A. BEGIN TRANSACTION; B. START TRANSACTION; C. END TRANSACTION; D. STOP TRANSACTION;
A. ROLLBACK TRANSACTION; B. ROLLBACK; C. END COMMIT; D. END ROLLBACK ;
A. READ UNCOMMITTED B. READ COMMITTED C. REPEATABLE READ D. SERIALIZABLE
A. CREATE PROC B. CREATE DATABASE CREATE FUNCTION D. CREATE PROCEDURE
A. 对 B. 错