database
ACID Lab
Durability — Forever Saved
Once committed, data survives crashes, power failures, and system restarts.
codeINSERT Statement
INSERT INTO orders (id, customer, product, amount) VALUES (1003, 'Arjun', 'Keyboard', 3500)
table_chartordersTABLE
| ID | Customer | Product | Amount | Status |
|---|---|---|---|---|
| 1001 | Priya | Laptop | ₹75,000 | DISK |
| 1002 | Vikram | Mouse | ₹1,200 | DISK |
descriptionWrite-Ahead Log (WAL)
WAL is empty
terminalSystem Logs