TOP 10 MySQL 8.0 features for DBAs & OPS

Here’s a list of the TOP 10 MySQL 8.0 features for DBAs and OPS, with some detailed explanations of what they are and links to more information.  The features covered are:

1. Temporary Tables Improvements
2. Persistent global variables
3. No more InnoDB System Tables
4. Reclaim UNDO space from large transactions
5. UTF8 performance
6. Removing Query Cache
7. Atomic DDLs
8. Faster & More Complete Performance Schema (Histograms, Indexes, …) and Information Schema
9. ROLES
10. REDO & UNDO logs encrypted if tablespace is encrypted