What is the main difference between star and snowflake star schema? Which one is better and why?
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Compare ?Data mining? and ?Data Warehousing??
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If I have table T1 and table T2 T1 has 250 cols and 10,000 rows T2 has 2 billion rows and 10 cols Which one would be Fact table and which one would be Dimension table and why ?
3 Answers Extech, Principal Finance,
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Teradata 
