tags:

views:

22

answers:

1
Q: 

i have table returned by select,how to calculate sum of field2,where f1 is simillar? 

f1              f2
guest           100
tester          0
user            200
user            200

desired result:

f1              f2
guest           100
user            400
tester          0
+2  A:  
SELECT f1, SUM(f2)
FROM your_table
GROUP BY f1
LukeH  2010-02-17 13:24:19
this returns SUM of all f2 from full table
SomeUser  2010-02-17 13:25:54
@Andrew: It shouldn't. The `GROUP BY` clause means that you should get a separate sum for each distinct value in the `f1` column.
LukeH  2010-02-17 13:31:11

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