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1. Dimension
2. Detail
3. Measure
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What is scd1 , scd2 , scd3?
What is vldb(very large databases)?
Explain what are the advantages and disadvantages of reporting directly against the database?
What are steps we have to follow in designing the userfriendly universe?
What is data type of the surrogate key?
What is difference between model & package?
What is perform recovery?
Explain hybrid slowly changing dimension?
Explain the definition of normalized and denormalized view?
How can we do data cleaning?
Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?
What is recovering sessions?
What is defined as partial backup?
What is the difference between power center & power mart?
What is a data profile?
