What is the goal of optimizer?
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How do you create surrogate key using ab initio?
After we create a scd table, can we use that particular dimension as a dimension table for star schema?
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 ?
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