Glossary

The words, without the shrug

Every term the courses use, defined in one line and then in a paragraph. Written to be read out of order.

Showing 1 of 1 matching “Foreign key”

Foreign key

Data & Databases

A column pointing at another table’s row.

How a relationship is stored: an order holds the id of its customer. The database can enforce that the referenced row exists, making a whole class of corruption impossible.