摘要: Select sex, Sum(Case When 年龄 <=20 Then 1 Else 0 End) As '[0-20岁(人)]', Sum(Case When 年龄 Between 21 And 40 Then 1 Else 0 End) As '[21-40岁(人)]', Sum(Case 阅读全文
posted @ 2020-06-24 11:07 乖怪丶 阅读(1573) 评论(0) 推荐(0) 编辑
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