164. AQA A Level SLR23 Databases
About this video
AQA Specification Reference
A Level 4.10.1-4.10.2
This video provides a basic introduction to the concepts of databases, it covers: Relational, Flat file, Primary key, Foreign key, Secondary key, Entity relationship modelling, Normalisation and indexing.
Key question:
- What are the key terms associated with databases?
00:00 Databases
00:10 Intro
00:15 What is a database?
00:41 From paper-based to electronic databases
01:08 Basic database concepts and terms
01:40 Flat file database
02:51 Relational database
04:14 Primary and foreign keys
05:01 Types of relationship and entity-relationship diagrams (ERD)
06:11 Entity-relationship diagrams (ERD)
07:02 Types of relationship and entity-relationship diagrams (ERD) continued
07:19 Relational database continued
08:08 Using indexing and secondary keys with database tables
09:12 Key question
09:22 Outro
Last updated: 04.11.25
