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1.What is data warehousing. Explain? 2.What is a DataMart 3.Explain briefly, what is ETL 4.Describe SDLC, the different phases of SDLC and how it compares

1.What is data warehousing. Explain?

2.What is a DataMart

3.Explain briefly, what is ETL

4.Describe SDLC, the different phases of SDLC and how it compares to prototyping

5.What is data governance

6.What are the causes of poor data quality

7.Explain the architectures of MDM

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