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Dissertations / Theses on the topic 'Object Object-Relational Framework'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Ireland, Jon Christopher. "Object-relational impedance mismatch : a framework based approach." Thesis, Open University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.578640.

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The term impedance mismatch was first used in 1984 to label problems that arise when a program uses a relational database for storage. For example, when transferring data from a relational database into a program any relational data structure is lost because a program operates at the row level. Consequently that data structure must somehow be reproduced when data is returned to a database. There are many such mismatches that cost time and effort to address. As new programming and database languages are introduced other kinds of impedance mismatch are anticipated. Traditional approaches are con

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2

Junior, Carlos Alberto Rombaldo. "Proposta de um Framework de persistência de objetos em bases de dados objeto-relacional." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/3/3141/tde-12062013-150806/.

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Este trabalho apresenta o desenvolvimento de um Framework de persistência que utiliza banco de dados objeto-relacional como mecanismo de persistência. Tendo por objetivo usar os conceitos de orientação a objetos descritos na norma SQL:2008, conceitos como: objeto (atributos e métodos), herança, agregação, composição, referências (REF) e estruturas multivaloradas (arrays e multiset). Para tanto se desenvolveu e formalizou (XSD) um arquivo XML que representa um esquema de objetos através da norma SQL:2008. Da mesma forma definiu-se um conjunto de anotações Java, com o intuito de facilitar a util

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3

Desanker, Rosana Veronica Lilian. "A unified object-oriented approach to knowledge representation within a relational framework." Thesis, Keele University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329692.

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4

Nagy, Victor. "Performance Analysis of Relational Databases, Object-Oriented Databases and ORM Frameworks." Thesis, Högskolan i Skövde, Institutionen för informationsteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-9528.

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In the planning stage of web and software development, it is important to select the right tool for the job. When selecting the database to use, relational databases like MySQL is a popular choice. However, relational databases suffer by object-relational impedance mismatch. In this work we will explore the response time of relational and object-oriented databases and the overhead of ORM frameworks. This will be done by creating a web application that receives data about flights and airports from a client, which measures the response time of the databases and the entire request. It was found t

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Stanier, C. F. "A model integrity based object-relational data model and complex data model definition framework." Thesis, Staffordshire University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.522119.

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Molz, Kurt Werner. "Um Framework para construção de aplicações OO sobre SGBD relacional." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 1999. http://hdl.handle.net/10183/25974.

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O paradigma da orientação a objetos esta se tomando a abordagem preferida para construção de sistemas em ambiente de banco de dados. Por outro lado, a tecnologia relacional e amplamente adotada para gerenciar dados corporativos. Os bancos de dados relacionais tornaram-se o padrão no armazenamento de dados para aplicações de processamento de transações on-line (OLTP). Estas tendências estão motivando a necessidade de construção de aplicações orientadas a objetos que acessem banco de dados relacionais. 0 uso de conceitos orientado a objetos, como herança, permitem uma modelagem !Dais adequada e

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Ježa, Pavel. "Návrh databázově neutrální objektově-relační vrstvy." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2007. http://www.nusl.cz/ntk/nusl-412788.

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This diploma work deals with design and implementation of the database neutral object-relational (OR) layer in C++ language over inherited database. The goal is to create the layer to encase the access to database from the application layer. Suggested layer will stem from the object-relation mapping technology, which is currently available for many object-programming language, such as C#, Java or Visual Basic. The work consists of three main parts. The forepart is focused on clearing object-relation mapping technology. It briefly overviews differences in capabilities and levels of implementati

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Andreas, Hall, and Hindrikes Daniel. "Entity Framework 4.0, enutvärdering av ett ORMramverk." Thesis, Högskolan Dalarna, Informatik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:du-5040.

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När man kombinerar ett objektorienterat programmeringsspråk och en relationsdatabas uppstår en del problem för utvecklare eftersom objektorienterade programmeringsspråk och relationsdatabaser har olika fokus, objektorienterade programmeringsspråk fokuserar på att avbilda verkliga objekt och relationsdatabaser fokuserar på data. De problem som uppstår kallas med ett samlingsnamn för object-relational mismatch. Det finns flertalet ramverk för att hantera dessa problem. Ett av dem är Entity Framework.Syftet med detta projekt var att utvärdera hur utvecklare tycker att Entity Framework fungerar fö

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9

Žukauskas, Arūnas. "Objektinių struktūrų atvaizdavimo į reliacinę struktūrą modelis." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2007. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2007~D_20070116_005201-78734.

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This work is analyzing problems, arising because of sematical gap between relational and object-oriented approaches and discusses how to utilize object-relational mapping for solving this problem. After analysis of object-relational mapping framework (further – ORM) principles and features of existing ORM frameworks a model is suggested, that allows to implement ORM by utilizing MVP principles in a way that retains major portion of both approach pros and is perfect for transitioning existing relational structures to object-oriented. Further, project and implementation of prototype framework, t

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10

Lindgren, Emelie, and Ulrika Andreasen. "ADO.NET och Entity Framework : En jämförelse av prestanda mellan en objektorienterad databas och en relationsdatabas." Thesis, Örebro universitet, Handelshögskolan vid Örebro Universitet, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-22567.

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Denna uppsats mäter och jämför prestanda mellan en objektorienterad databas och en relationsdatabas. Uppsatsen bygger på en utredande karaktär utifrån vår hypotes och vårt intresse att testa den.Hypotesen bygger på problematiken omkring mängden kod utvecklaren måste skriva för att kunna koppla ihop applikation med databas. En större mängd skriven kod som utvecklaren måste skriva borde göra att prestanda och svarstider blir långsammare. Därför ville vi undersöka om verktyg som medför en mindre mängd skriven kod kan förbättra prestandan och ge snabbare svarstider. Vi valde att testa vår hypotes

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11

Öjebo, Erik. "Objekt-relationsmappning i datacentrerad applikation." Thesis, Örebro University, School of Science and Technology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-7308.

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<p>Denna rapport presenterar en undersökning av sex olika objekt-relationsmappningsramverk, nämligen Entity Framework, LINQ to SQL, NHibernate, Castle ActiveRecord, MyGeneration Doodads och Subsonic. Undersökningen redogör för styrkor och svagheter hos de olika ramverken samt diskuterar när respektive ramverk är lämpligt att använda.</p><p>De ramverk som bedömdes vara mest intressanta var NHibernate och Entity Framework, då de erbjuder flexibel mappning mellan domänmodellen och det underliggande databasschemat samt god tillgång till dokumentation och litteratur.</p><p>Undersökningen användes s

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12

Brito, Carlos de. "Controle eletrônico das etapas do processo de planejamento de pacientes em radioterapia." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/17/17159/tde-06042018-104352/.

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Em diversos serviços de radioterapia brasileiros há a premente necessidade de sistematização de processos que ainda hoje, mesmo com acesso à tecnologia da informação, é realizada manualmente. Este fato acontece com o controle dos pacientes em planejamento radioterápico onde os dados de todas as etapas do processo são inseridos em um quadro físico conforme executadas. Esses dados consistem desde o agendamento da tomografia de planejamento até a liberação do mesmo para o tratamento. O objetivo deste estudo é o desenvolvimento de um software para controle eletrônico de pacientes em processo de pl

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13

Fayyaz, Ali Raza, and Madiha Munir. "Performance Evaluation of PHP Frameworks (CakePHP and CodeIgniter) in relation to the Object-Relational Mapping, with respect to Load Testing." Thesis, Blekinge Tekniska Högskola, Institutionen för datalogi och datorsystemteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4116.

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Context: Information technology is playing an important role in creating innovation in business. Due to increase in demand of information technology, web development has become an important field. PHP is an open source language, which is widely used in web development. PHP is used to develop dynamic web pages and it has the ability to connect with database. PHP has some good features i.e. cross platform compatibility, scalability, efficient execution and is an open source technology. These features make it a good choice for developers to choose PHP for web development. The maintenance of an ap

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14

Hrubý, Jan. "Využití frameworku Django pro tvorbu informačních systémů." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-72115.

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The aim of this study is to analyze the Django framework in terms of design patterns and architectural principles with emphasis on development of information systems. Based on a comparison of two real systems was identified basic general functionality, the systems commonly support. This analysis helped identify the strengths and weaknesses of the framework. These ensue from the application architecture and from weaknesses of some of its components. Based on these were derived requirements for library expansion and new application components. Problems that have arisen with the solution of the n

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15

Esteves, Miguel dos Santos. "CazDataProvider: a solution to the object-relational mismatch." Master's thesis, 2012. http://hdl.handle.net/1822/28384.

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Dissertação de mestrado em Engenharia de Informática<br>Today, most software applications require mechanisms to store information persistently. For decades, Relational Database Management Systems (RDBMSs) have been the most common technology to provide efficient and reliable persistence. Due to the object-relational paradigm mismatch, object oriented applications that store data in relational databases have to deal with Object Relational Mapping (ORM) problems. Since the emerging of new ORM frameworks, there has been an attempt to lure developers for a radical paradigm shift. However, they sti

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16

Zhang, Xiaobing. "A framework for object-relational mapping with an example in C++." Thesis, 2004. http://spectrum.library.concordia.ca/8432/1/MQ94760.pdf.

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As the Object-Oriented programming technique becomes more and more popular in contemporary software design, issues related to persistent objects must be addressed. This thesis introduces a framework for Object-Relational Mapping. The framework is intended to simplify the handling of persistent objects in a Relational Database System. The framework's architecture consists of two layers: an object layer that contains the infrastructure for persistent objects and a storage layer that provides an interface to the Physical Storage System. As contributions, I have introduced my original work includ

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17

Tseng, Chin-shun, and 曾勁順. "A Framework of Object-Relational Data Warehouse for Clinical Data Integration." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/91352395391660316708.

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碩士<br>義守大學<br>資訊管理學系碩士班<br>93<br>In recent years, with the development of the medical informatics and the rapid change of the medical organization management environment, how to integrate effectively the intra of medical information in order to aid analysis the decision level has already become a new agitation of medical informatics. For this reason, a lot of medium-and-large-sized medical organizations have set about introducing the so-called clinical data warehouse system at every moment and hope to use the well-established data warehouse structure in the business world to meet the informati

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Chen, Chung-Chieh, and 陳中傑. "An Exploratory Study of Applying Object Relational Mapping Framework on Service-Oriented Architecture." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/fe2xfs.

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碩士<br>中原大學<br>資訊管理研究所<br>101<br>Internet makes the development of information technology has been a major advancement in the enterprise business model can closely, but the information update speed is too quick, allow enterprises to more traditional architecture complex and difficult to maintain, unable to cope with the changes required, it makes a Service Oriented Architecture (SOA) to cope with these problems. Service oriented architecture is defined as the main service and the loosely coupled between services must be distributed architecture, each capable of independent execution services an

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