sql按月份统计每个月的总数MySQL SUM()函数按条件求和

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记录一下，需要每个月的折线统计数据
sql

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SELECT
	yue.m AS mon,
	IFNULL( a.sum, 0 ) AS sellValue 
FROM
	(
SELECT
	1 AS m UNION ALL
SELECT
	2 UNION ALL
SELECT
	3 UNION ALL
SELECT
	4 UNION ALL
SELECT
	5 UNION ALL
SELECT
	6 UNION ALL
SELECT
	7 UNION ALL
SELECT
	8 UNION ALL
SELECT
	9 UNION ALL
SELECT
	10 UNION ALL
SELECT
	11 UNION ALL
SELECT
	12 
	) yue
	LEFT JOIN (
SELECT MONTH
	( CREATEDATE) AS m,
	sum( 金额 ) AS sum 
FROM
	bo_eu_riskrecord 
WHERE
	YEAR ( CREATEDATE ) = 具体年份
GROUP BY
	MONTH ( CREATEDATE ) 
	) a ON yue.m = a.m 
ORDER BY
	yue.m ASC

MySQL SUM()函数按条件求和

按条件求和

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SUM(IF(fee_type=1,fee_for_balance,0))
count(if(bill_sec<=12, bill_sec, null))
 
MAX(IF(item_code like '%_mini', item_value, 0)) phone_mini,SUM(IF(item_code like '%_fee', item_value, ''))

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SELECT MONTH
	( CREATEDATE ) AS m,
	sum( SXJE ) AS sxje,
	sum( DKJE ) AS dkje,
	sum( SQBAJE ) AS baje,
	SUM(DKJE) AS sdje1,
	SUM(IF(SDH = '1',DKJE,0)) AS sdje
	FROM
	table

数据示例：