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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.

 1562

what is meant by drill through?(Mascot)

 1 2106

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

 3 10968

explain the methodology of Data Warehousing?(Polaries)

 1802

what are the concerns of OLTP and DSS systems?

 1559

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

 4 6067

what is data modeling?

 1471

what is the difference steps for data modeling?

 1591

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

 3805

what is the difference between cardinality and Nullability?

 2834

what is Forward,Reverse and Re_engineering?

QualTech,

1773

what is the meant by Normalization and de-normalization?

 2237

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

 3 11999

explain the methodology of Data Warehousing?(Polaries)

 1484

what are the concerns of OLTP and DSS systems?

TCS,

1974

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Un-Answered Questions { ETL }

What is the difference between round-robin partitioning and hash partitioning?

551

Compare etl & elt?

558

how to connect to a flatfile through ftp in informatica

13446

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

1508

Can anyone explain me a scenario from banking and finance...more precisely a mapping

2065




How many steps etl contains explain with example?

483

what is data modeling?

1471

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

1554

What is data modeling and data mining?

558

what are the concerns of OLTP and DSS systems?

1974

What is a staging area? What is the purpose of a staging area?

493

What are snapshots?

542

Can there be sub steps of etl steps?

536

what is granularity in Data ware House?

1165

if i have a query as flat file how can we load data to target table

978

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