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MINUS Ignore Coulmn

MAliOct 23 2012 — edited Oct 23 2012
Hi All

Please help me solve this issue

select 1, rowid
from table a
minus
select 1, null
from table b

The rowid from first query should not be considered however I would need the value of this column.

Please suggest if there is a function where I could not consider a column in minus but get the value of the Ignored column
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Locked on Nov 20 2012
Added on Oct 23 2012
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