多级安全数据库的安全策略需要各种模型来表达，访问控制模型是其中之一。
Security policy of multilevel security DBMS is expressed by many models. One of them is access control model.
访问控制策略即保证数据库的访问者其身份的合法性。
Access control security strategy is to preserve the legality of the database users.
数据库系统的安全性主要包括两个方面：访问控制策略和传输通道安全。
There are two aspects included in database system security, which is access control security strategy and communication channel security.
数据库系统的安全性主要包括两个方面：访问控制策略和传输通道安全。
There are two aspects included in database system security, which is access control security strategy and communication channel security.
应用推荐