How to create ERDs and databases

1. List all entities
2. Find Relationships [E-R matrix]
3. Draw Cardinality
4. Define Primary keys
5. Draw ERD
6. Eliminate many-to-many relationships
7. Identify attributes [attribute entity matrix]
8. Map attributes - only 1:1 with each entity
9. Draw final ERD

Basics of Databases

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Tutorial on "How to Understand a Database Schema

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Firebird RDBMS

Introduction to the open source Firebird Database.

A Very Interesting SQL Tutorial

A great way to learn a little sql database stuff - GalaXQL - Cool interactive sql tutorial toy.