1. Choose Schema > Index Editor. The Index Editor alphabetically lists all the tables defined for your database.
2. Select a table. The Index Editor lists the indexes defined for that table.
3. Select the index you want to rename.
4. Choose Rename. The Index Editor prompts you for the new name.
5. Enter the new index name, then press RETURN. You cannot use the name of an existing index.
6. Choose Exit. The Data Dictionary displays an alert box asking if you want to apply or undo the changes to the database, or if you want to make other changes.
7. Choose Apply Changes. The main window of the Data Dictionary appears.