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O Question 18 1 pts Denormalization has what effect on the number of tables in a database? O O O O It has no effect

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O Question 18 1 pts Denormalization has what effect on the number of tables in a database? O O O O It has no effect on the number of tables. It increases the number of tables. It may increase or decrease the number of tables. It decreases the number of tables. Question 19 1 pts Which of the following would be a reason to denormalize a relation? O Hide data from end user End user preference Improve performance Relax security O O

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