AsSbHg

A. 稗草
B. 蒲公英
C. 棒头草
D. 千金子

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