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...


In a table there are 1 million records there in which 3
records are duplicate how will you find out those 3 records?

Answers were Sorted based on User's Feedback



In a table there are 1 million records there in which 3 records are duplicate how will you find ou..

Answer / amedela chandra sekhar

write a query eg:take emp table and empno,sal,deptno columns
have assume the duplicates.

select * from emp x where rowid>(select min(rowid) from emp
where empno=x.empno
and sal=x.sal
and deptno=x.deptno);


you will only duplicate records in the emp table.
chandumba2005@gmail.com

Is This Answer Correct ?    3 Yes 0 No

In a table there are 1 million records there in which 3 records are duplicate how will you find ou..

Answer / lokesh vepanjeri

select * from emp where rowid not in (select max(rowid)
from emp group by empno);

Is This Answer Correct ?    3 Yes 0 No

In a table there are 1 million records there in which 3 records are duplicate how will you find ou..

Answer / santosh kumar sarangi

select * from emp where empno in (select empno from emp
group by sal having count(*)>1)

Is This Answer Correct ?    1 Yes 0 No

In a table there are 1 million records there in which 3 records are duplicate how will you find ou..

Answer / vivek singh

select * from emp1
where rowid not in (select max(rowid) from emp1 group by empno);

Is This Answer Correct ?    0 Yes 0 No

In a table there are 1 million records there in which 3 records are duplicate how will you find ou..

Answer / teja_dwh

use this query u will get this.For example i am taking emp
table

select * from emp where rowid not in(select max(rowid) from
emp group by empno)

Is This Answer Correct ?    0 Yes 1 No

In a table there are 1 million records there in which 3 records are duplicate how will you find ou..

Answer / haribabu

select ename,empno,count(*) from emp group by empno having count(*)>1;

Is This Answer Correct ?    1 Yes 3 No

Post New Answer

More Informatica Interview Questions

Can we run session without using workflows?

5 Answers   TCS,


Can anyone please distinguish what is Inner join and Outer join

2 Answers   Wipro,


Transformer is a __________ stage option1:Passive 2.Active 3.Dynamic 4.Static

2 Answers   Accenture,


How to enter same record twice in the target table,explain?

7 Answers  


As union transformation gives UNION ALL output, how you will get the UNION output?

0 Answers   Informatica,


Hi, I am new to Informatica, What is a flat file and how to use flat file in infomratica please help me.

10 Answers   CSC,


In Real Time what are the scenarios u faced, what r the tough situations u have overcome, and explain about sessions.

2 Answers   Cap Gemini, CTS, TCS, Tech Mahindra, Wipro,


Which kind of index is preferred in DWH?

2 Answers  


Consider two cases: (1) Power Center Server and Client on the same machine (2) Power Center Sever and Client on the different machines what is the basic difference in these two setups and which is recommended?

2 Answers  


What is the sequence generator transformation in informatica?

0 Answers  


How the dimensions will be loaded?

0 Answers   HCL,


How can u work with remote database in informatica?did you work directly by using remote connections?

2 Answers  


Categories