If you see major shifts in revenue results that normal seasonal differences cant explain, an alarm should go off in your head.
如果你调查收入的主要变化产生伪善之言解释的那种正常的季节不同,一声警报应该在你的头中爆炸。
While the merge options do not always have a major impact on overall query performance, they can impact perceived performance because they control how long a user must wait to see results.
尽管合并选项并不总是对总体查询性能有很大影响,但是,由于它们控制用户必须等待多长时间才能看到结果,因此可能会对感觉到的性能产生影响。
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