Computer Science / Unit 8 CS 0425 short lesson, about 20 seconds
ACID
Captions available
The idea
Transactions satisfy four properties: atomicity executes the unit whole or not at all, consistency admits only valid data, isolation shields concurrent users from each other, durability makes completed work stick.
In practice
The three-course registration lands entirely or fails entirely — no student half-enrolled.
Where people slip
Four guarantees, one acronym, each separately enforced.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
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