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MySQL Workbench Manual / ... / Extending Workbench / Tutorial: Writing Plugins / Tutorial: Generating Foreign Keys with MyISAM
- 18.2 The MyISAM Storage Engine
In MySQL 8.4, it is normally necessary to use ENGINE to...
- 18.2 The MyISAM Storage Engine
In MySQL 8.4, it is normally necessary to use ENGINE to specify the MyISAM storage engine because InnoDB is the default engine. You can check or repair MyISAM tables with the mysqlcheck client or myisamchk utility.
Use the MyISAM storage engine for read-heavy workloads and applications that require full-text search capabilities. MyISAM storage engine doesn’t support some important features such as transactions and foreign keys, which are essential for data integrity in many applications.
You are advised to use foreign keys that reference only UNIQUE (including PRIMARY) and NOT NULL keys. For storage engines that do not support foreign keys (such as MyISAM), MySQL Server parses and ignores foreign key specifications.
8 kwi 2019 · How do I get a list of all foreign key constraints pointing TO (and FROM) a particular table and/or a particular column from a MySQL database built with MyISAM? This is the same as this InnoDB question, but MyISAM specific for MySQL. Consider the canonical airlines dataset.
28 lis 2019 · I need to migrate a lot of mysql MyISAM table to a new InnoDb version, adding foreign key constraints. I can dump and import, disabling first foreign key checks. But is there a way to check which
The recommended engine to use foreign keys is InnoDB, and honestly, for 99% of cases InnoDB is better. You can easily change all your database to use InnoDB instead of MyISAM: add default_storage_engine = InnoDB to /etc/mysql/my.cnf (or equivalent)
