Re: select from multi tables

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> SELECT SUM(T1.F1) AS C1, SUM(T2.F1) AS C2 FROM T1, T2

Hi,

T1,T2 is a join of the two tables which means that you combine each value of T1 with each value of T2. This is why you don't get the result you want. In your case I simply would do two querys as it won't make any problems:
SELECT SUM T1.F1 FROM T1;
SELECT SUM T2.F2 FROM T2;

Regards,
Bastian


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