查询一个表有多少个kugouId,去掉重复数据,语句:
SELECT COUNT(DISTINCT (列名)) FROM 表名
如:
SELECT COUNT(DISTINCT (kugou_id)) AS COUNT,platform FROM consume_log_201601 WHERE consume_type = 4 AND platform IN (1,2) GROUP BY platform
查询一个表有多少个kugouId,去掉重复数据,语句:
SELECT COUNT(DISTINCT (列名)) FROM 表名
如:
SELECT COUNT(DISTINCT (kugou_id)) AS COUNT,platform FROM consume_log_201601 WHERE consume_type = 4 AND platform IN (1,2) GROUP BY platform