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What jobs “Query Optimizer” perform in Mysql?

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+1 vote
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in MySQL by (122k points)
What jobs “Query Optimizer” perform in Mysql?

(a) Determine the efficient way to execute a query

(b) Syntax errors

(c) Permissions

(d) All of the mentioned

I have been asked this question in an interview for internship.

My question comes from Query Mechanics in chapter Query Optimization of MySQL

1 Answer

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Best answer
Correct option is (a) Determine the efficient way to execute a query

Explanation: Query optimizer is used to find the efficient way to execute a query in Mysql.

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