当一个请求到达数据库服务器时，需要经过一连串的处理步骤。
When a request arrives at the database server, it goes through a series of phases.
出于演示的目的，下面的清单只显示了对（多）行字符串的处理，而省略了错误处理。
The listing shows only the handling for (multi-)linestrings and also omits the error handling for illustration purposes.
对网络的设计和布局及网络数据库的选用进行了分析，并就客户端应用程序与数据库服务器的连接作了说明，解决了VB中字符串的处理等难点。
The system design, network layout, selection of database, and the way to connect client applications to the server are described. Difficulties in dealing with characters in VB are resolved.
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