Re: Select between two databases

Not sure if same can be accomplished with different servers.
Try the following for database's on one server,  use alias & dot notation...

select a1.colA1 from
myDatabase1.tableA1 a1
where a1.A2 in (select b1.colB1 from myDatabase2.tableB1 b1)

Indraneel Majumdar wrote:

> Hi,
>
> Does any one know how I may select between two databases running on same
> machine or on different machines eg.
>
> select colA1 from tableA1 where colA2 in (select colB1 from tableB1);
>
> here tableA1 and tableB1 are in different databases. The two databases
> might be under the same postmaster or on different machines under
> different postmasters. How do I query both simultaneously? Is it possible?
>
> Thanks,
> Indraneel
>
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> # Indraneel Majumdar                  ¡  E-mail: indraneel@123india.com  #
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