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ROWNUM in UNION operator

Sen2008Feb 18 2013 — edited Feb 18 2013
All,

I have a requirement in SQL that I have to number each row. Hence I thought of using ROWNUM. But the sql query I'm using uses UNION operator. Hence I used like this

select a,b,rownum as 'field1' from table1
union
select c,d,1 as 'field1' from table2

Will the above query solve my purpose?

thanks
sen
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Locked on Mar 18 2013
Added on Feb 18 2013
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