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What is an er diagram?


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More Data Warehouse General Interview Questions

Give me a broad concept of what a data warehouse is, and what it might be used for?

2 Answers  


How to pivot data using informatica when you have variable amount of pivot rows?

0 Answers  


Which one among Star and snowflake schemas will occupy more space?

1 Answers   Barclays,


Hi, i want to do certification in datawarehouse?? which certification is best in current trend?? pls mention the cost also if u can....

0 Answers  


what are relationships?

0 Answers   InfoAxon Technologies,


4.Explain Snowflkeschema ?

6 Answers   EDS, HCL, IBM, iFlex, TCS,


What is hash partition?

3 Answers   TCS,


If your client approaches you and says that he wants to create a Datawarehouse, and provides just the info regarding his source systems. What are all the neccessary actions one is supposed to take/understand and get back with a comprehensive document which convinces the client to proceed with the DW initiative. What are all the documents we need to provide the client?

1 Answers   CSC,


Explain what is the metadata extension?

0 Answers  


How to generate the cubes in framework manager?

0 Answers  


What is the difference between OLAP, ROLAP, MOLAP and HOLAP?

2 Answers  


Explain what is ods (operation data source)?

0 Answers  


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