What is an alternative method to create a primary key for a table?Let Access generate a primary key by saving the table.Use an online source to generate a primary key.Select a wizard in the 'Database Tools' tab for a key.Right-click on the field and select the 'Primary Key' in the pop-up menu.

Which MySQL command helps to add a primary key constraint to any table that has already veen created? - Informatics Practices | Shaalaa.com

How to add primary key constraint in Sequelize

SQL Foreign key

Definition of foreign key

Adding foreign key to a table using Sequelize