Search strategy and selection function for an inferential relational system
ACM Transactions on Database Systems (TODS)
Improving the human factors aspect of database interactions
ACM Transactions on Database Systems (TODS)
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
The design and implementation of INGRES
ACM Transactions on Database Systems (TODS)
Decomposition—a strategy for query processing
ACM Transactions on Database Systems (TODS)
Implementation of a structured English query language
Communications of the ACM
Specifying queries as relational expressions: the SQUARE data sublanguage
Communications of the ACM
On the semantics of the relational data model
SIGMOD '75 Proceedings of the 1975 ACM SIGMOD international conference on Management of data
Universality of data retrieval languages
POPL '79 Proceedings of the 6th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
The translation and compatibility of SEQUEL and Query by Example
ICSE '76 Proceedings of the 2nd international conference on Software engineering
SEQUEL: A structured English query language
SIGFIDET '74 Proceedings of the 1974 ACM SIGFIDET (now SIGMOD) workshop on Data description, access and control
A primer on relational data base concepts
IBM Systems Journal
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A number of high-level data manipulation languages have been proposed for the relational model. This paper summarizes results of an analysis of languages and attempts to evaluate various criteria as to their capability of accounting for differences among languages. The distinction between fundamental and secondary characteristics of languages is not the result of a speculative exploration of which features should be made available in a relational language. Instead, this distinction is based on a comparison of existing languages as they are described in the literature.