RE: Check if a value in one table doesnt exist

Another approach, assuming ID is an index in table2:

select *
from table1 t1
where exists (select 'X' from table2 t2 where t1.id = t2.id)

> -----Original Message-----
> From: Roland.Skoldblom_at_ica.se [mailto:Roland.Skoldblom_at_ica.se]
> Sent: Thursday, October 25, 2001 3:00 AM
> To: Multiple recipients of list ORACLE-L
> Subject: Check if a value in one table doesnt exist
>
>
> Hallo you DBA'
>
> Can anyone give me a good example on a sql select statement
> checking if any value in id field in table one exists in
> table two's id field?Table two also contains the
> corresponding id field but with other field names besides. Like this
>
> Table 1: Id Name Year
> Table 2: :Id City Country
>
> Thanks in advance
>
> Roland Sköldblom
>
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