Oracle DBA, How To, Error, Cause and Action

ORA-14554: cannot perform requested operation during database startup

ORA-14554: cannot perform requested operation during database startup


Cause:


Requested operation requires the Cost Based Optimizer(CBO) which is not available during database startup. Features like partitioning, IOTs, grouping sets, and flashback cursor require the CBO.



Action:


Retry the query after the database is open.

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