客户端应用程序通过调用存储过程只需要访问数据库一次就可以执行一系列本地操作，而不用多次访问数据库服务器。
A client application can call on the stored procedure to perform a series of native operations in one trip to the database, rather than involving multiple trips to the database server.
当openlaszlo应用程序第一次被请求时，它将被编译，产生的SWF文件被发送到客户端。
The first time an OpenLaszlo application is requested, it is compiled, and the resultant SWF file is sent to the client.
如果您的应用程序只使用服务器端验证，那么就需要进行一次额外的服务器往返传递，要占用3到6秒的时间。
If your application USES server-side error validation alone, an extra server trip is required, with a time cost of three to six seconds.
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