PDF《数据库系统概论》

An Introduction to Database System 例题(续) [例4.2] 把对Student表和Course表的全部权限授予 用户U2和U3 GRANT ALL PRIVILIGES ON TABLE Student,Course TO U2,U3;

An Introduction to Database System 例题(续) [例4.3] 把对表SC的查询权限授予所有用户 GRANT SELECT ON TABLE SC TO PUBLIC;

An Introduction to Database System 例题(续) [例4.4] 把查询Student表和修改学生学号的权限授 给用户U4 GRANT UPDATE(Sno), SELECT ON TABLE Student TO U4;

?对属性列的授权时........