APPLICATION OF SQL/N AND ASSOCIATION MODES TO DATA BASES CONTAINING RECURSIVE ASSOCIATIONS

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dc.contributor.authorBradley, J.eng
dc.date.accessioned2008-02-27T22:58:38Z
dc.date.available2008-02-27T22:58:38Z
dc.date.computerscience1999-05-27eng
dc.date.issued1986-09-01eng
dc.description.abstractModes of association are defined for the recursive associations that occur in bill of materials data bases and data bases for the family trees of corporations. It is shown that a series of useful modes may be explicitly defined. Modes of association may be schema defined to enable a relational data base system to capture more meaning about an association. When used with natural quantifiers and SQL/N, an upward-compatible extension of SQL, these modes permit construction of concise expressions for complex retrievals involving explosions and implosions of entities described in the data base. Full explosions/implosions may be expressed in SQL/N, which is not possible with SQL. A mode of association is a set of propositions, but may be defined and implemented as a relationship relation.eng
dc.description.notesWe are currently acquiring citations for the work deposited into this collection. We recognize the distribution rights of this item may have been assigned to another entity, other than the author(s) of the work.If you can provide the citation for this work or you think you own the distribution rights to this work please contact the Institutional Repository Administrator at digitize@ucalgary.caeng
dc.identifier.department1986-243-17eng
dc.identifier.doihttp://dx.doi.org/10.11575/PRISM/30420
dc.identifier.urihttp://hdl.handle.net/1880/46287
dc.language.isoEngeng
dc.publisher.corporateUniversity of Calgaryeng
dc.publisher.facultyScienceeng
dc.subjectComputer Scienceeng
dc.titleAPPLICATION OF SQL/N AND ASSOCIATION MODES TO DATA BASES CONTAINING RECURSIVE ASSOCIATIONSeng
dc.typeunknown
thesis.degree.disciplineComputer Scienceeng
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