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- W124735812 abstract "A major challenge still facing the designers and implementors of database programming languages (DBPLs) is that of query optimisation. We investigate algebraic query optimisation techniques for DBPLs in the context of a purely declarative functional language that supports sets as first-class objects. Since the language is computationally complete issues such as non-termination of expressions and construction of infinite data structures can be investigated, whilst its declarative nature allows the issue of side effects to be avoided and a richer set of equivalences to be developed. The support of a set bulk data type enables much prior work on the optimisation of relational languages to be utilised. Finally, the language has a well-defined semantics which permits us to reason formally about the prop erties of expressions, such as their equivalence with other expressions and their termination." @default.
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- W124735812 date "1998-01-01" @default.
- W124735812 modified "2023-09-26" @default.
- W124735812 title "Investigation of Algebraic Query Optimisation for Database Programming Languages" @default.
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