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Differentiate between relational database management systems (RDBMS),  databases, and data files.

Week 3: Spatial Data Models

Objectives

•Provide a definition of a ‘spatial data model’•Explain how spatial entities are used to create a data  model•Distinguish between rasters and vectors•Describe a spatial data structure•Explain what topology is•List the advantages and disadvantages of different  types of spatial models

Week 4: Relational Database Management

Objectives

•Differentiate between relational database management systems (RDBMS),  databases, and data files.

•Explain why we select the database approach for GIS

•Define what a relational database is

•Describe how databases are created

•Describe GIS database applications

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