1MySQL is a very fast, multi-threaded, multi-user and robust SQL 2(Structured Query Language) database server. 3The new features in MySQL 8.0. In addition to Data Dictionnary and CTEs are: 4 Move to utf8(mb4) as MySQL's default character set 5 Language specific case insensitive collation for 21 languages (utf8) 6 Invisible index 7 Descending indexes 8 Improve usability of UUID and IPV6 manipulations 9 SQL roles - SET PERSIST for global variable values 10 Performance Schema, instrumenting data locks 11 Performance Schema, instrumenting error messages 12 Improved cost model with histograms 13