Level 2: Data · L2.4 Transactions & isolation
ACID for real
Explain what each ACID letter guarantees and what it doesn't.
12 min · Pro
What you take away
- Atomicity is all-or-nothing on abort or crash — it says nothing about what other transactions see meanwhile.
And 3 more inside the class, in Pro.
How the class is laid out
- The problem
- The simple version
- What each letter actually promises
- Check your understanding