Table Descriptions
DR4 Help
 Archive Intro
 Table Descriptions
 Schema Browser
 Introduction to SQL
 Sample SQL Queries
 Query Limits
 How To
 SkyServer Sites
 SkyServer Traffic Page
 Web Browsers
 Site News
 Contact Help Desk

DBColumnsMetaThis table contains an extremely brief description of every column in every table in the database. Because some quantities appear in multiple tables with multiple meanings, a quantity is uniquely defined only within a single table.