ISIS

Abstract

ISIS IS an experimental system for graphically manlpulatmg a database The system 1s based on a simply specified high-level semantic data model It demonstrates the capablbtles of a workstation environment by mtegratmg three aspects of database programming m one graphical setting Namely, it permits database constructlon and modification, it allows browsing at the schema and data levels, and provides a graphical query language In all of these activities it maintains uniform graphlcal representations and consistent user mteractlon techniques