When does a transaction complete?（）A、when a DELETE statement is executed B、when a ROLLBACK command is executed C、when a PL/SQL anonymous block is executed D、when a data definition language (DDL) statement is executed E、when a TRUNCATE statement is execute
题目
When does a transaction complete?（）
- A、when a DELETE statement is executed
- B、when a ROLLBACK command is executed
- C、when a PL/SQL anonymous block is executed
- D、when a data definition language (DDL) statement is executed
- E、when a TRUNCATE statement is executed after the pending transact ion