Unless you have a small amount of data, this would slow runtime performance.
除非数据量不大,否则这样做会降低运行时性能。
A cookie is a small amount of data that is sent from a web server to your browser.
Cookies是一个互联网服务器传送到你的浏览器的少量数据。
Due to the rather small amount of data no significant differences in the execution time could be measured.
由于数据量比较小,前后两个查询在执行时间上测量不到明显的差别。
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