Explain a mapping, session, worklet, workflow, mapplet?


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More Data Warehouse General Interview Questions

How much data hold in one universe.

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Explain difference between snow flake and star schema. What are situations where snow flake schema is better than star schema to use and when the opposite is true?

0 Answers  


Where can one get more info about Data Warehousing?

3 Answers   TCS,


What is operational data store (ods)?

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Explain er diagram?

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What is the difference between filter and lookup transformation?

0 Answers  


Why we use repository connectivity?

0 Answers  


How can you define a transformation? What are different types of transformations in Informatica?

7 Answers   TCS,


1.WHAT IS DATA MART ?

5 Answers   HCL,


What is factless fact schema?

2 Answers  


What are session timeout and application timeout? Where we have to do this process?

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What are situations where snowflake schema is better than star schema when the opposite is true?

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