Instant DDL has been one of the most requested InnoDB features for a very long time. With ever larger and rapidly growing datasets the ability to do DDL instantly is a must have feature in any web scale database. Developers constantly need to add new columns to meet the constantly changing business requirements. …
Tag Archives: DDL operation
Upgrading old MySQL-5.5 format temporals to MySQL-5.6 format.
The temporal datatypes ‘TIME/DATETIME/TIMESTAMP’ supports fractional values starting from MySQL 5.6.4 version. Hence the storage requirement and encoding differs in comparison to pre- MySQL 5.6.4 temporal datatypes.
As mentioned in the section ‘Upgrading from MySQL 5.5 to 5.6’,
http://dev.mysql.com/doc/refman/5.6/en/upgrading-from-previous-series.html
Once you have imported the pre-MySQL 5.6.4…