用SQL语句实现权限管理时,收回用户user1对Orders表的查询权限。下列收回权限语句正确的是:。
A:GRANT SELECT on Orders to user1
B:REVOKE SELECT on Orders to user1
C:GRANT SELECT on Orders from user1
D:REVOKE SELECT on Orders from user1
发布时间:2024-05-10 23:51:37