RE: A SQL Question

Kirti,

It's impossible to have a primary key as you have duplicate values. C-D and E-F both have dupes. If there should be D-C and F-E, a simple Order By Col1 would do the trick.

Jerry Whittle
ASIFICS DBA
NCI Information Systems Inc.
jerome.whittle_at_scott.af.mil
618-622-4145

> -----Original Message-----
> From: Deshpande, Kirti [SMTP:kirti.deshpande_at_verizon.com]
>
> Hi SQL Developers,
>
> I have a table as follows:
>
> Col1 Col2
> ----------------
> A B
> C D
> E F
> G H
> B A
> E F
> C D
> H G
>
> With a PK on (Col1, Col2).
>
> How do I write a SQL script to get following result?
>
> Col1 Col2
> --------------------
> A B
> B A
> C D
> D C
> E F
> F E
> G H
> H G
>
> Thanks for your help.
>
> - Kirti
>

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