Learning Track 1: Design a Relational Database System. This Learning Track shows you how to design a relational database system for a small business using normalization and entity-relationship diagrams. The system you will be developing is for a small but growing barber shop/hair salon business.

Database Design, Normalization, and Entity-Relationship Diagramming

Learning Track 2: Brief Introduction to SQL. This Learning Track provides a brief introduction to Structured Query Language (SQL), the standard language for relational database management systems.

Introduction to SQL

Learning Track 3: Hierarchical and Network Data Models. This Learning Track explores older hierarchical and network data models which are still used by legacy applications in many organizations and business firms.

Hierarchical and Network Data Models