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The main benefit of denormalization is to: Select one: O O a. saving space in the database by eliminating columns with NULLs b. improve query

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The main benefit of denormalization is to: Select one: O O a. saving space in the database by eliminating columns with NULLs b. improve query speed by reducing the number of table joins c. improve query speed by locating data close to the users d. partitioning the data both vertically and horizontally at the same time

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