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How to Copy only Unique Records from one Table to Another Table


Posted Date: 20 May 2008    Resource Type: Code Snippets    Category: SQL
Author: shalini jenniferMember Level: Gold    
Rating: Points: 10



The following code sample shows how to Copy only Unique Records from one Table to Another Table.


select * into newtablename from oldtablename where 1>2

It Copies only the structure of the oldtable to the new table


insert into newtablename select distinct * from oldtablename


It Copies only the Unique Records from one oldtablename to a newtablename

The new table generated has only distinct values of the oldtable ie unique values only



Responses
Author: Kapil Dhawan    17 Jun 2008Member Level: Gold   Points : 2
Hello
Nice piece of code
Thanks for sharing your knowledge with us.
I hope to see more good code from your side
This code will help lots of guys
Thanks to you
Regards,
Kapil



Author: Bunty    01 Jul 2008Member Level: Diamond   Points : 2
Hi,

Very nice piece of code.

Short and simple to understand.

Thanks for sharing your knowledge with us.

Keep posting.

Thanks and Regards
S.S.Bajoria


Author: Payal Jain    01 Jul 2008Member Level: Gold   Points : 2
u can also use it like this:

select * into newtablename from (select distinct * from oldtablename)x

it performs both the jobs with 1 single query


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