user account database

Login cannot become the owner of the current database if it already has access to the database through an existing alias or user security account within the database.

如果login已通过数据库内现有的别名或用户安全帐户访问了数据库，则该登录名不能成为当前数据库的所有者。

Using the account manager, you add intraverse secure domain user account to the security database.

使用帐号管理器，把intraverse安全域用户帐号添加到安全数据库中。

Using the account manager, you add in traverse secure domain user account to the security database.

安全帐户管理员需要从软盘获得启动密钥.

Add the user account into the database first.

请先将该用户帐户添加到数据库中。

User account database on premise

自行管理的用户帐号数据库

A login is used for user authentication and a database user account is used for database access and permissions validation.

登录用于用户身份验证，而数据库用户帐户用于数据库访问和权限验证。

User account database in on-demand environment

按需环境中的用户帐号数据库

If no user account exists in a database for a specific login, the user that is using that login cannot access the database even though the user may be able to connect to the SQL Server server.

如果数据库中不存在针对特定登录的用户帐户，使用该登录的用户即使能够连接到SQL Server服务器，也无法访问数据库。