Mysql 统计查询

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互联网集市收集整理的这篇技术教程文章主要介绍了Mysql 统计查询，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含786字，纯文字阅读大概需要2分钟。

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SELECT ub.telphone,
    SUM(IF(b.type = 1 AND b.level = 1, 1, 0)) AS type11,
    SUM(IF(b.type = 1 AND b.level = 2, 1, 0)) AS type12,
    SUM(IF(b.type = 2 AND b.level = 1, 1, 0)) AS type21,
    SUM(IF(b.type = 2 AND b.level = 2, 1, 0)) AS type22,
    SUM(IF(b.type = 2 AND b.level = 3, 1, 0)) AS type23,
    SUM(IF(b.type = 2 AND b.level = 4, 1, 0)) AS type24,
    SUM(IF(b.type = 2 AND b.level = 5, 1, 0)) AS type25,
    SUM(IF(b.type = 2 AND b.level = 6, 1, 0)) AS type26,
    SUM(IF(b.type = 3 AND b.level = 1, 1, 0)) AS type31,
    SUM(IF(b.type = 3 AND b.level = 2, 1, 0)) AS type32,
    SUM(IF(b.type = 3 AND b.level = 3, 1, 0)) AS type33,
    SUM(IF(b.type = 4, 1, 0)) AS type4 
    FROM `tf_user_bag` as ub LEFT JOIN tf_bag as b on ub.bag_id = b.id  GROUP by ub.telphone ORDER BY ub.telphone desc

Group的同时，把每个条件下的数量都统计出来了。

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