Glossary for Geospatial Science

  Technical vocabulary defined by MicroImages


book Glossary

computed field:� A field in a database table with a value calculated from the values of other fields in the same or different tables of a single database.� You define the expression used to generate the values for a computed field using the same language and syntax employed for database queries.� The appropriate record values for use in a computed field are determined through primary and foreign key relationships or by element attachment.