KwickClips Databases and SQL · 39 sec · free
Where does your school store marks?
Short answer. In a database.
What keeps a train seat from being sold twice?
The reservation database.
Two real databases
| Where | Stores |
|---|---|
| School | marks, fees |
| Railways | seats, PNR |
Remember
| School: students, marks, fees |
| Railways: seats and PNR |
Where do you use a database every day? Your school stores students, marks and fees. Indian Railways stores seats and P N R numbers. One seat is never sold twice. Schools store records. Railways store seat bookings.
This clip is from the full lesson: Why Databases: Data, Information and the DBMS — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Information Technology (402), CBSE Class 12 Computer Science (083), CBSE Class 11 Informatics Practices (065), CBSE Class 12 Informatics Practices (065)
More KwickClips from this lesson
Disclaimer. KwickAcademy is free study material for general learning and revision. Parts of it, including the voice-over, are produced with the help of AI tools and may contain errors; if you spot one, please tell us and we will correct it. Syllabus, marks and exam details follow the latest official board publications available to us, and boards can change them at any time, so always confirm against your board's official website and your school. Using this material does not guarantee any marks or result. Board names and trademarks belong to their owners; Kwickprep is not affiliated with or endorsed by any examination board. We never ask for passwords, OTPs or ID numbers. Your progress is saved only in this browser. Full disclaimer · Privacy