Computer Science · Data Warehousing
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: A Snowflake Schema is characterized by significantly faster query execution compared to a Star Schema because it utilizes normalized dimension tables. Reason R: Normalization in the Snowflake Schema reduces data redundancy by splitting dimension tables into multiple related tables, resulting in lower storage requirements. In the light of the above statements, choose the most appropriate answer from the options given below:
- 1Both A and R are correct and R is the correct explanation of A
- 2Both A and R are correct but R is NOT the correct explanation of A
- 3A is correct but R is not correct
- 4A is not correct but R is correct✓
Correct answer
A is not correct but R is correct
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