在已经创建了学生表,班级表,专业表,系别表,学生会表,入会信息表的基础上,设计两种角色(管理员、普通用户),分配角色的数据库对象的操作权限,用mysql语句来写...

管理员角色: GRANT ALL PRIVILEGES ON students, classes, majors, departments, student_clubs, membership TO 'admin'@'localhost';普通用户角色: GRANT SELECT, INSERT, UPDATE, DELETE ON students, classes, majors, departments, student_clubs, membership TO 'user'@'localhost';

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