DCL(Data Control Language):是数据库控制功能。是用来设置或更改数据库用户或角色权限的语句,包括(grant,deny,revoke等)语句。
SQL SERVER 对权限的授予GRANT、拒绝DENY、收回REVOKE
-----对用户member授权,允许其具有对数据表person的更新和删除的操作权限:
GRANT UPDATE,DELETE ON person TO member WITH GRANT OPTION
--WITH GRANT OPTION表示该用户可以向其他用户授予他所拥有的权限;
-----禁止member用户对数据表person的更新权限:
DENY UPDATE ON person TO member CASCADE;
-----收回用户member对person表的删除权限:
REVOKE DELETE ON person FROM member