Why facts table is useful in representing the data?
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What is load manager?
What is an OLTP (Online Transaction Processing) System?
Explain multivalued dependency?
What is a source qualifier?
How to eliminate duplicate rows from flat file?
Tell me one example for junk dimension?
What are the methodologies of data warehousing?
State any 5 of Cods guidelines of an OLAP system, brief description each?
What is Analysis Services?
After we create a scd table, can we use that particular dimension as a dimension table for star schema?
What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?
Explain what are the various methods of getting incremental records or delta records from the source systems?