In response to Angayarkanni :
> Hi,
>
> I am the beginner of pgpsql
>
>
> I need to select from two tables say T1,T2 by UNION
>
> when the value is from T1 the output should by a 1 and
> when the value from T2 the out put should be 2
>
> when T1 Hits values should be 1 and when T2 hits the value should be 2
select 'table 1' as table, * from t1 union all select 'table 2', * from t2;
Regards, Andreas
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Andreas Kretschmer
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