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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 6981

what is the significance of newlookup port in dynamic look up

1 5215

how many ways can we implement SCD2?

 4 13876

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 4694

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

 6 7026

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

 3 8634

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 9852

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 4109

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 6332

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 4844

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

 1 4294

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 4233

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

 13 14027

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

 4 18912

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 9684

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IBM Informatica Interview Questions


Un-Answered Questions

Is IDBI Bank a nationalized Bank?

490

What is Spyware ?

1463

What is concept of dbms?

365

Should I learn c++ or python?

334

What is the default namespace of lightning component? : salesforce lightning component

135




What is a high-pass filter?

488

What is difference between initial value and current value in data item?

40

Why article is necessary for seo?

347

How does spring mvc work?

98

Describe REVERSE function in Hive with example?

334

Explain the expression trees?

468

What does civil engineering mean?

515

pls send me out bound code of supplers,site,bankiformation code pls as soon as

1581

Give an example of VBA?

1224

Define trellis chart?

3