For InnoDB tables in mysqldump an online backup that takes no locks on tables can be performed by which option?(a) –multiple-transaction(b) –single-transaction(c) –double-transaction(d) –no-transactionThis question was addressed to me in an interview for internship.My question is from String Data Types topic in division Data Type Reference, Operators and Functions of MySQL

For InnoDB tables in mysqldump an online backup that takes no locks on

1.	For InnoDB tables in mysqldump an online backup that takes no locks on tables can be performed by which option?(a) –multiple-transaction(b) –single-transaction(c) –double-transaction(d) –no-transactionThis question was addressed to me in an interview for internship.My question is from String Data Types topic in division Data Type Reference, Operators and Functions of MySQL
Answer» The correct answer is (b) –single-transaction Explanation: For INNODB tables it is possible to perform an online BACKUP that takes no locks on tables USING the option ‘–single-transaction’ to ‘mysqldump’. The ‘mysqldump’ can make BACKUPS.

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