count(distinct ) 和 uniqCombined 获取去重后的总数。
去重:order by distinct argMax +group by 哪个好??
clickhouse数据去重函数介绍(count distinct)_clickhouse distinct-CSDN博客
count(distinct ) 和 uniqCombined 获取去重后的总数。
去重:order by distinct argMax +group by 哪个好??
clickhouse数据去重函数介绍(count distinct)_clickhouse distinct-CSDN博客