You could try...

SELECT 'Count1', COUNT(*) FROM table1 WHERE cno = 3
UNION
SELECT 'Count2', COUNT(*) FROM table2 WHERE cno = 3
UNION
etc.

At least you could fill an array to see what was missing.




"Ryan A" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Hi,
> In my php script i am running a sql statement,
> I am using a union statement via a count to get the number of records from
5
> differient tables with the cno=3, its working fine except for one thing,
if
> the any one of the tables dont have cno=3 it does not give me back a zero.
> Heres what i am doing:
> $theResult="SELECT COUNT(*) FROM table1 WHERE cno = 3
> UNION
> SELECT COUNT(*) FROM table2 WHERE cno = 3
> UNION
> SELECT COUNT(*) FROM table3 WHERE cno = 3
> UNION
> SELECT COUNT(*) FROM table4 WHERE cno = 3
> UNION
> SELECT COUNT(*) FROM table5 WHERE cno = 3";
>
> this will return 5 rows in result, f.e.:
>
> COUNT(*)
> --------
> 12
> 10
> 9
> 23
> 7
>
> but if table1 didnt have cno=3 it gives me:
> COUNT(*)
> --------
> 10
> 9
> 23
> 7
>
> I am sure this must have been a problem with you guys to so how did you
> solve it? how can i know (in my script) if its contains a positive number
or
> is 0?
> I can run 5 counts but that would be a waste of connections if the site
gets
> a lot of members (which by the looks of it, it will).
>
> Any help appreciated, thanks in advance.
>
> Cheers,
> -Ryan
>
>
> We will slaughter you all! - The Iraqi (Dis)information ministers site
> http://MrSahaf.com
>
>



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