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: 次
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