The plain-English version
A group of database operations treated as a unit.
Why it matters
It helps prevent partially completed changes.
Let’s make it click
Create an order and its line items as one unit so a failure does not leave an incomplete order.
Vibe Bro’s heads-up
A database transaction does not automatically include an external API request made during the workflow.
The docs behind it
Documentation links checked .
Editorial review · October 28, 2026
Supported: The described atomic unit is the database transaction; external API side effects are not promised to roll back.