{"version":"1.0","provider_name":"We Notes Fran\u00e7ais\u2013 Collaborative AI Insights &amp; Intelligence Hub","provider_url":"https:\/\/www.we-notes.com\/fr","author_name":"vpadmin","author_url":"https:\/\/www.we-notes.com\/fr\/author\/vpadmin\/","title":"Confusions sur les diagrammes ER : 15 cl\u00e9s, relations et cardinalit\u00e9 expliqu\u00e9es","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"F70VK3ic0N\"><a href=\"https:\/\/www.we-notes.com\/fr\/er-diagram-relations-keys-cardinality-guide\/\">Q&#038;R : R\u00e9soudre les 15 confusions les plus fr\u00e9quentes sur les relations, les cl\u00e9s et la cardinalit\u00e9 dans les diagrammes Entit\u00e9-Relation<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.we-notes.com\/fr\/er-diagram-relations-keys-cardinality-guide\/embed\/#?secret=F70VK3ic0N\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Q&#038;R : R\u00e9soudre les 15 confusions les plus fr\u00e9quentes sur les relations, les cl\u00e9s et la cardinalit\u00e9 dans les diagrammes Entit\u00e9-Relation\u00a0\u00bb &#8212; We Notes Fran\u00e7ais\u2013 Collaborative AI Insights &amp; Intelligence Hub\" data-secret=\"F70VK3ic0N\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.we-notes.com\/fr\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.we-notes.com\/fr\/wp-content\/uploads\/sites\/18\/2026\/04\/er-diagram-15-concepts-chalkboard-infographic.jpg","thumbnail_width":1664,"thumbnail_height":928,"description":"R\u00e9solvez les probl\u00e8mes courants de conception de diagrammes ERD. Un guide sur les cl\u00e9s, la cardinalit\u00e9, les relations et la normalisation. Questions et r\u00e9ponses claires pour les architectes de bases de donn\u00e9es."}