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SQLServer服务器，也无法访问数据库。
For instance, a Rational Team Concert 1.0 or later client cannot connect to a Rational Team Concert 2.0 or later server, nor the reverse.
例如，RationalTeamConcert 1.0或者后续的客户端版本不能连接至Rational Team Concert 2.0或者后续版本的服务器，反过来也不行。
For instance, a Rational Team Concert 1.0 or later client cannot connect to a Rational Team Concert 2.0 or later server, nor the reverse.
例如，RationalTeamConcert 1.0或者后续的客户端版本不能连接至Rational Team Concert 2.0或者后续版本的服务器，反过来也不行。
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