It provides dynamic interaction between the user's browser and the Web server, without having to refresh a complete page each time.

它提供了用户浏览器和网络服务器之间的动态交流方式，而不用每次都刷新一个完整的页面。

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You have an obvious opportunity to extend this tool to refresh the current screen when the mail rule operation is complete.

显而易见，能够对该工具进行扩展，以便在完成邮件规则操作之后刷新当前屏幕。

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This is not equivalent to running a complete statistics refresh on resulting tables of an ALTER FRAGMENT.

这与在运行 ALTER FRAGMENT 后的表上执行完整的统计刷新是不同的。

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