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Data Warehousing and ETL Fundamentals
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The following methods can be used for handling slowly changing dimensions
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A
all of the above
💡 Explanation:
Slowly Changing Dimensions (SCD) have three standard handling approaches: Type 1 overwrites existing data; Type 2 inserts new records to preserve history; Type 3 adds new fields. 'All of the above' correctly covers all three approaches plus variations. Options A, B, and C represent individual valid techniques.