Drop Unused

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This action lets you build and submit one or more calls to the outln_pkg.drop_unused subprogram, letting you drop outlines that have not been used since being created.

Platform Availability

• ORCL

To Drop One or More Unused Stored Outlines

1. Initiate a Drop Unused action against one or more stored outlines. For more information see Initiating an object operation.

   The Drop Unused dialog opens.

2. Use the following table as a guide to understanding and modifying settings in this wizard:

Step	Settings and tasks
Preview	Displays the DDL that will execute the object action. For more information, see Preview.

3. Click Execute. For information on the scheduling option, see Scheduling.

This action lets you build and submit an ALTER TABLE... DROP UNUSED COLUMNS statement, letting you remove columns currently marked as unused.

Platform Availability

• ORCL

To Drop the Clones of one or more Tables

1. Initiate a Drop Unused Columns action against one or more tables. For more information see Initiating an object operation.
2. Use the following table as a guide to understanding and modifying settings in the Drop Unused Columns wizard:

Step	Settings and tasks
Action Options	Displays the tables you selected
Dependencies	Lists referring and referenced objects potentially impacted by the change. For details, see Dependencies.
Preview	Displays the DDL that will execute the object action. For details, see Preview.

3. Click Execute. For information on the scheduling option, see Scheduling.