How to establish foreign key constraints using phpmyadmin
Click on the database where you want to add foreign keys
Click on the tables that need to create foreign key constraints one by one (I use user as an example)
Click operation
Modify the storage engine in the table options (the process of modifying other tables is omitted here) (For tables with foreign key constraints, the storage engine remains consistent )
Click on the table where you want to add a foreign key
Point structure
Click on the associated view
Add foreign key
Click to save
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