CDMP
DMF-1220 · Question #240
DMF-1220 Question #240: Real Exam Question with Answer & Explanation
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Question
There are several reasons to denormalize dat
Options
- AThe first is to improve performance by:
- BCreating smaller copies of fata to reduce costly run-time calculations and/or table scans of large
- CNone of the above
- DPre-calculating and sorting costly data calculations to avoid runt-time system resource competition.
- EMaking tables more readable when no foreign key exists
- FCombining data from multiple other tables in advance to avoid costly run-time joins
- GAll of the above
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