The entity-relationship model—toward a unified view of data
ACM Transactions on Database Systems (TODS) - Special issue: papers from the international conference on very large data bases: September 22–24, 1975, Framingham, MA
Concurrency Control in Distributed Database Systems
ACM Computing Surveys (CSUR)
Communications of the ACM
Principles of Database Systems
Principles of Database Systems
Implementation of Multi-Key Extendible Hashing as an Access Method for a Relational DBMS
Proceedings of the Second International Conference on Data Engineering
Query transformation in an instructional database management system
SIGSCE '84 Proceedings of the fifteenth SIGCSE technical symposium on Computer science education
A graphical query language for relational databases
A graphical query language for relational databases
Cupid: a graphics oriented facility for support of non-programmer interactions with a data base.
Cupid: a graphics oriented facility for support of non-programmer interactions with a data base.
A tutorial on validation and verification of simulation models
WSC '88 Proceedings of the 20th conference on Winter simulation
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The objectives and the general structure of a database management system designed for instructional use are described in this paper. Two high level interfaces which can be used to assist a student in query formulation are discussed. First of these interfaces is graphical and uses Macintosh microcomputer as a user's workstation. The other interface guides a student through the process of query formulation using a menu-driven approach. Preliminary experiences with these interfaces have shown that they can facilitate teaching of query formulation and help students to understand better the syntax and semantics of non-procedural query languages.