ORA-00056 DDL lock on object 'string.string' is already held in an incompatible mode

Error Code
ORA-00056 

Description
DDL lock on object 'string.string' is already held in an incompatible mode

Cause
A possible cause of this error is that an attempt was made to acquire a DDL lock that is already locked.

Action
This happens if you attempt to drop a table that has parse locks on it.


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See Also