Data Model & Concept Of Keys (Video)

In this SS 3 Computer Studies video lesson, we examine the Concept of Keys in Data Models, a crucial topic in database management and information systems.

Understanding how keys work in relational databases helps students prepare for real-world IT scenarios as well as WAEC and NECO exams.

This lesson explains:

1. What Data Models are in databases
2. The types of keys: Primary Key, Foreign Key, Candidate Key, and Composite Key
3. The functions of keys in linking and organizing data in relational tables
4. Practical examples showing how keys enforce data integrity and eliminate redundancy

This video simplifies a technical topic into an easy-to-understand format with diagrams and use cases, giving SS 3 students a solid foundation in database concepts.

See also:

See also:

SS 3 Data Processing Video Lessons | WAEC & NECO Syllabus (TV)

SS 3 Video Lessons | WAEC & NECO Approved

JSS 1 – SS 3 Educational Video Lessons (TV)

Maintenance Of Computer Hardware Part 1 (Video) | SS 3 Data Processing

Database Security (Video)