哪个能实现删除用户的命令( )。
A: delete from MySQL.user
B: delete user
C: drop root
D: truncate user
A: delete from MySQL.user
B: delete user
C: drop root
D: truncate user
举一反三
- 删除用户账户命令是( ) A: DROP USER B: DROP TABLE USER C: DELETE USER D: DELETE FROM USER
- 在 MySQL 中,删除用户的命令是( ) A: DROP USER B: REVOKE USER C: DELETE USER D: REMOVE USER
- 下面使用DELETE语句删除用户user2的语句中,正确的是 A: DELETE FROM mysql.user WHERE Host='localhost' AND User='user2'; B: DELETE FROM mysql.user WHILE Host='localhost' AND User='user2'; C: DELETE FROM mysql.user WHERE Host='localhost' OR User='user2'; D: DELETE FROM mysql.user WHILE Host='localhost' OR User='user2';
- 删除用户的同时删除用户所拥有的全部对象的正确命令是（） A: drop user username cascade B: drop user username C: delete user username D: delete user username cascade
- hive中清空表user的HQL语句为（ ） A: delete from user; B: remove table user; C: drop table user; D: truncate table user;