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Data Warehouse Interview Questions
Questions Answers Views Company eMail

How can we delete duplicate rows from flat files?

 847

Differentiate between a database and data warehouse?

 750

How we can use union transformation?

 692

What do you understand by a term domain?

 768

Define joiner transformation?

 672

Define enterprise data warehousing?

 740

Write the advantages of partitioning a session?

 852

Under what condition selecting sorted input in aggregator may fail the session?

 749

Differentiate between a repository server and a powerhouse?

 669

Explain sessions. Explain how batches are used to combine executions?

 693

What are mapplets?

 908

What are data-driven sessions?

 816

How many numbers of sessions can one group in batches?

 697

How many repositories can be created in informatica?

 1 1197

Define update strategy?

 717

Un-Answered Questions { Data Warehouse }

Can you define framework manager?

697

What is expression transformation?

718

Which lifecycle we will use for reporting?

650

What are the important Features of Redshift?

5

What are the different operating system platforms in which we can use sas? : sas-grid-administration

682




Lookup constraints

938

What can we do with datastage director?

766

What is informatica?

769

What is the difference between check point and phase?

762

What is real time and near real time data warehousing?

760

What do you understand by active and passive transformations?

620

Can you create an event based schedule in microstrategy? How?

694

If the PMON is not working then how do you identify and monitor all the processes, resources and sessions ?

1835

Define Merge?

981

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3158

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