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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 8279

what is the significance of newlookup port in dynamic look up

1 6336

how many ways can we implement SCD2?

4 15836

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 6135

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

6 9756

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

3 10268

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 13339

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 4984

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 8436

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 6268

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

1 5216

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 5120

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

13 18627

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

4 21456

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 12697

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IBM Informatica Interview Questions

IBM Informatica Interview Questions (179)

Un-Answered Questions

What does persist mean in java?

992

can any one suggestion me present which course(except java,.net) has huge demand in the market?

2069

What is a flexbox layout?

746

Differentiate between the standard and the custom controller.

450

What exactly is java?

950

What is mass assignable in laravel?

755

Why do we use document types in sap?

1170

Tell me the name of important Key Flex-Fields (KFFs) in Oracle HRMS?

1045

You don't have the complete expereince we require. Its a concern. How would you handle this?

1144

How do I automatically insert rows in word?

633

what is meant by object lock requests,held locks and locks waiting to be applied(wrkobjlck) why should we apply for locks.Please explain sir.

6923

What are marginally stable systems?

1104

What is the transaction code for listing all the workflows in the system (including standard & customized workflows)?

757

Explain drupal's features.

114

Will I need the 64-bit version of windows server 2003 to run exchange server 2007?

930