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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 8175

what is the significance of newlookup port in dynamic look up

1 6249

how many ways can we implement SCD2?

4 15632

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 5988

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

6 9495

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

3 10091

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 13051

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 4904

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 8249

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 6129

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

1 5109

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 5027

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

13 18097

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

4 21223

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 12434

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IBM Informatica Interview Questions

IBM Informatica Interview Questions (179)

Un-Answered Questions

What is a posting key? : fi- general ledger accounting

1030

Explain sensors in android.

941

Give me sample test cases for smoke testing

9073

Are lists mutable?

887

What is the tool used for arriving at improvements in processes?

1091

How 48-relay (incomplete sequence) functions?

4032

Where do the cookie state and session state information be stored?

881

How do users interact with HDFS in Apache Pig ?

712

What are all the various Estimation Techniques available ?

1062

What is task profile?

965

Which is gives good performance idoc/ proxy?

2203

List the steps to do the configuring third party (bapi) tools.

864

how to calculate the breaking capacity of different breakers.

2220

What is the difference between skip and new-line?

1273

Which best describes the load files into stack command?