Informatica Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Informatica Interview Questions

Questions Answers Views Company eMail

Different types of Power center errors?

Cinterco, IBM,

1 8043

Define Update Override?

1 4738

Define error Threshold?

1 5024

Examples of Fatal & Non-Fatal error?

Cap Gemini,

2 22484

Difference Between ETL & ELT?

TCS,

1 7714

My source contains 10 records with 5 columns.What happens if I select group by all columns in Aggregator T/R?

3 7775

Define Incremental Aggregation?

2 6878

There are 4 source files which contains same metadata create target that should display the file name along with record please send answer with mapping

Wipro,

3 9015

Can we use parameters of parameter file in presession command

Wipro,

1 7087

I have source like this year account month amount ----- --------- ------ -------- 1999 salaries jan 9600 1999 salaries feb 2000 1999 salaries mar 2500 2001 benfits jan 3000 2001 benfits feb 3500 2001 benfits mar 4000 -->i need target like this year account month1 month2 month3 ----- --------- -------- -------- -------- 1999 salaries 9600 2000 2500 2001 benfits 3000 3500 4000

HCL,

4 8911

Hi, I am working on informatia in a support role. We used stored procedures in informatica and other than that I never got a chance to work on PL/SQL,little on Unix scripts. But I heard people asking about PL/SQL alot. Can any one let me know how do we use PL/SQL with informatica and if required what is the knowledge that we need to have on PL/SQL? Please let me know in detail which would really help me alot in my career prospectus.

Accenture,

1 5018

What is galaxy shema

CGI,

2 7074

which one is better either active or passive transformation in informatica

1 4855

HAI FRIENDS THIS KISHORE FROM KUMBAKONAM. I HAVE COMPLETED MY MCA IN SASTRA UNIVERSITY WAITING FOR MY 6 TH SEM RESULT.DURING MY PROJECT I HAVE DONE INFORMATICA COURSE AS MY AREA INTEREST COURSE IN CORE MIND TECHNOLOGIES CHENNAI.I HAVE ENQUIRY ABT ALL IT PEOPLE FOR DATAWAREHOUSING THERE IS NO OPENING FOR FRESHERS. WITH SOME EXPERIENCE ANY OTHER DOMAIN TNEN ONLY U CAN GET THAT DOMAIN(DATAWAREHOUSING) JOB.BUT I AM MORE INTEREST ON THAT TO WORK ON THAT DOMAIN(INFORMATICA).WHAT TO I DO. I AM IN HELPLESS FRIENDS/EXPORTS.WAITING FOR REPLY

2110

What is the difference b/w natural key and surrogate key

1 5482

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Un-Answered Questions { Informatica }

Differentiate between sessions and batches?

1018

Explain transaction control transformation in informatica

1268

Different circumstance which drives informatica server to expel records?

983

What are the challenges you have faced in your Project (DWH- ETL)? Explain with example?

8201

What is the function of union transformation?

1134

what is song in infrmatica...?

2236

State the differences between sql override and lookup override?

1207

How we can use union transformation?

1051

What are the reusable transformations?

1162

Hi, There is a session in my workflow which is running for a long time, atlast we found the cause is the missing index. My session is running via a stored procedure. Can I create an Index on the table which the stored procedure is using while my session is running? Please suggest. My Informatica version is PC 8.0.6 My Oracle APPS is 11.5.3. Thanks,

7186

What are the differences between a connected lookup and unconnected lookup?

1070

Define update strategy?

1223

How does the aggregator transformation handle null values?

1149

How do you load only null records into target?

1216

What is the surrogate key?

1261

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