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SQL 平均数统计

整理:jimmy2024/12/25浏览2
简介复制代码 代码如下:SELECT CAST(SUM(score_comments_) / COUNT(*) AS decimal) AS score FROM Comments_Toysgogo_ WHERE (aboutid_comments_ = 81) AND (table_comments_

复制代码 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')