PolarDB - New Version Fully Compatible with MySQL 5.7 Released
Target customers: MySQL 5.7 users, including the users who use on-premises data centers, on-premises Elastic Compute Service (ECS) instances, and Relational Database Service (RDS). Features released: PolarDB for MySQL 5.7 is now officially released and charged. This version is fully compatible with MySQL 5.7. You can use this service to implement MySQL 5.7 features.