distinct.sql
# 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;>
# 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;>