我要计算总出席人数.以及单个查询中有多少次呼叫成功联系人

问题描述

我们有一个具有字段的表.--Name，ContactStatus(它可以是呼叫断开，再次联系，参与，成功联系)
我要计算总出席人数.以及在单个查询中呼叫成功联系人的数量

We have a table having field.--Name ,ContactStatus(it may be Call Disconnected, Contact Again, Engaged, Successful Contact)
I want to count total No of Attend Call. and how much call Successful Contact in a single query

推荐答案

select
 COUNT(*) [total No of Attend Call]
 ,SUM(case when ContactStatus='Successful Contact' then 1 else 0 end)[Successful Contact count]
 ,SUM(case when ContactStatus='Engaged' then 1 else 0 end)[Engaged count]
 ,SUM(case when ContactStatus='Contact Again' then 1 else 0 end)[Contact Again count]
 ,SUM(case when ContactStatus='Disconnected' then 1 else 0 end)[Disconnected count]
 from tableName

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