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1、第11讲 SQL Server安全管理问题 赵老师当了00电子商务班的班主任，他要能查到全校的课程信息以及本班学生的选课信息，如何让他有权查到这些信息。安全管理一个用户要对某一个数据库进行操作 ，必须同时满足两个条件：1.能连接到SQL Server服务器（连接权）2.有执行该操作的权限（访问权）安全管理房子(SQL Server)大门验证授权SQL Server验证模式|SQL Server两种验证模式 1. 仅Windows 验证 2. SQL Server和Windows的混合 验证|设置安全认证模式 登录管理|必须有合法的登录账号才能建立与SQL Server的连接【例】为新老师创建登
2、录账号 EXEC sp_addlogin logzhao, 01验证登录帐号能否对数据库进行访问。验证登录帐号能否对数据库进行访问。数据库用户管理有了登录帐号后，还要对应数据库用户才能连接数据库【例】在数据库中创建用户dbuserzhao，对应的登录帐号是logtzhao。 exec sp_grantdbaccess logzhao, dbuserzhao验证与数据库的连接和访问 授予权限|权限分为： 1. 语句权限：create table, view, trigger etc 2. 对象权限: select, insert, exec, update, delete,exec【例】授予用户
3、权限 grant select on course to dbuserzhao【例】验证登录账号logzhao能否访问course表解决问题 解决赵老师能查询本班学生的选课信息Create view csel asSelect stucou.stuno,couno,willorder from stucou,student,classWhere stucou.stuno=student.stuno and student.classno=class.classno and classname=00电子商务00电子商务班的选课信息视图解决问题解决问题|赵老师能了解本班某课程的选课情况 creat
4、e proc c_cou kc char(10)AsSelect stuno,couname,willorder from csel,courseWhere csel.couno=course.couno andCouname=kc 解决问题 grant exec on c_cou to dbuserzhao 撤消权限【例】撤消赵老师执行上面存储过程的权限问题|假如学校新增10个班主任，他们都要在student表中添加、修改和删除学生，要个个设置权限，方便吗？角色|角色 角色是一组权限的命名集合 。SQL Server中角色分为：服务器角色和数据库角色。数据库角色 标准角色：有角色成员。 应用
5、程序角色：无角色成员，需要激活才能使用。解决问题步骤1：创建班主任角色 use xk EXEC sp_addrole m_role步骤2：对角色授权步骤3：创建各班主任登录 sp_addlogin logteac1, 01 sp_addlogin logteac2, 02步骤4：创建各登录对应的用户 sp_grantdbaccess logteac1, dbuser1解决问题步骤5：使用户成为角色成员 sp_addrolemember m_role,dbuser1 sp_addrolemember m_role,dbuser2步骤6： 验证插入权限应用程序角色 创建应用程序角色 sp_adda
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