在执行场地到底发生了什么无人知晓，这倒也能理解，因为曾参与其中的俄国士兵从不谈论他们在那时都干了什么。
Accounts of exactly what did take place at the execution sites are understandably scarce. Few of the Russian soldiers who took part ever spoke of what they had done.
要真正理解UPDATESTATISTICS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.
要真正理解UPDATESTATISTICS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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