Kirti,
 Would not and order by col1,col2 give the resulting set you want?
Is the data shown correct? you have C,D twice. I think you ment C,D and
D,C.
Ron

>>> [EMAIL PROTECTED] 03/13/03 08:23AM >>>
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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