数据库级别的角色 db_accessadmin db_backupoperator db_datareader db_datawriter db_ddladmin db_denydatareader db_denydatawriter db_owner db_securityadmin 服务器级别角色 用户架构分离 上下文切换 所有权链 模块签名 保护数据和日志文件的安全 TRUSTW
In order to backup (but deny access), I also need to add these fixed roles: db_denydatareader, db_denydatawriter, db_owner. But then if I set db_owner, I don't need to set db_backupoperator in order to back it up. So what the hey is db_backupoperator for? One more thing: ...