InnoDB: is a reliable transaction processing engine, it does not support full-text search.
MEMORY: The function is equivalent to MyISAM. Since the data is stored in memory, it is very fast and suitable for temporary tables.
MyISAM: An extremely high-performance engine that supports full-text search but does not support transaction processing.
One thing to note when using mixed engines: foreign keys cannot cross engines
The above is the content of the engine in mysql. For more related content, please pay attention to the PHP Chinese website (www.php.cn) !