What is a staging area? Do we need it? What is the purpose of a staging area?
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Explain in detail abt measure objects? And what is the use of it? How to create it?
Can we have more than one time dimensions in a Schema(Star or Snowflake)
What are different stages of ?Data mining??
Explain me what is vldb?
Explain is fact table?
What is junk dimension? What is the difference between junk dimension and degenerated dimension?
What is the very basic difference between data warehouse and operational databases?
What is hash partition?
Explain the different types of data warehousing?
Why facts table is useful in representing the data?
What is Time Series algorithm in data mining?
Explain what type of indexing mechanism do we need to use for a typical datawarehouse?