Explain vldb?
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Explain why are oltp database designs not generally a good idea for a data warehouse?
What is surrogate key?
what are the types of dimension tables
What is confirmed dimension?
Explain in simple terms, the concept of Data Mining.
Explain what is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
What is the difference between OLAP, ROLAP, MOLAP and HOLAP?
What are different deliverables according to phases?
Suppose date is 05sep2005; I want the output like 05sep2005:00:00:00 ; how it will come?
what is difference between Independent Data Mart Dependent Data Mart 1- 1- 2- 2- 3- 3- 4- 4-
What is is a star schema?
What is the difference between connected and unconnected stored procedures?