MySQL is suitable for any application scenario that requires a transactional SQL engine, including mission-critical applications and high-traffic websites. MySQL adheres to the ACID principles, comes with extensions to the ANSI/ISO standard SQL, and supports XML and JSON. MySQL also supports high-availability database clusters and can handle TB-level databases.
Specifically, in our company, almost all business units use RDS. The content stored can generally be inferred from the business name, for example:
Oklink: Mainly stores state data, such as balances.
Support: Mainly stores reconciliation data, logs, community CRM, vulnerability feedback, scoring records, currency lists, and some data related to earning currency.
C2C: Mainly stores orders, commission orders, user, and merchant-related data.
Lightweight, fast, low overall ownership cost, open-source, supports interfaces for multiple language connections and operations.
Supports multiple operating systems.
MySQL has a very flexible and secure permission and password system. When clients connect to the MySQL server, all password transmissions between them are encrypted, and MySQL supports host authentication.
MySQL's support for stored procedures and triggers is not robust.
Although MySQL is theoretically still an open-source product, there have been complaints about slow updates, especially after being acquired by Oracle.
MySQL's support for XML is not adequate.
Does not support complex queries: MySQL database does not support complex queries and cannot effectively handle complex data queries.