What is the difference between snowflake and star schema? What are situations where snowflake schema is better than star schema when the opposite is true?
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Where we use surrogate key explain with example?
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Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meet the condition 333 after we create a scd table, can we use that particular dimension as a dimension table for star schema?
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What is is a star schema?