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mysql中将null值转换为0的语句

时间:2021-09-24 10:58:26 | 栏目:Mysql | 点击:

复制代码 代码如下:

SELECT
IF(AVG(cai.conversionsRate) IS NULL,0,AVG(cai.conversionsRate))
AS conversionsRate
FROM campaign_info cai
WHERE insertTime BETWEEN '2011-02-01' AND '2011-02-04' AND googleCampaignId=23331401

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