(distinct(asgi.skillgroup_urn)) as [# of skills],sum(agi.LOGGED_ON_TIME)/count(DISTINCT(asgi.SKILLGROUP_URN)) as [Logged On Time (Per Agent)],
sum(agi.NOT_READY_TIME)/count(DI
汇总查询: age_range, COUNT(DISTINCT animals.species) AS distinct_species这将返回错误的数字2,因为它错误地是distinct计数的distinct计数: COUNT(DISTINCTdistinct_species) AS distinct</em