What is type 2 version dimension?
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Tell me one example for junk dimension?
What are the key columns in Fact and dimension tables?
What is Sequence clustering algorithm?
What is difference between a connected look up and unconnected look up?
Ist the schema that a data warehouse system can implements.
What is the difference between a data warehouse and a data mart?
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Explain what is the difference between datawarehouse and bi?
Explain what are the various methods of getting incremental records or delta records from the source systems?
Explain what are fact, dimension, and measure?
Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?
Explain what does level of granularity of a fact table signify?
What is surrogate key?