There are several reasons to denormalize dat

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• 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

• A
  77% (20)
• B
  4% (1)
• D
  12% (3)
• G
  8% (2)

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