Actions ® Mark All.
Select the indexes you want to deactivate in the list.

5. Choose Actions and the action you want to perform.

See also:

Restoring the Indexes After Database Restore

Database Administration in CCMS, Indexes