search query: @keyword object-relational mapping / total: 7
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Author: | Jakobsson, MÃ¥rten |
Title: | An Object-Oriented Framework For SQL Predicates |
Publication type: | Master's thesis |
Publication year: | 2005 |
Pages: | (10) + 71 s. Language: eng |
Department/School: | Tietotekniikan osasto |
Main subject: | Ohjelmistotekniikka (T-106) |
Supervisor: | Soisalon-Soininen, Eljas |
Instructor: | |
OEVS: | Electronic archive copy is available via Aalto Thesis Database.
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Location: | P1 Ark Aalto | Archive |
Keywords: | object-orientated programming query formulation SQL object-relational mapping objekt-orienterad programmering frågeformulering SQL objekt-relationell mappning |
Abstract (eng): | Both relational databases and object-oriented technologies have long histories and they are important parts of software engineering. Combining the two isn't always easy, however, due to the inherent differences between the two methodologies. The common solution for overcoming these problems is to create a data encapsulation layer that facilitates communication between the two, while keeping them separate. One aspect of such an encapsulation layer is the definition of conditions used for restricting the affected data when communicating with a database. This thesis describes a condition framework for defining such conditions in an object-oriented manner. The condition framework described in this thesis is designed to support dynamic manipulation of the condition objects, enabling editing, combination and comparison of different condition objects. This makes the framework very versatile and the framework has proven itself useful in many situations, not only when it comes to querying a database, but also e.g. for keeping track of data loaded into caches, for performing in-memory selections from these caches and for access rights definitions. |
ED: | 2005-11-11 |
INSSI record number: 29978
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