{"id":1024,"date":"2024-07-31T10:08:24","date_gmt":"2024-07-31T08:08:24","guid":{"rendered":"https:\/\/blog.sutilweb.eu\/?page_id=1024"},"modified":"2024-07-31T10:08:24","modified_gmt":"2024-07-31T08:08:24","slug":"06-atributos","status":"publish","type":"page","link":"https:\/\/sutilweb.eu\/index.php\/databases\/diseno-de-bases-de-datos\/06-atributos\/","title":{"rendered":"06. Atributos"},"content":{"rendered":"\n<p>Los <strong>atributos<\/strong> son las <strong>caracter\u00edsticas,<\/strong> y esos datos que vamos a almacenar de las <strong>entidades<\/strong> que son los <strong>objetos.<\/strong> Estos dan pie a explicar un concepto fundamental en la programaci\u00f3n, que son los diferentes <strong>tipos de datos<\/strong> que se pueden almacenar en <strong>modelo de datos<\/strong>. Al final los <strong>atributos<\/strong> se convierten a nivel de programaci\u00f3n en los <strong>tipos de datos<\/strong> que se pueden almacenar.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>Los <strong>tipos de datos<\/strong> que podemos tener en nuestro <strong>modelo de datos<\/strong> son:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00fameros enteros y flotantes<\/li>\n\n\n\n<li>Cadenas y caracteres de texto<\/li>\n\n\n\n<li>Fechas y horas<\/li>\n\n\n\n<li>Valores booleanos (true o false)<\/li>\n\n\n\n<li>Blobs y archivos<\/li>\n\n\n\n<li>Datos geogr\u00e1ficos<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Nota:<\/strong> es fundamental, independientemente de nuestro <strong>tipo de modelo de base de datos<\/strong>, almacenar el <strong>momento de una transacci\u00f3n<\/strong>, es decir, el momento que insertamos, eliminamos, actualizamos&#8230; alg\u00fan dato, para tener como referencia cuando se hizo.<\/p>\n<\/blockquote>\n\n\n\n<p>En la medida de lo posible, no inyectar <strong>archivos binarios<\/strong> a la <strong>base de datos,<\/strong> lo ideal es almacenar en una <strong>SAN<\/strong> (<strong>Storage Area Network<\/strong>) o <strong>\u00e1rea de almacenamiento<\/strong>, nuestros archivos, en un servicio en la nube, como puede ser <strong>OneDrive, Dropbox&#8230;<\/strong> \u00danicamente guardaremos la <strong>URL<\/strong> donde va a almacenarse este archivo.<\/p>\n\n\n\n<p>Dependiendo del <strong>sistema gestor<\/strong> que vamos a trabajar, hay diferentes <strong>tipos de datos<\/strong>, hay sistemas que para los n\u00fameros solo tienen <strong>integers<\/strong> o <strong>floats,<\/strong> mientras otros tienen una gran cantidad de tipos para los n\u00fameros.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los atributos son las caracter\u00edsticas, y esos datos que vamos a almacenar de las entidades que son los objetos. Estos [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1009,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-1024","page","type-page","status-publish","hentry"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"Sutil Web","author_link":"https:\/\/sutilweb.eu\/index.php\/author\/sutilweb\/"},"uagb_comment_info":0,"uagb_excerpt":"Los atributos son las caracter\u00edsticas, y esos datos que vamos a almacenar de las entidades que son los objetos. Estos [&hellip;]","_links":{"self":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/comments?post=1024"}],"version-history":[{"count":1,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1024\/revisions"}],"predecessor-version":[{"id":1025,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1024\/revisions\/1025"}],"up":[{"embeddable":true,"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/pages\/1009"}],"wp:attachment":[{"href":"https:\/\/sutilweb.eu\/index.php\/wp-json\/wp\/v2\/media?parent=1024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}