To request a connection from the driver manager )向驱动程序管理器请求连接,这样
The connection for a request that specifies the keep - alive header was closed unexpectedly 指定keep - alive标头的请求连接被意外关闭。
Defines how many milliseconds the call will wait when getting a connection from the pool before it gives up ; the 定义了从连接池中请求连接时在放弃之前应等待多少毫秒;
This is done by dynamically looking up a class based on the platform name and the protocol of the requested connection 这一任务是通过根据平台名称和所请求连接的协议动态地查找一个类来完成的。
Gets or sets a boolean value that indicates whether the connection will be pooled or explicitly opened every time that the connection is requested 获取或设置一个布尔值,该值指示每次请求连接时该连接是汇入连接池还是显式打开。