SELECT `字段名a`, count(`字段名a`) as c FROM `表名` WHERE 过滤条件 group by 字段名a ORDER BY `c` DESC
博客主要围绕查询某一字段中重复的元素展开,但具体查询方法等内容未给出。
SELECT `字段名a`, count(`字段名a`) as c FROM `表名` WHERE 过滤条件 group by 字段名a ORDER BY `c` DESC
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