Pramod, K V; Unnikrishnan, K(Academy Publisher, 2009)
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Abstract:
A feasible way of implementing a temporal
database is by mapping temporal data model onto a
conventional data model followed by a commercial database
management system. Even though extensions were proposed
to standard SQL for supporting temporal databases, such
proposals have not yet come across standardization
processes. This paper attempts to implement database
operators such as aggregates and universal quantifier for
temporal databases, implemented on top of relational
database systems, using currently available SQL standards.