要真正理解UPDATE STATISTICS的重要性，您需要理解当用户输入一个要执行的SQL查询时，到底会发生什么事情。

To truly understand the importance of UPDATE STATISTICS, you need to understand what exactly happens when an SQL query is entered by the user for execution.

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最近的一个调查询问了受害者为什么他们不选择和犯罪分子斗争到底。

The recent survey asked victims why they chose not to come forward with their crimes.

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就在几年前，你还不得不到航空公司网站上查询航班，往往还不止浏览一个网站以确定到底要预定什么航班。

Only a few years ago, you had to go to an airline's website to find a flight, visiting more than one in order to make a decision on what to book.

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