How to SELECT

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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


or when we use
COALESCE(is exits  value, or this value)

i need
say_some_function (if value display,1)

results should be as
1
1
2
2
1
1

Is it possible Can any one help me...

Thanks & Regards
AK


[Postgresql General]     [Postgresql PHP]     [PHP Users]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Yosemite]

  Powered by Linux