Top 50 things you should know before migrating from Oracle to Mysql
1. The performance of subquery optimization is not good.
2. Weak processing of complex queries
3. The query optimizer is not mature enough
4. Insufficient performance optimization tools and measurement information
5. The audit function is relatively weak
6. The security function is immature, and it can even be said to be rough. There is no concept of user groups and roles, and there is no function to recover…