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  • 实用Sql统计

    Code

    统计各个学院年龄段人数

    SELECT bmmc, CASE WHEN DATEDIFF(YY, cssj, GETDATE())
          < 20 THEN '0-19岁' WHEN DATEDIFF(YY, cssj, GETDATE()) BETWEEN 20 AND
          29 THEN '20-29岁' WHEN DATEDIFF(YY, cssj, GETDATE()) BETWEEN 30 AND
          39 THEN '30-39岁' WHEN DATEDIFF(YY, cssj, GETDATE()) BETWEEN 40 AND
          50 THEN '40-50岁' ELSE '50岁以上' END AS age
    FROM jsjbxx
    ORDER BY age

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  • 原文地址:https://www.cnblogs.com/hubcarl/p/1423926.html
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