I am having a problem when I try to push value into a foreign key in MySQL table I don't know if it's correct but I have used the GET method to pass the primary key through a link but it didn't work ...

By using an ER model, you can identify the primary keys and the foreign keys of each table, and how they relate ... such as SQL Server, Oracle, MySQL, and PostgreSQL, but some general principles ...

Here’s an example to make this clearer: If we have a database table labeled, say, “orders,” and we have a foreign key that’s labeled “customers,” we could perhaps link that foreign key to a primary ...