Scenario: A financial institution wants to analyze customer behavior patterns, including changes in account status and product subscriptions. Which Slowly Changing Dimensions (SCD) technique would you suggest and how would you implement it?
- Type 1 SCD
- Type 2 SCD
- Type 3 SCD
- Type 4 SCD
For analyzing customer behavior patterns, including changes in account status and product subscriptions, Type 3 Slowly Changing Dimensions (SCD) would be suggested. This type involves creating a separate table to store only the changed attributes, reducing redundancy while still providing historical information for analysis.
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