In this session, learn what happens in a MySQL 5.7-to-MySQL 8.0 upgrade. Discover how the upgrade precheck tool can help you prepare for your upgrade by identifying old issues in your database and collecting 5.7 metadata and re-establishing it in the uniformly stored MySQL 8.0 data dictionary. Other topics covered include upgrading from 8.0 and onward, going for an automated upgrade experience, and why an automated downgrade is challenging.
Dmitry Lenev has been working on MySQL Database code since 2003. He is currently employed by Oracle, based in Moscow, Russia. He is Senior Software Developer in the Runtime team of the MySQL Database. He has participated in implementation of such MySQL Database features as support for multiple time zones, triggers and new metadata locking subsystem. He has also responsible for some of scalability improvements in MySQL 5.7. He has a degree in Computer Science from the Moscow State Universi