Informatica Interview Questions
Questions Answers Views Company eMail

How do you load only null records into target? Explain through mapping flow.

1499

IN SCD1, insource we have 10 billion records and in the first day its uploaded successfully and in the second day its taking time to upload because some records it might get update or insert new records. As a developer what will be the better solution for this??

555

Tell me about MD5 functions in informatica

519

Tell me about Propagate functions in informatica

520

How to update a particular record in target with out running whole workflow?

1153

How you prepared reports for OLAP?

1149

How you know when to use a static cache and dynamic cache in lookup transformation?

1333

Q. WE ARE LOADING ORACLE TABLE THE PROCESS RUNS THREE HOURS. THIS TABLE IS BEING USED BY SOME DOWNSTREAM TEAMS SO WHAT WE WANT IS IN BETWEEN RUN IS PROGRESS IF ANYONE IS FETCHING THE DATA FROM THE TABLE THEY SHOULD SEE DATA TILL YESTERDAY TILL THAT. AFTER THAT PROCESS IS COMPLETED ONLY THEN TEAM SHULD BE AVAIBLE TO SEE TODAY DATA UPDATED. WE DONOT WANT TO LOG THE TABLE. NEED APROACH FROM YOUR SIDE.

656

Q. We are the loading the table on daily basis it is incremental loading. and A person rahul slary was 10000, so if i check before run my salalr is 10000. but toay there is update that my sal is 15k but that will come to know after the load. braod crtiteria is we donot want to show downstream teams partial updated data. need aproad as etl developer

594

Q. source having mutile depatment of data, dept1, dept2 ....dept10 today. we have mutilple depts in source, we need to generate dept1, dept2 and multile files in target side. today we have 10 dept which have 10 files, tommorow we have only 4 dept and 4 files, dayafter tommorow we have only 6 all the number of files in the targete file directory it's always dynamic. how can acheive it.

593

Q. Informatica workflow, it is running beyond two hours for last couple of runs, normally it completed less then 30 min., hardly 40 min, last couple of run crossing 2 hours and more in that workflow only one session. now it is aasign to you that how to idenitfy the performance issue of the sesion of production.

618

Q. In source area, it is use complex query we have using 5 to 10 table we has been join now all join clolumn having indexes but still we having performance issue. how to fix the performnce issue of the query.

725

Difference between task flow and linear task flow

684


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Un-Answered Questions { Informatica }

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

1525


How many dimensions are there in informatica?

623


What are the transformations that are not supported in mapplet?

593


I need the output file in the below format using Informatica. __0946684800__ 6 1 3 1 5 1 6 1 10 1 6 10 Pos State Time Split AgentID Reason Spaces Code in Code Spare state ______ ___ _____ ______ __________ ______ 1234 14 0 4321 3103 abcd 4321 15 5 123452 3150 Can someone help please?? We need the data in space-delimited, fixed ASCII format .

1467


Which means the first record should come as last record and last record should come as first record and load into the target file?

608






What is the difference between a connected look up and unconnected lookup?

566


What are the various test procedures used to check whether the data is loaded in the backend, performance of the mapping, and quality of the data loaded in informatica?

592


How we can create indexes after completing the loan process?

725


How can a transformation be made reusable?

658


Tell me about Propagate functions in informatica

520


What are the reusable transformations?

695


What is an Integration service in Informatica?

699


Is it possible to create multiple domains on a single Informatica server?

749


What are the basic requirements to join two sources in a source qualifier transformation using default join?

609


can anybody send me some real time screenshots of mapping in informatica powercenter. i will be vary thankful to him. my e-mail id :- prakashkumar.kumhar@gmail.com

4308