# GIS 5577 Week 4
This repository contains the Open Office lecture
### Purpose (Database Design)
1. Normalized vs Denormalized Tables
1. Joins (Inner, Outer, Left, Right)
1. Common Table Expressions vs SubQueries
### Readings
1. Chapters 3 & 4 of Mastering PostGIS
### Additional materials (PDF)
1. PostGIS Raster Cheat Sheet
1. PostGIS Vector Cheat Sheet
1. PostgreSQL Tutorial