Rename Oracle index tips

Oracle Database Tips by Donald BurlesonFebruary 26, 2015

Question: How do I rename an index? Is there an overhead in renaming an index?

Answer: The alter index command allows you to rename an index using the rename the index to keyword as seen in this example:

ALTER INDEX
ix_emp_01
RENAME TO
ix_emp_01_old;

In this case we have renamed the ix_emp_01 index to ix_emp_01_old. All of the data dictionary entries will be changed by Oracle to reflect the new name.

The alter index rename operations only updates the data dictionary, so the command executes quickly and causes minimal locking, perfect for online operations.

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