What is difference macros and prompts?
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What is a cube in data warehousing concept?
Explain what are the various transformation available?
Explain what is the data type of the surrogate key?
What is critical column?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id 347 what is hybrid slowly changing dimension?
What is your spectra photometer working principles?
Why is dimensional normalization not required?
What is the goal of optimizer?
Explain which columns go to the fact table and which columns go the dimension table?
What is the difference between power center & power mart?
what are different storage options supported by oracle ?
Explain what are the advantages data mining over traditional approaches?