Serial number of a record

Hi List,

I have one table something like this

Name          Age
=================
tom           20
ram           25
shyam         30
balram        15
hari          10

Now i want serial number of a record.
Suppose if i will fire a query "select Name from tablename where age=30".
it will give output "shyam" but i also want record no. other then oid, in
this case it is 3.

is it possible?
if yes then how?
plz. help me.

Thanks
Ashok

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