应用程序请求显式的可信连接时，不能将数据库服务器验证类型设置为CLIENT。

If your application requests an explicit trusted connection, you cannot set the database server authentication type to CLIENT.

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最后，验证联合数据库服务器可信上下文对象中的信任属性与连接请求中出现的信任属性相匹配。

Finally, verify that the trust attributes in the trusted context object on the federated database server actually match the trust attributes that are being presented in your connection request.

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第一次连接到服务器时，将在数据库连接和可信上下文之间建立关系，这种关系将在连接期间一直维持。

The relationship between a database connection and a trusted context is established when the connection to the server is first made and that relationship remains for the life of that connection.

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