In this chapter, we have covered all the new exciting features of MySQL 8.0 and their functionalities, and reviewed deprecated and removed features. We have seen the main reasons why Oracle has gone so far with its development of the global data dictionary in MySQL 8.0.
We covered MySQL support roles and history; we covered one new feature on the MySQL server, in which you can now create roles, specify their privileges, and assign them to users. We learned that a new feature that Oracle has added to MySQL 8.0 is the creation and management of resource groups; we can assign threads to particular groups so that these threads run according to the resources available to the group. We also looked at enhancements in InnoDB and JSON, and we learned about invisible indexes from MySQL's optimizer. Lastly, we looked at features that have been deprecated and removed from MySQL...