ayuLiao
12/8/2018 - 8:29 AM

mysql查询

mysql去重查询，将select查询出的相同过滤，统计不重复的数据数

distinct.sql
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# distinct 删除vAccount相同的值
# COUNT统计查询出的个数
select COUNT(distinct vAccount) from level_up where dtTime between 1544025600 and 1544111999;>