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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 mentionedI have been asked this question in an interview for internship.My question comes from Query Mechanics in chapter Query Optimization of MySQL

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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