sql下求列的平均数的语句
代码如下:
select CAST(SUM(score_comments_) / COUNT(*) AS decimal) AS score
FROM Comments_Toysgogo_
WHERE (aboutid_comments_ = 81) AND (table_comments_ = ‘product’)
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THE END
喜欢就支持一下吧
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sql下求列的平均数的语句
代码如下:
select CAST(SUM(score_comments_) / COUNT(*) AS decimal) AS score
FROM Comments_Toysgogo_
WHERE (aboutid_comments_ = 81) AND (table_comments_ = ‘product’)
