Mysql 查询统计最近12个月的数据

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已于 2023-07-31 18:05:02 修改

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文章标签： mysql 数据库 sql

于 2023-07-31 17:39:46 首次发布

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版权

这两段SQL代码用于统计不同时期的用户数量。第一个查询包括当月在内的最近11个月，第二个查询则排除当月，只统计过去12个月。通过DATE_FORMAT和INTERVAL函数处理日期，LEFTJOIN连接表并按月份分组计数。

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包括当月:

SELECT
	t1.yf AS 'month',
	count( t2.uuid ) AS total
FROM
	(
	SELECT
		DATE_FORMAT(( CURDATE()), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 1 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 2 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 3 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 4 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 5 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 6 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 7 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 8 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 9 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 10 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 11 MONTH ), '%Y-%m' ) AS 'yf'
	) t1
	LEFT JOIN 表名 t2 ON DATE_FORMAT( t2.时间日期字段, '%Y-%m' )= t1.yf
GROUP BY
yf

不包括当月:

SELECT
	t1.yf AS 'month',
	count( t2.uuid ) AS total
FROM
	(
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 1 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 2 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 3 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 4 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 5 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 6 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 7 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 8 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 9 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 10 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 11 MONTH ), '%Y-%m' ) AS 'yf' UNION
	SELECT
		DATE_FORMAT(( CURDATE() - INTERVAL 12 MONTH ), '%Y-%m' ) AS 'yf'
	) t1
	LEFT JOIN 表名 t2 ON DATE_FORMAT( t2.日期字段, '%Y-%m' )= t1.yf
GROUP BY
yf