Glossary: System Design Basics in PHP
Atomic
Also written: atomic update
An operation that is one step and can't be split, so nothing can happen between the check and the change. A single `UPDATE ... WHERE qty >= ?` is atomic.
Glossary: System Design Basics in PHP
Also written: atomic update
An operation that is one step and can't be split, so nothing can happen between the check and the change. A single `UPDATE ... WHERE qty >= ?` is atomic.