DEALLOCATE -- deallocate a prepared statement
DEALLOCATE [ PREPARE ]
DEALLOCATE is used to deallocate a previously prepared SQL statement. If you do not explicitly deallocate a prepared statement, it is deallocated when the session ends.
For more information on prepared statements, see
This key word is ignored.
The name of the prepared statement to deallocate.
The SQL standard includes a DEALLOCATE statement, but it is only for use in embedded SQL.