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Informatica Interview Questions
Questions Answers Views Company eMail

Different types of Power center errors?

Cinterco, IBM,

1 7942

Define Update Override?

1 4643

Define error Threshold?

1 4911

Examples of Fatal & Non-Fatal error?

Cap Gemini,

2 22357

Difference Between ETL & ELT?

TCS,

1 7638

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

3 7613

Define Incremental Aggregation?

2 6769

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 8882

Can we use parameters of parameter file in presession command

Wipro,

1 6984

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 8773

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 4943

What is galaxy shema

CGI,

2 6989

which one is better either active or passive transformation in informatica

1 4777

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

2064

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

1 5399


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Un-Answered Questions { Informatica }

While migrating the data from one environment to another environment how would you manage the connections?

1057


Explain the features of connected and unconnected lookup.

889


How does a rank transform differ from aggregator transform functions max and min?

1159


How might you approve all mappings in the archive all the while?

968


Why can't we connect source qualifier and aggrigator transformation to an expression ? Why they resticted to conncet 2 active trasformations to an passive transformation ?

2136


Differences between connected and unconnected lookup?

1149


What are batches?

1028


What is the difference between SOURCE and TARGET BASED COMMITS? What are the deliverables?in your project?

2075


Explain about cumulative Sum or moving sum?

989


Do you find any difficulty while working with flat files as source and target?

1058


What is a sequence generator transformation?

967


Explain lookup transformation is active in informatica

1045


what is the difference between informatica6.1 and infomatica7.1

2203


Hi, I saw one mapping implemented by my seniors . In Expression transformation they implemented following logic. That is iif(is_date(in_UC_DATINV,'YYYYMMDD'),to_date(in_UC_DATINV,'Y YYYMMDD'),'Inventory Date is either invalid or null') Inventory_Date is validated only for is_date() But not validated for notisnull() . But error says “ either invalid or null “ why? Whether is_date() also check for not isnull() ? or in this logic something is different ? Please answer me . Advance thanks

1817


Clarify the utilization of aggregator cache record?

958