此外,基于为数不多的sql语句选择分区键也不是一个好的做法。
In addition, it is not a good idea to select partitioning keys based on a handful of SQL statements.
这与down函数使用了相同的方式,因此可以使用下面的语句选择第三个单元格。
This works in the same way as the down function, so to select the third cell, you would use.
SQL编译器使用查询优化来为任何给定的sql语句选择表现最好的访问路径(当然,这要在合理的时间内)。
The SQL compiler USES query optimization to select the best performing access path for any given SQL statement (within a reasonable amount of time, of course).
So you might have chosen a different sentence or whatnot, but that's fine.
所以你们可能选择了一个不同的语句,或其它的东西,但是那挺好的。
So while. And thankfully the jargon that the authors of this language chose early on conjures up the right ideas in your mind while something is true.
即while语句,幸好该语言的创始人,选择的术语都很通俗易懂,让人只通过字面意思就能联想到其真正含义。
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