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Lecture 00
Lecture 00: Introduction (22 August 2022)
Term | Definition |
---|---|
Data | digital information |
Database | organized collection of structured information |
Database Management System (DBMS) | software tool that controls a database and enables organization and access to data |
Flat Files | a place to write information when exiting and read information when starting |
Flat File Weaknesses Include: | brittleness; no standard format; users must write searching code; messy |
Brittleness | when a program cannot handle a slight modification to data |
Database Management Systems Allow For: | data to be protected from unauthorized changes (centrally located); every program to access data the same way; common formats |
Database Management Systems provide: | documentation (using schemas); code for searching, sorting, and other functions |