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访问查询(SQL)以返回按WEEKS排序(按分组)的记录

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Greetings SQL gurus,

问候SQL大师,

I don't know if you can help me, but I will try. I have several large databases grouped by year (each year in a different database). I want to be able to compare values from a particular week from one year to the next. For example, "show me week 17 of 2008 vs. week 17 of 2002." I don't know




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