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What is default storage engine in the latest version of MySQL?
InnoDB
The default engine is InnoDB in MySQL 5.7. You can specify the default engine by using the –default-storage-engine server startup option, or by setting the default-storage-engine option in the my.
How do I change the default storage engine in MySQL?
When you omit the ENGINE option, the default storage engine is used. The default engine is InnoDB in MySQL 8.0. You can specify the default engine by using the –default-storage-engine server startup option, or by setting the default-storage-engine option in the my. cnf configuration file.
What happens during a major upgrade of MySQL?
During a major version upgrade of MySQL, Amazon RDS runs the MySQL binary mysql_upgrade to upgrade tables, if necessary. Also, Amazon RDS empties the slow_log and general_log tables during a major version upgrade. To preserve log information, save the log contents before the major version upgrade.
Can a DB instance be upgraded to MySQL 5.7?
When upgrading a DB instance to MySQL version 5.7, MySQL forces the conversion of all date and time column types to the new format. Because this conversion rebuilds your tables, it might take a considerable amount of time to complete the DB instance upgrade.
What are the requirements for upgrading to MySQL 8.0.13?
Before upgrading to MySQL 8.0.13 or higher, there must be no table partitions that reside in shared InnoDB tablespaces. There must be no queries and stored program definitions from MySQL 8.0.12 or lower that use ASC or DESC qualifiers for GROUP BY clauses.
How to upgrade Amazon RDS to MySQL version 5.6?
To perform a major version upgrade for a MySQL version 5.5 DB instance on Amazon RDS to MySQL version 5.6 or later, first perform any available OS updates. After OS updates are complete, upgrade to each major version: 5.5 to 5.6, then 5.6 to 5.7, and then 5.7 to 8.0.