<div>
should have posted in some DB TA as this has not much to do with delphi ;)<br />
<br />
you can try something like this (not tested):<br />
<br />
select product,sum(prod) from (select product,action*quantity as prod from table ) group by product<br />
<br />
let me know if there are any errors as I don't have anything to test it against
</div>


<div>
Sorry, was so easier:<br />
<br />
Select Name,Sum(saleorbuy*quantit<wbr />y) from Table group by Name
</div>


<div>
I will ask to delete this topic
</div>


<div>
well wasn't my answer helpfull? if not, then maybe a paq with refund should be better, no?
</div>


<div>
<div class="content wysiwyg-content">
I have next table structure:<br />
<br />
Name product &nbsp; ... &nbsp; buy/sale ... quantity<br />
<br />
<br />
Cats .... &nbsp; 1 ( I buy ) ... &nbsp;10<br />
Dogs ... &nbsp; 1 &nbsp;... &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;20<br />
Birds ... &nbsp; 1 ... &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 14<br />
Cats .... &nbsp;-1 ( I sell ) &nbsp;... &nbsp; 5<br />
Dogs ... &nbsp;-1... &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;7<br />
Cats ... &nbsp; &nbsp;1 ... &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 12<br />
<br />
I need a sql that will return me:<br />
<br />
Cats ... &nbsp;17<br />
Dogs ... 13<br />
Birds ... 14<br />
<br />
Can help me with a SQL script.
</div>
</div>


I have next table structure:

Name product   ...   buy/sale ... quantity


Cats ....   1 ( I buy ) ...  10
Dogs ...   1  ...              20
Birds ...   1 ...               14
Cats ....  -1 ( I sell )  ...   5
Dogs ...  -1...                  7
Cats ...    1 ...               12

I need a sql that will return me:

Cats ...  17
Dogs ... 13
Birds ... 14

Can help me with a SQL script.

should have posted in some DB TA as this has not much to do with delphi ;)

you can try something like this (not tested):

select product,sum(prod) from (select product,action*quantity as prod from table ) group by product

let me know if there are any errors as I don&#39;t have anything to test it against

Sorry, was so easier:

Select Name,Sum(saleorbuy*quantity) from Table group by Name

well wasn&#39;t my answer helpfull? if not, then maybe a paq with refund should be better, no?

SQL .. SUM .. SUBSQL ?

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