4、列出用户user1的UID，GID等

A.useradd -a user1 group1

B.groupadd -a user1 group1

C.gpasswd -a user1 group1

D.gshadow -a user1 group1

A.EXECUTE sp_addrolemember 'USER1','R1'

B.EXECUTE sp_addrolemember 'R1','USER1'

C.EXECUTE sp_addsrvrolemember 'USER1','R1'

D.EXECUTE sp_addsrvrolemember 'R1','USER1'

A.744

B.664

C.646

D.746

A.DELETE USER 'user1'@'localhost';

B.DROP USER 'user1'.’ocalhost';

C.DROP USER user1.localhost;

D.DROP USER 'user1'@'localhost';

A.GRANT 课程表 ON SELECT TO USER1 WITH GRANT OPTION

B.GRANT SELECT ON 课程表 TO USER1 WITH GRANT OPTION

C.GRANT USER1 ON 课程表 TO SELECT

D.GRANT SELECT ON USER1 TO 课程表

A.GRANT SELECT on Orders from user1

B.REVOKE SELECT on Orders from user1

C.GRANT SELECT on Orders to user1

D.REVOKE SELECT on Orders to user1

A.GRANT INSERT on Orders

B.GRANT INSERT to user1

C.GRANT INSERT to Orders on user1

D.GRANT INSERT on Orders to user1

A.cd /home/user1

B.cd ~

C.cd ../home/user1

D.cd -

A.Ⅰ、Ⅱ 、Ⅲ

B.Ⅱ 、Ⅲ、Ⅰ

C.Ⅱ 、Ⅰ、Ⅲ

D.Ⅱ、Ⅰ