Specifying the foreign key in MySQL

Specifying the foreign key in MySQL is an essential part of database design, ensuring referential integrity between tables. A foreign key is a field or a combination of fields in one table that links to the primary key of another table, establishing a relationship between them. This process helps maintain data consistency by preventing actions that would create orphaned records. The tutorial covers how to define and implement foreign keys in MySQL, allowing users to create meaningful relationships between tables and improve the structure of their databases.

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