Informatica Interview Questions
Questions Answers Views Company eMail

Different types of Power center errors?

Cinterco, IBM,

1 7156

Define Update Override?

1 3921

Define error Threshold?

1 4110

Examples of Fatal & Non-Fatal error?

Cap Gemini,

2 20728

Difference Between ETL & ELT?

TCS,

1 6961

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

3 6188

Define Incremental Aggregation?

2 5320

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 7640

Can we use parameters of parameter file in presession command

Wipro,

1 6261

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 7624

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 4198

What is galaxy shema

CGI,

2 6011

which one is better either active or passive transformation in informatica

1 4141

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

1677

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

1 4709


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Un-Answered Questions { Informatica }

Design a mapping to load a target table with the following values from the above source?

866


Explain what transformation and how many are there in informatica?

476


What are the components of Informatica? And what is the purpose of each?

606


What are junk dimensions?

622


rank() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid order by case when opt2.dm_market_flg in ('Y', 'U') then 1 else 2 end, lkp.contact_rank) as rank1, case opt2.contact_type when 'Buyer' then row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc, ship_to_flg desc , last_order_dt desc) when 'Decision Maker' then row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc , last_quote_dt desc , mailability_score desc , source_ranking desc) when 'Influencer' then row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc, mailability_score desc, source_ranking desc) when 'Payer' then row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc, mailability_score desc, source_ranking desc) --elu 05/28/2013 else row_number() over (partition by opt2.dim_plat_site_id, opt2.dim_site_opt_sid, lkp.contact_rank order by has_name_flg desc, mailability_score desc, source_ranking desc) end rank2 row_number() over (partition by opt3.dim_plat_site_id, opt3.dim_site_opt_sid order by rank1,rank2) as "rank", case when "rank"<= opt3.maximum_value then 'Y' else 'N' end as include_flg

1519






Briefly define a session task?

582


write a query to retrieve the latest records from the table sorted by version(scd)

625


i had a source containing business,sales,details column and i have to load it to a target but i have some bad records in it , but i have to load 70% of business records and 50% of sales and 95% of details records excluding bad records to achieve this what should be done and what all logic and tx should be used can anyone help? thanks in advance

1661


What is difference between a gateway node and worker node?

610


Mention few advantages of router transformation over filter transformation.

626


How to handle decimal places while importing a flatfile into informatica?

710


-Which expression we can not use in Maplets?, -Can we join(relate) two dimensions in a schema? -Why and where we use 'sorted input' option?

4951


how can we find the bottle neck in SQL Query in SOURCE QUALIFIER, and how can we tune it..?

5749


Define mapping and session?

577


Target increases every day even though no new record was inserted

1098