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FSOT Full Test Bank

Category - Computers

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What is the main disadvantage of relational databases?

The relationships between datasets must be known.
Data tags must be determined in advance.
They restrict the possible uses of the database.
There is redundant data.

Explanation

Answer: D - The main disadvantage of relational databases is the presence of redundant data. This redundant data takes up extra memory space and must be managed carefully to ensure that inconsistencies do not sneak into the system. The process of organizing a relational database to minimize redundancy is called normalization.

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