Real-world applications
Every system you used today runs on a DBMS
Tap a card to see which specific guarantee it depends on — the same guarantees you just tested in the hospital.
The takeaway
File-based systems did not fail because they were slow. They failed because data had no owner — every department kept its own truth, and nothing in the system could reconcile them. A DBMS moves that responsibility from people to software: one copy of each fact, relationships enforced, access controlled, every change recoverable.
Same hospital. Same staff. Different data architecture — and every one of the eight failures disappears.
Want to re-run any part of the case study?