The implementation of a functional query language front-end to a relational database system. Available in 2 volumes.
Shah, Hanifa U. (1989). The implementation of a functional query language front-end to a relational database system. Available in 2 volumes. PhD thesis, Aston University.
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Database systems have a user interface one of the components of which will normally be a query language which is based on a particular data model. Typically data models provide primitives to define, manipulate and query databases. Often these primitives are designed to form self-contained query languages. This thesis describes a prototype implementation of a system which allows users to specify queries against the database in a query language whose primitives are not those provided by the actual model on which the database system is based, but those provided by a different data model. The implementation chosen is the Functional Query Language Front End (FQLFE). This uses the Daplex functional data model and query language. Using FQLFE, users can specify the underlying database (based on the relational model) in terms of Daplex. Queries against this specified view can then be made in Daplex. FQLFE transforms these queries into the query language (Quel) of the underlying target database system (Ingres). The automation of part of the Daplex function definition phase is also described and its implementation discussed.
|Item Type:||Thesis (PhD)|
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|Uncontrolled Keywords:||functional query languages , database management systems, relational database system|
|Deposited By:||Mr Mandev Padda|
|Deposited On:||09 Dec 2010 11:12|
|Last Modified:||23 Sep 2014 04:45|
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