The failover partner server name supplied in the connection string is used only if the initial connection to the principal database fails 只有初次连接主体数据库失败时，才应使用连接字符串中提供的故障转移合作伙伴服务器名称。
You can also supply several connection string modifiers to control connection pooling behavior see " controlling connection pooling with connection string keywords , " later in this topic 您也可以提供几个连接字符串修饰符，用于控制连接池的行为（请参见本主题后文的“使用连接字符串关键字控制连接池” ） 。
Select data source dialog box where you can build an odbc data source name . if necessary , enter the user name and password required to connect to the database 如果还没有odbc数据源，请单击“使用连接字符串” ，然后键入连接字符串，或者单击“生成”显示“选择数据源”对话框，在该对话框中可以生成odbc数据源名称( dsn ) 。
For example , a connection manager includes a connection string property that you set at design time ; at run time , a physical connection is created by using the values in the connection string property 例如，连接管理器包括一个在设计时设置的连接字符串属性；在运行时，将通过使用连接字符串属性中的值创建一个物理连接。
Because the driver keyword does not use information from the system , the driver must define enough keywords so that a driver can connect to a data source using only the information in the connection string 因为driver关键字不使用来自系统的信息，该驱动程序必须定义足够的关键字，以便驱动程序仅使用连接字符串中的信息就可以连接数据源。
