mysql查询数据库中出重复次数最多的记录
文章利用了count(*)和broupby 及order by来实现了mysql查询数据库中出重复次数最多的记录并且 以最多降序列出。
代码如下 | 复制代码 |
SELECT keyword, count( * ) AS count FROM article_keyword GROUP BY keyword ORDER BY count DESC LIMIT 20 |
此段查询语句返回 article_keyword 表中 keyword 重复次数(count) 最多的20条记录。
代码如下 | 复制代码 |
SELECT DISTINCT count( * ) AS count FROM article_keyword GROUP BY keyword ORDER BY count DESC LIMIT 6 |
此段查询语句返回 article_keyword 表中 keyword 的重复次数(count) 排名前 6 的数值。通过添加 DISTINCT 返回唯一记录

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