Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


What is the SQL query to select, delete and get count of
duplicate rows in DB2?

Answers were Sorted based on User's Feedback



What is the SQL query to select, delete and get count of duplicate rows in DB2?..

Answer / igor kramov

DELETE FROM (
SELECT ROWNUMBER() OVER (PARTITION BY c1, c2 ORDER BY c3
DESC) AS rnum FROM t1)
WHERE rnum > 1 ;

the same is for Select\Count

Is This Answer Correct ?    6 Yes 0 No

What is the SQL query to select, delete and get count of duplicate rows in DB2?..

Answer / hkhatri27

SELECT Columns
FROM Table
GROUP BY Columns
HAVING COUNT(*) > 1;

~ Himanshu

Is This Answer Correct ?    2 Yes 2 No

Post New Answer

More DB2 Interview Questions

what will be the output of the below given query, if no matching records are found : (a.) 0 (b.) null (c.) error select Avg(salary) from TableA where Deptno = 'insurance'

10 Answers   Amdocs,


How to handle null values in db2

4 Answers  


What are some characteristics of columns that benefit from indexes?

1 Answers  


In a single table,How to retrieve a employee-id of an employee who works in more than one department?

15 Answers   Cap Gemini,


What is a predicate?

1 Answers  


If we keep the DCLGEN structure for a table in a copybook and include it in the COBOL program using the COPY statement, will there be any impact during compilation or at any stage of program execution?

2 Answers  


How to execute stored procedure in db2 command editor?

0 Answers  


Explain what are the various isolation levels possible?

0 Answers  


On which levels locks can be applied?

0 Answers  


Explain packages.

0 Answers  


how do you resolve -805?

3 Answers   HCL,


Explain the function done by data manager?

0 Answers  


Categories