sqlite group by statement

Question

我有一個包含約200條記錄的表，每條記錄都有一個日期，adzone，收入，點擊次數，cpm。

什麼是正確的sqlite語句總數有多少記錄在同一個語句分組？

select SUM(revenue), SUM(clicks), adzone 
    from mytable 
    where date='12345' 
    group by adzone 

Answer 1

添加COUNT(1)柱：

select SUM(revenue), SUM(clicks), adzone, COUNT(1) 
    from mytable 
where date='12345' 
group by adzone