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Which of the following columns is not returned by ‘OPTIMIZE TABLE’?

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Which of the following columns is not returned by ‘OPTIMIZE TABLE’?

(a) Table

(b) Op

(c) Msg_type

(d) Msg_txt

The question was posed to me during an interview.

My question is based upon Principles of Preventive Maintenance topic in portion Database Maintenance, Backups and Replication of MySQL

1 Answer

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Best answer
Correct answer is (d) Msg_txt

For explanation: ‘OPTIMIZE TABLE’ table catches and throws any errors that occur while copying table statistics from the old file to the newly created file. It returns a result set of columns.

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