Database developers often disagree about whether it’s better to use naturally occurring data or meaningless values as a table’s primary key. Technically, there is no right or wrong to this ...

A primary key is a field used to uniquely identify every record in the database. Sometime primary keys are obvious, for example a car license plate could be used to uniquely identify cars.

When building up a logical design, primary keys should be identified by the actual data points ... Generated keys can be a useful tool in creating logical database designs, but they can be easily over ...