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



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

Answer / guest

Cause: 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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