Question

What does the Query Optimizer do in RDBMS architecture?

A It compiles SQL queries into low-level machine code for faster execution. Correct Answer Incorrect Answer
B It ensures that data is accurately represented using a schema. Correct Answer Incorrect Answer
C It analyzes SQL queries and determines the most efficient way to execute them. Correct Answer Incorrect Answer
D It automatically optimizes database backups and restores. Correct Answer Incorrect Answer

Solution

It analyzes SQL queries and determines the most efficient way to execute them.

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