When you create a Microsoft Access table, Access will automatically create a primary key to your database table. Still, you can also specify the field you want as the primary key for your database ...

The superiority of surrogate versus natural keys is a hotly debated topic among database developers. Susan Harkins offers some insights into when — and why — you might choose one over the other.

One of the principles within relational theory is that each entity’s row or tuple be uniquely identifiable. This means the defined structure includes some combination of attributes whose populated ...