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Answer to Question #76081 in Databases | SQL | Oracle | MS Access for Jonny

Question #76081
What is the main benefit of denormalizing a normalized table?


Less data redundancy


Less space needed


More security


Improved speed of data retrieval
Expert's answer
The correct answer is: Improved speed of data retrieval.
Instruction “JOIN” requires quite a lot of time to perform.
Denormalization reduces the number of “JOINs” and improves speed of data
retrieval due to this.

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