Unable to use query in LOV

1 error has occurred
LOV query is invalid, a display and a return value are needed, the column names need to be different. If your query contains an in-line query, the first FROM clause in the SQL statement must not belong to the in-line query.
Hi,
I have a query using a subquery for a LOV and get the error above. what should I do? Thanks.
Select a, b
from table where c
in (select d from table2 where id = x)
order by 1

hi,
just write
Select a d, b r
from table where c
in (select d from table2 where id = x)
order by 1
where
d - display value
r - return value
regards,
kartik

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Message was edited by:
Kieran

Keiran,
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