Oracle : Ошибка ORA-14552

"cannot perform a DDL, commit or rollback inside a query or DML "
*Cause: DDL operations like creation tables, views etc. and transaction
control statements such as commit/rollback cannot be performed
inside a query or a DML statement.
*Action: Ensure that the offending operation is not performed or
use autonomous transactions to perform the operation within
the query/DML operation.

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