Oracle DBA, How To, Error, Cause and Action

ORA-14134: indexes cannot use both DESC and REVERSE

ORA-14134: indexes cannot use both DESC and REVERSE


Cause:


An attempt was made to make a reverse index with some index columns marked DESC.



Action:


Do not use DESC in reverse indexes. The rule-based optimizer can scan indexes backwards, which allows a normal reverse index to simulate a reverse index with columns marked DESC.

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