2016-06-08 101 views
0

我有一個viewtable下面的模式:條件和通過查詢Mysql的

No_quotation  |period |total_hour 
001/QY-RKS/05/2016 Mar-16  21.0 
001/QY-RKS/05/2016 Mar-16  21.0 
002/QY-RKS/05/2016 Apr-16  18.0 
002/QY-RKS/05/2016 Apr-16  18.0 

我需要總結的表像這樣

No_quotation  |period |total_hour 
001/QY-RKS/05/2016 Mar-16  42.0 
002/QY-RKS/05/2016 Apr-16  36.0 
+4

好像你知道前夕什麼,問題是什麼? – sagi

+0

'select ....,sum(total_hour)group by No_quotation'? – strangeqargo

回答

0

你只需要做的聚合total_hour列每個No_quotation/period組:

SELECT No_quotation, period, SUM(total_hour) AS total_hour 
FROM viewtable 
GROUP BY No_quotation, period