What is the difference between junk dimension and degenerated dimension?
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What is aggregate fact table?
What is Snow Flake Schema design in database?
Fact table is in normalized or de-normalized form?
DWH architecture?
What is VLDB?
What are the steps of implementing data warehousing?
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wht is degenerated dimension ?it's uses?
What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
Explain what are the vaious etl tools in the market?
State any 5 of Cods guidelines of an OLAP system, brief description each?
What is your spectra photometer working principles?