IBM Systems Journal - 2002 Copyright

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IBM Journal of Research and Development  
Volume 16, Number 4, Page 324 (1977)
Nontopical Issue
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Query-by-Example: A data base language

by M. M. Zloof
Discussed is a high-level data base management language that provides the user with a convenient and unified interface to query, update, define, and control a data base. When the user performs an operation against the data base, he fills in an example of a solution to that operation in skeleton tables that can be associated with actual tables in the data base. The system is currently being used experimentally for various applications.
Related Subjects: Database; Languages