Which two statements complete a transa

Which two statements complete a transaction?（）

A DELETE employees;
B DESCRIBE employees;
C ROLLBACK TO SAVEPOINT C;
D GRANT SELECT ON employees TO SCOTT;
E ALTER TABLE employees SET UNUSED COLUMN sal;
F Select MAX(sal) FROM employees WHERE department_id = 20

参考答案

参考解析：

分类：1Z0-007题库

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