{"id":302,"date":"2017-02-19T07:13:13","date_gmt":"2017-02-19T12:13:13","guid":{"rendered":"https:\/\/blog.khalilmamouny.com\/?p=302"},"modified":"2017-02-19T07:13:13","modified_gmt":"2017-02-19T12:13:13","slug":"bd-dependance-fonctionnelle-df","status":"publish","type":"post","link":"https:\/\/www.khalilmamouny.com\/index.php\/2017\/02\/19\/bd-dependance-fonctionnelle-df\/","title":{"rendered":"Base de donn\u00e9es &#8211; D\u00e9pendance fonctionnelle (DF)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><style>\/*! elementor - v3.16.0 - 17-10-2023 *\/<br \/>\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La d\u00e9pendance fonctionnelle (DF) est un concept cl\u00e9 en informatique et en gestion de bases de donn\u00e9es relationnelles. Elle permet de d\u00e9crire la relation entre deux attributs d&rsquo;une table et peut aider \u00e0 garantir l&rsquo;int\u00e9grit\u00e9 des donn\u00e9es dans une base de donn\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La principale utilit\u00e9 de la d\u00e9pendance fonctionnelle est de fournir une d\u00e9finition claire pour faciliter, dans une relation donn\u00e9e. l&rsquo;identification des attributs qui sont d\u00e9terminants (cl\u00e9s uniques et cl\u00e9s primaires) et des attributs d\u00e9pendants.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans ce tutoriel, vous apprendrez ce qu&rsquo;est la d\u00e9pendance fonctionnelle, sa notation et son utilit\u00e9 ainsi que ses propri\u00e9t\u00e9s et leur utilit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tutoriel<\/h2>\n\n\n<div class=\"gb-container gb-container-efcb0342\">\n\n<p class=\"has-base-background-color has-background wp-block-paragraph\"><iframe loading=\"lazy\" src=\"https:\/\/www.khalilmamouny.com\/wp-content\/uploads\/tutoriels\/bd-dependance-fonctionnelle-df\/index.html\" width=\"100%\" height=\"715px\"><\/iframe><\/p>\n\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Pour un commentaire ou pour communiquer avec moi&#8230;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">J&rsquo;esp\u00e8re que ce tutoriel vous a \u00e9t\u00e9 utile. N&rsquo;h\u00e9sitez pas \u00e0 me laisser votre commentaire en <u><strong><a href=\"https:\/\/www.khalilmamouny.com\/contact\/\" target=\"foobox\" rel=\"noopener noreferrer\">cliquant ici<\/a>.<\/strong><\/u><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.khalilmamouny.com\/wp-content\/uploads\/images\/khalilmamouny-at.png\" alt=\"Khalil Mamouny\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Dans ce tutoriel, vous apprendrez ce qu&rsquo;est la d\u00e9pendance fonctionnelle, sa notation et son utilit\u00e9 ainsi que ses propri\u00e9t\u00e9s et leur utilit\u00e9.<\/p>\n","protected":false},"author":1,"featured_media":14805,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,7],"tags":[14,19,26],"class_list":["post-302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bases-de-donnees","category-modelisation","tag-base-de-donnees","tag-dependance-fonctionnelle","tag-modelisation","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"_links":{"self":[{"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/posts\/302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/comments?post=302"}],"version-history":[{"count":0,"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/posts\/302\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/media\/14805"}],"wp:attachment":[{"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/media?parent=302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/categories?post=302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.khalilmamouny.com\/index.php\/wp-json\/wp\/v2\/tags?post=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}