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Answer: Balance the design between query performance and data integrity, including strategies for managing slowly changing dimensions.
A well-designed star schema must balance query performance with data integrity, especially when dealing with slowly changing dimensions. This involves careful planning of dimension tables and fact tables to ensure both accuracy and efficiency.
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You are designing a semantic model for a financial services company that requires a robust star schema implementation. Describe the steps you would take to ensure the star schema is optimized for query performance and data integrity, including the handling of slowly changing dimensions.
A
Implement a star schema without considering slowly changing dimensions.
B
Design the star schema focusing only on query performance.
C
Balance the design between query performance and data integrity, including strategies for managing slowly changing dimensions.
D
Ignore data integrity to prioritize query performance.