How to create foreign key constraints in phpmyadmin

Select the database where you want to add foreign keys

Select the tables one by one (this article uses user as an example)

Select [Operation]

#Modify the storage engine in the table options (make sure the storage engine of the table creating the foreign key is the same)

Select the table to which you want to add a foreign key

Select the structure

Select the associated view

Add foreign key

Click Save

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