Informatica Interview Questions
Questions Answers Views Company eMail

After a load is done to my target table, I need to insert a last row, which might be formed at some expression transformation and brought to target. Do I have to have separate mapping to be run after the 1st mapping? Or in a single mapping how to achieve this?

TCS,

3 7240

In Joiner Transformation, how to identify the master and detail tables if one is from Oracle and the other is from Sybase.

TCS,

2 10643

What are Rapid changing dimensions?

1 4619

How to load only the first and last record of a flat file into the target?

Mind Tree,

3 8535

what are objects in data warehouse?

Mind Tree,

2 7219

what are challenges that you faced in testing? give solution to it?

1 3659

design of staging area?

1579

Let’s say I have more than have record in source table and I have 3 destination table A,B,C. I have to insert first 1 to 10 records in A then 11 to 20 in B and 21 to 30 in C. Then again from 31 to 40 in A, 41 to 50 in B and 51 to 60 in C……So on up to last record.

5 12418

Source is a flat file and want to load unique and duplicate records separately into two separate targets; right??

4 11244

what kind of issue you will get in environment? (we ll call help desk to raise ticket rite?

TCS,

1609

Which version configuration tool used in ur project?

CTS, TCS,

2758

how you will maintain version?

CTS, TCS,

3 7831

what are 3 tech challenges/ common issues you face?

TCS,

1875

have u done any performance tuning? how u ll do?

IMB, TCS,

1848

Hi , Please help how to achieve the following scenario. I have a source table like this. Rollno name class university 1 Raj 1st Sku 2 Ram 2nd SVU 3 Sam 3rd OU I need the data in the target table like below. Rollno name class university 1 Raj 1st Sku 2 Ram 2nd SVU 3 Sam 3rd OU 4 Rajesh 5th SKU The Last row values we have.. and we have to append this last row in the target table. Thanks and Regards Nataraj V

NTT Data,

3 6017


Post New Informatica Questions

Un-Answered Questions { Informatica }

4 yrs etl devloper roles and responsibilities?any body give solutions

1562


What is the difference between a repository server and a powerhouse?

793


SOURCE DATA IS DISPLAY IN THIS FORMATE IN TARGET . WHAT BUSINESS LOGIC WE CAN APPLY. source table target table ------------ ------------ c1 c2 c3 c1 c2 c3 -- -- -- -- -- -- 1 A J 1 2 B K 2 A 3 C L 3 B J 4 D M 4 C K 5 E N 5 E L F M N

1671


What are the data movement modes in informatica?

688


One of the optimizing technique to improve the session performance is push down optimization,by using push down optimization we push as much as transformation logic to source/target database,but this degrades the d/b performance,how to overcome this?

1743






if i hv 6 table as source table but can i make 12 as a dim table and 6 as fact table belongs to that src table.

1744


How to generate sequence numbers using expression transformation?

624


permutations of mapplet

2025


What are the issues you have faced in your project? How did you overcome those issues?

1901


Under what condition selecting sorted input in aggregator may fail the session?

653


What is repository manager?

524


What is complex mapping?

625


How to join three sources using joiner?

556


Explain the scenario which compels informatica server to reject files?

645


Can we change Dynamic to Static or Persistent cache? If so what happens?

1706