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Which of the following columns is not returned by ‘OPTIMIZE TABLE’?(a) Table(b) Op(c) Msg_type(d) Msg_txtThe 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

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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