Table Descriptions
Help
 Archive Intro
 Table Descriptions
 Schema Browser
 Glossary
 Algorithms
 Introduction to SQL
 Form Query User Guide
 Query Limits
 How To
 FAQ
 API
 sdssQA
 Download
 SkyServer Sites
 SkyServer Traffic Page
 Web Browsers
 Contact Help Desk

nametypetext
RegionGeometryThis table stores the descriptions of regions which describe various boundaries in the survey. These are represented by equations of 3D planes, intersecting the unit sphere, describing great and small circles, respectively.