ERQ: Controlled Inference and Instruction Techniques for DBMS Query Languages


This paper describes certain aspects of the Entity Relationship Query Interface (ERQ) which is being implemented as part of a Distributed Data-base Research programme. A major objective of ERQ is to teach naive users the fundamental concepts of the Entity Relationship (ER) and Relational Data Models, and also how to use a Relational Query Language. This is… (More)
DOI: 10.1145/582353.582371


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