MySQL 8 and MySQL 5.7 are both popular versions of the MySQL database management system. Here are some of the key differences between the two versions:
Performance: MySQL 8 has significant performance improvements over MySQL 5.7 due to its enhanced query optimizer, faster replication, and improved support for multi-threading.
Security: MySQL 8 introduces several new security features such as password expiration policies, improved default security settings, and support for the OpenSSL library.
Data Integrity: MySQL 8 introduces several new data integrity features such as the ability to define foreign keys that reference non-primary key columns, instant add column, and rename column, which help to maintain data integrity.
JSON Support: MySQL 8 has better JSON support, including new functions and operators for working with JSON data types.
CTE Support: MySQL 8 supports Common Table Expressions (CTEs) which simplify complex queries and make them easier to read and understand.
InnoDB enhancements: MySQL 8 introduces several new InnoDB storage engine enhancements, including support for full-text searches in InnoDB tables, table compression, and new data dictionary.
Overall, MySQL 8 is a significant upgrade over MySQL 5.7, with improved performance, security, data integrity, and additional features.
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