What are the different types of join operations?
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What are situations where snow flake schema is better than star schema to use and when the opposite is true?
What is the difference between data warehouse and operational systems?
What are the possible data marts in retail sales?
How can you set the session management?
Briefly state different between data ware house & data mart?
Explain what are the advantages and disadvantages of reporting directly against the database?
Hierarchy of DWH?
2 Answers Accenture, EDS, IBM, iFlex, TCS,
Explain what is the difference between olap and datawarehosue?
Explain how are the dimension tables designed?
What is called data cleaning?
What do you mean by static and local variable?
Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?