首页 > IT职业 > IT图书 > mysql中将null值转换为0的语句
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
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/4419/viewspace-2810279/ ,如需转载,请注明出处,否则将追究法律责任。