When referring to geographic features, feature classes include point, line, area, and surface. Within the United States, coordinate control is based on the National Geodetic Survey's published control points and is a basis for collecting data. The United States Federal Geographic Data Committee. In a database, another term for column . An electronic device that collects and stores observation information from survey instruments.
Files are the logical units managed on disk by the computer's operating system.
Files may be stored on tapes or disks. The process of copying data from one computer to another or one DBMS to another. The Federal Information Processing Standards. Courier, Helvetica and Times are three types of font. One or more table attributes that can uniquely identify a record in another table.