单项选择题
Which of the following statements is used to revoke all DML privileges on table EMPLOYEE from user TOM?（）
A.REVOKE ALL PRIVILEGES FROM USER tom B.REVOKE ALL ON EMPLOYEE FROM USER tom C.REVOKE EXECUTE ON EMPLOYEE FROM USER tom D.REVOKE PRIVILEGES ON EMPLOYEE FROM USER tom
单项选择题 Which of the following privileges permits a user to update the comment on a sequence?（）
单项选择题 Which of the following statements is used to prevent user TOM from adding and deleting data in table TAB1?（）
单项选择题 A user invoking a user-defined function requires which DB2 privilege?（）
