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Query with SUM

Posted on 2011-10-05
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Last Modified: 2012-05-12
Hello, here is my SQL problem:

table A:

id_row | products | price |
-------------+----------+-------------
           1 |        PDA |      500.00 |    
           2 |        PDX |      650.00 |    
           3 |       PDB  |           3.00 |      
           4 |        PDC |      100.00 |            
           5 |       PDC  |           5.00 |      
           6 |       PDD  |       100.00 |    

table B:

id_row_table A | price |
---------------------+-------------
           1 |           500.00 |    
           1 |           650.00 |    
           2 |             40.00 |      
       
I would like to have this result view:


id_row | product | price | pricesumfromtableB
---------------------+------------+--------------------------
           1 |   PDA |  500.00 |    1150.00
           2 |   PDX |  650.00 |         40.00
       

thanks to all.

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Question by:wakatanka
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6 Comments
 
LVL 74

Expert Comment

by:sdstuber
ID: 36918401
sselect a.id_row,a.product,a.price,sum(b.price)
from a,b
where a.id_row = b.id_row_table_a
group by a.id_row,a.product,a.price
0
 
LVL 74

Expert Comment

by:sdstuber
ID: 36918434
also...

sselect a.id_row,a.product,a.price,sum(b.price)
from a inner join b
on  a.id_row = b.id_row_table_a
group by a.id_row,a.product,a.price
0
 

Author Comment

by:wakatanka
ID: 36918444
HI sdstuber, thanks for your solution, but in this way it returns only row that have some record in table b, i
need also all the other rows in table A.
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LVL 74

Expert Comment

by:sdstuber
ID: 36918462
your example doesn't show that,  it only shows rows that are in both tables...

but, it's easy enough, try this...


select a.id_row,a.product,a.price,(select sum(b.price) from b where  a.id_row = b.id_row_table_a)
from a
0
 
LVL 74

Accepted Solution

by:
sdstuber earned 2000 total points
ID: 36918465
alternately...  change the inner above to outer


sselect a.id_row,a.product,a.price,sum(b.price)
from a left outer join b
on  a.id_row = b.id_row_table_a
group by a.id_row,a.product,a.price
0
 

Author Closing Comment

by:wakatanka
ID: 36918481
Speedy answer and very clear. great.
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