在使用ADO.NET驱动程序之前，应该确保该驱动程序已安装并能正确运行。

Before using the ADO.NET driver, you should make sure it is installed and working properly.

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PEAR安装程序已连接到pear包服务器，下载此包，并将其安装到系统中的适当位置。

The PEAR installer now connects to the PEAR package server, downloads the packages, and installs them to the appropriate location on your system.

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删除您不使用已安装的程序。

Delete installed programs that you no longer use.

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