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IBM Informatica Interview Questions
Questions Answers Views Company eMail

how do u fnd the duplicate rows and how to delete the duplicate rows?

2 6155

what is the significance of newlookup port in dynamic look up

1 4661

how many ways can we implement SCD2?

4 12229

I am having a table with columns ID NAME 1 x and the requirement is to get the o/p like this 1 y ID Count(*) 1 z 1 3 2 a 2 2 2 b 3 c so write a sql query to get the id n how many times its count of repetition n there u shouldn't get the distinct(i.e id-3) Reply as early as possible

3 3847

how may sources can be used in a mapping at a time?(limit)

6 5665





what is the difference between look up and joiner(don't say joiner sopport only = where as look up support non-equijoin).

3 7539

suppose i have 1000 records and i want to load half of the record in target 1 and half in target2.how u'll do?

9 8088

while for 100 records in source table loaded sucessfully in trgt table . assume ,session will take 10min or 5 min to successfully succeeded. then 100 million records r there in source how much time will take by session to succeeded. there no fail ok.trgt table will load 100 million records with out any errors . don't tell perfect time . assume your self how much time to succeeded?

1 3510

lookup is passive y can't it be active? let us say i have some records in my source like 101,rohit,1000 101,rohit,1000 102,kumar,2000 like wise now as it is having multiple matches i return only first,last value it can't return bouth the values that means lookup is acting as select distinct right by default what means it is active?

5 5056

differnece between joiner and a look up(please don't give just definitions)....i mean in which scenario it is better to use joiner and in which scenario better o use lookup ??

2 3813

performance wise which one is better in joiner and lookup transformation?why?explain clearly?

1 3736

every DWH must have time dimension so now what is the use of the time dimension how we can calculate sales for one month,half-yr'ly,and year'ly?how we are doing this using time dimension.

1 3783

if i am having 10 records in source, i want 20 records in target...how will you do it

13 11068

performance wise which one is better in joiner and lookup transformation?why?explain clearly?

4 15336

There is a table with emp salary column how to get the fields belongs to the salary greater than the average salary of particular department. Write a query

7 7959

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IBM Informatica Interview Questions


Un-Answered Questions

How does firstlogic’s global data quality connector for sap systems work?

148


how we implement share object repository in QTP 9.0 without using quality Centre , Explaine in brief

1017


What are the joins in teradata and how many types of joins are there in teradata?

118


What is revaluation of assets.when it occurs

1035


What is pre increment and post increment in java?

106






What are the microsoft apps?

92


Explain sql server authentication modes?

122


Does golang support operator overloading?

1


what do u meant by investment banking

1373


What is a difference between IIS logs and ULS logs?

125


What is the difference between position absolute and fixed?

16


What is the unit standard weight,thicknessof C.I>Pipe of various Dia upto200 MM(as per IS1538)

1480


How do you define a testing policy?

133


What is data type and its types?

108


Which jsp lifecycle methods can be overridden?

119