{"version":"1.0","provider_name":"Viz Note French - AI Insights &amp; Software Industry Updates","provider_url":"https:\/\/www.viz-note.com\/fr","author_name":"vpadmin","author_url":"https:\/\/www.viz-note.com\/fr\/author\/vpadmin\/","title":"D\u00e9pannage du MCD : Diagnostiquer les requ\u00eates lentes via la conception du sch\u00e9ma \ud83d\udc22","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"7wlGy9NNBC\"><a href=\"https:\/\/www.viz-note.com\/fr\/erd-troubleshooting-slow-query-schema-design\/\">D\u00e9pannage des diagrammes Entit\u00e9-Relation : Diagnostiquer les requ\u00eates lentes li\u00e9es \u00e0 une mauvaise conception du sch\u00e9ma<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.viz-note.com\/fr\/erd-troubleshooting-slow-query-schema-design\/embed\/#?secret=7wlGy9NNBC\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0D\u00e9pannage des diagrammes Entit\u00e9-Relation : Diagnostiquer les requ\u00eates lentes li\u00e9es \u00e0 une mauvaise conception du sch\u00e9ma\u00a0\u00bb &#8212; Viz Note French - AI Insights &amp; Software Industry Updates\" data-secret=\"7wlGy9NNBC\" 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.viz-note.com\/fr\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.viz-note.com\/fr\/wp-content\/uploads\/sites\/6\/2026\/04\/erd-troubleshooting-infographic-charcoal-sketch.jpg","thumbnail_width":1664,"thumbnail_height":928,"description":"Apprenez \u00e0 diagnostiquer les requ\u00eates lentes li\u00e9es \u00e0 une mauvaise conception du sch\u00e9ma. Analysez les MCD pour corriger les probl\u00e8mes de normalisation, d'indexation et de relations afin d'obtenir des performances optimales de la base de donn\u00e9es."}