MySQL 8.0.0 was released today. It has been some time in the making, shrouded in a veil of secrecy for over one year. We knew, from listening to the gossip and looking at the few available previews, some of what was going to bring. So, for the observant users, its main features may not come as a surprise. For the rest of you, here's a quick roundup:
- No MyISAM tables anymore! The grant tables are now InnoDB, meaning that grant operations are now atomic.
- A real data dictionary. This change is less visible than the previous one. The data dictionary tables are hidden and only a subset of the data is available through information_schema views. The reason for the hidden tables is to allow a stable interface through several versions. I am …