Computer Science / Unit 8 CS 0413 short lesson, about 20 seconds
The Database Management System
Captions available
The idea
A database management system is the software package used to define, create, use, and maintain a database with appropriate security — the system standing between every user and the data.
In practice
A transit agency's ridership records live behind one such system, not in loose files.
Where people slip
The database approach beat file storage on efficiency, consistency, maintenance.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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