Which makes for a better primary key: natural data points or meaningless values? Database developers have strong opinions on this facet of primary key design. This article settles the debate once ...

Primary key 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.

10 tips for choosing between a surrogate and natural primary key Your email has been sent The superiority of surrogate versus natural keys is a hotly debated topic among database developers. Susan ...

The column (field) in a relational database that uniquely identifies the row in the table. For example, account number is often a primary key. A "composite primary key" or "super key" is made up ...