ETL Interview Questions
Questions Answers Views Company eMail

Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.

1555

what is meant by drill through?(Mascot)

1 2096

what are the different Reporting and ETL tools available in the market?

3 10943

explain the methodology of Data Warehousing?(Polaries)

1794

what are the concerns of OLTP and DSS systems?

1555

what is the difference between OLTP database and data warehousing database?

4 6039

what is data modeling?

1461

what is the difference steps for data modeling?

1583

what are the data modeling tools you have used?(polaris)

3798

what is the difference between cardinality and Nullability?

2828

what is Forward,Reverse and Re_engineering?

QualTech,

1764

what is the meant by Normalization and de-normalization?

2229

what are the different Reporting and ETL tools available in the market?

3 11985

explain the methodology of Data Warehousing?(Polaries)

1480

what are the concerns of OLTP and DSS systems?

TCS,

1967


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Un-Answered Questions { ETL }

What are the steps involved in etl process?

512


Identifying the bottlenecks in various components of Informatica and resolving them.

1501


what is dynamic insert?

1710


What are the key benefits of ETL Testing?

563


What is etl process? How many steps etl contains?

590






Explain me ETL project architecture in Detail?

1924


what is different between sequential batch and concurrent batch and which is recommended and why?

4449


Do we need an etl tool?

548


What are the different Lookup methods used in Informatica?

513


can cubes contain measures ?

1639


how many maximum session supports to multiload in teradata ??

1688


how would u estimate the size of Lookup transform data and index cache?

1634


What do you understand by active and passive transformations?

546


Explain about round-robi?

621


how do u implement configuration management in Informatica?

4361