Glossary: SQL Beyond the Basics
Surrogate key
A made-up ID number with no meaning, such as customer_id, used as a primary key. It is safe because names change and repeat, like the two customers called Wes Ford.
Glossary: SQL Beyond the Basics
A made-up ID number with no meaning, such as customer_id, used as a primary key. It is safe because names change and repeat, like the two customers called Wes Ford.