Explain what is a cube in data warehousing concept?
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Explain datawarehousing?
Explain what are data marts?
What is Analysis Services?
What is the difference between olap and datawarehosue?
What is Grain & Granularity in Data Warehouse.
What are the difference between snow flake and star schema?
What is a source qualifier?
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?
What is a junk dimension? What is the difference between junk dimension and degenerated dimension?
what is query optimizer? what are different types of optimizer s supported by oracle ?
What is static and local variable?
What are different deliverables according to phases?