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ETL Interview Questions
Questions Answers Views Company eMail

SCD2 will work on only dimension tables as well as fact Table?

Infosys,

1402

Which transformation we use to convert 'NA' to 'Not Available'

1271

What is granularity? Please explain with example

IBM,

1 2169

Explain me ETL project architecture in Detail?

Infosys,

2375

In Which Transformation We Can Use Having Clause In Informatica?

1246

Can anyone tell me what are the roles and responsibilities of informatica support ( L1, L2, & L3 ) Team?

IBM, Saama Tech, Wipro,

1 1905

How to increase performance without changing anything in mapping.( In prod)

IBM, Saama Tech, Wipro,

1266

How to recover a workflow? What are the different approaches?( In prod i.e no access to modify)

IBM, Saama Tech, Wipro,

1202

How to delete data which is not in source table?

IBM, Saama Tech, Wipro,

1347

What are the different ways to deploy the code in informatica?

IBM, Saama Tech, Wipro,

1 2437

I have two tables in two different database, so to join these tables which transformation will be better joiner transformation or lookup transformation?

Accenture, Saama Tech, TCS,

2 3797

What is data modeling and data mining?

982

What are the ETL Testing Operations?

1056

Explain the use lookup tables and Aggregate tables?

978

What is data cleaning?

948


Post New ETL Questions

Un-Answered Questions { ETL }

How etl testing is different from database testing?

1056


Give the benefits of data integration suite?

924


What is abap? What are idocs?

968


What is partitioning? Explain about round-robin, hash partitioning.

969


How to fine tune mappings?

947


How many steps etl contains explain with example?

974


Compare ETL & Manual development?

957


how to connect to a flatfile through ftp in informatica

14308


can u please tell me about ........ how can explain my project before interviewer my projects are insurence domain & sales domain?

2190


What are the names of the layers in etl?

1002


tell me few points when u become TL

2563


Dear All, Can anyone tell me that from where i can get Power Center 8.5 S/W for Linux and how can i install Power Center 8.5 or any 7.x series on Linux Platform. Thanks in advance

2236


how can i text accracy of ETL migration? i am very new to data warehousing. we are writing ETL scripts using SCRIPELLA tool. how can i test the correctness of data. and we are generating reports using pentaho . is there any easy way to test the pentaho. how can test these ETL scripts written in scriptella? thanks in advance

2539


Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?

1897


Hi, can anyone plz share the project architecture for etl testing(banking domain) plz explain the architecture .

3027