{"id":36911,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/derivacion-de-vistas-en-un-sistema-de-bases-de-datos-orientadas-a-objetos\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"derivacion-de-vistas-en-un-sistema-de-bases-de-datos-orientadas-a-objetos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/derivacion-de-vistas-en-un-sistema-de-bases-de-datos-orientadas-a-objetos\/","title":{"rendered":"Derivacion de vistas en un sistema de bases de datos orientadas a objetos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Amparo Lopez Gaona <\/strong><\/h2>\n<p>El mecanismo de vistas en bases de datos relacionales es de gran utilidad debido, entre otras cosas, a que permite restringir la visibilidad de los datos de las aplicaciones. Por razones similares es importante poder crear vistas sobre bases de datos orientadas a objetos.  en estatesis doctoral se define un modelo para derivaci\u00f3n de vistas en el cual se hace un tratamiento integral de los objetos que las poblaran al considerar tanto la parte est\u00e1tica como la din\u00e1mica de los mismos. Los elementos en las vistas pueden aparecerexactamente igual a como estaban en el esquema conceptual, pueden tener nuevo nombre o bien nueva interfaz en la cual se supriman, renombre o creen nuevas caracter\u00edsticas.  en este \u00faltimo apartado se tiene la posibilidad de dotar de nuevo comportamiento a los objetos de las vistas. Para cada operaci\u00f3n en la derivaci\u00f3n se analiza c\u00f3mo alterar\u00e1 el comportamiento de los objetos en la vista, raz\u00f3n por la cual se especifica un algoritmo para resoluci\u00f3n de nombres.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Derivacion de vistas en un sistema de bases de datos orientadas a objetos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Derivacion de vistas en un sistema de bases de datos orientadas a objetos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Amparo Lopez Gaona <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Carmen Costilla Rodriguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Julio Berrocal Colmenarejo <\/li>\n<li>Adoracion De Miguel Casta\u00f1o (vocal)<\/li>\n<li>Esperanza Marcos Mart\u00ednez (vocal)<\/li>\n<li>Mario Piattini Velthuis (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Amparo Lopez Gaona El mecanismo de vistas en bases de datos relacionales es de gran utilidad debido, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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