{"id":39627,"date":"2021-02-03T16:02:48","date_gmt":"2021-02-03T15:02:48","guid":{"rendered":"https:\/\/datascientest.com\/?p=39627"},"modified":"2023-11-09T14:10:09","modified_gmt":"2023-11-09T14:10:09","slug":"mongodb","status":"publish","type":"post","link":"https:\/\/datascientest.com\/mongodb","title":{"rendered":"MongoDB : tout savoir sur la base de donn\u00e9es NoSQL orient\u00e9e document"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"39627\" class=\"elementor elementor-39627\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c4ae1a8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c4ae1a8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7ca2aec\" data-id=\"7ca2aec\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8907b51 elementor-widget elementor-widget-heading\" data-id=\"8907b51\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\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><h2 class=\"elementor-heading-title elementor-size-default\">MongoDB est une base de donn\u00e9es NoSQL orient\u00e9e document. Elle se distingue des bases de donn\u00e9es relationnelles par sa flexibilit\u00e9 et ses performances. D\u00e9couvrez tout ce que vous devez savoir sur cet outil incontournable pour l'ing\u00e9nierie des donn\u00e9es.<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-727ae6d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"727ae6d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8a69657\" data-id=\"8a69657\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ec1f03c elementor-widget elementor-widget-text-editor\" data-id=\"ec1f03c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Apparue au milieu des ann\u00e9es 2000, <a href=\"https:\/\/www.mongodb.com\/fr\">MongoDB<\/a> est <a href=\"https:\/\/datascientest.com\/base-de-donnees-definition\" target=\"_blank\" rel=\"noopener\">une base de donn\u00e9es<\/a> NoSQL orient\u00e9e document. Elle est utilis\u00e9e pour le stockage de volumes massifs de donn\u00e9es.<\/p><p>Contrairement \u00e0 une base de donn\u00e9es <a href=\"https:\/\/datascientest.com\/sql-tout-savoir\" target=\"_blank\" rel=\"noopener\">relationnelle SQL<\/a> traditionnelle, MongoDB ne repose pas sur des tableaux et des colonnes. Les donn\u00e9es sont stock\u00e9es sous forme de collections et de documents.<\/p><p>Les <strong>documents sont des paires de valeurs \/ cl\u00e9s<\/strong> servant d&rsquo;unit\u00e9 de donn\u00e9es de base. Les collections quant \u00e0 elles contiennent des ensembles de documents et de fonctions. Elles sont l&rsquo;\u00e9quivalent des tableaux dans les bases de donn\u00e9es relationnelles classiques.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7b84f48 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7b84f48\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-456db19\" data-id=\"456db19\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62b1313 elementor-widget elementor-widget-heading\" data-id=\"62b1313\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Les caract\u00e9ristiques de MongoDB<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1166031 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1166031\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a3e96e3\" data-id=\"a3e96e3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c48006c elementor-widget elementor-widget-text-editor\" data-id=\"c48006c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<blockquote><p>Chaque base de donn\u00e9es MongoDB contient des collections, contenant elles-m\u00eame des documents. Chaque document est diff\u00e9rent et peut comporter un nombre de champs variable. La taille et le contenu de chaque document varient \u00e9galement.<\/p><\/blockquote>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-04b742d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"04b742d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e02cf18\" data-id=\"e02cf18\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aa0ce80 elementor-widget elementor-widget-text-editor\" data-id=\"aa0ce80\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>La structure d&rsquo;un document correspond \u00e0 la fa\u00e7on dont les d\u00e9veloppeurs construisent leurs classes et objets dans le langage de programmation utilis\u00e9. En g\u00e9n\u00e9ral, les classes ne sont pas de lignes et des colonnes mais ont une structure claire compos\u00e9e de paires de valeurs \/ cl\u00e9s.<\/p><p>Les documents n&rsquo;ont pas de sch\u00e9ma pr\u00e9d\u00e9fini et des champs peuvent \u00eatre ajout\u00e9s \u00e0 volont\u00e9. Le mod\u00e8le de donn\u00e9es disponible au sein de MongoDB permet de repr\u00e9senter des relations hi\u00e9rarchiques ou autre structure complexe plus facilement.<\/p><p>Une autre caract\u00e9ristique majeure de MongoDB est <strong>l&rsquo;\u00e9lasticit\u00e9 de ses environnements<\/strong>. De nombreuses entreprises ont des clusters de plus de 100 noeuds pour des bases de donn\u00e9es contenant des millions de documents.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8f7574a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8f7574a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b39c258\" data-id=\"b39c258\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-652df9d elementor-widget elementor-widget-video\" data-id=\"652df9d\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/EE8ZTQxa0AM&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video .elementor-wrapper{aspect-ratio:var(--video-aspect-ratio)}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{height:100%;width:100%;display:flex;border:none;background-color:#000}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-wrapper{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .elementor-open-inline .elementor-custom-embed-image-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:50%}.elementor-widget-video .elementor-custom-embed-image-overlay{cursor:pointer;text-align:center}.elementor-widget-video .elementor-custom-embed-image-overlay:hover .elementor-custom-embed-play i{opacity:1}.elementor-widget-video .elementor-custom-embed-image-overlay img{display:block;width:100%;aspect-ratio:var(--video-aspect-ratio);-o-object-fit:cover;object-fit:cover;-o-object-position:center center;object-position:center center}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-custom-embed-image-overlay{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-custom-embed-image-overlay img{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .e-hosted-video .elementor-video{-o-object-fit:cover;object-fit:cover}.e-con-inner>.elementor-widget-video,.e-con>.elementor-widget-video{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1b36d0c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1b36d0c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-19f312d\" data-id=\"19f312d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c69f2e9 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"c69f2e9\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-data-engineer\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Commencer une formation MongoDB<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-607bfce elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"607bfce\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ad1c91d\" data-id=\"ad1c91d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-baf4fc9 elementor-widget elementor-widget-heading\" data-id=\"baf4fc9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">L'architecture MongoDB et ses composants<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-25deb51 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"25deb51\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ecd11cf\" data-id=\"ecd11cf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-74fe784 elementor-widget elementor-widget-text-editor\" data-id=\"74fe784\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>L&rsquo;architecture MongoDB repose sur plusieurs composants principaux. Tout d&rsquo;abord, <strong>\u00a0\u00bb _id \u00a0\u00bb est un champ<\/strong> requis pour chaque document. Il repr\u00e9sente une valeur unique, et peut \u00eatre consid\u00e9r\u00e9 comme la cl\u00e9 principale du document permettant de l&rsquo;identifier au sein de la collection.<\/p><p>Un <strong>document est l&rsquo;\u00e9quivalent d&rsquo;un enregistrement<\/strong> dans une base de donn\u00e9es traditionnelle. Il est constitu\u00e9 de champs de nom et de valeurs. Chaque champ est une association entre un nom et une valeur, et s&rsquo;apparente \u00e0 une colonne dans une base de donn\u00e9es relationnelle.<\/p><p>Une <strong>collection est un groupe de documents<\/strong> MongoDB, et correspond \u00e0 un tableau cr\u00e9\u00e9 avec n&rsquo;importe quel autre RDMS comme Oracle ou MS SQL sur une base de donn\u00e9es relationnelle. Elle n&rsquo;a pas de structure pr\u00e9d\u00e9finie.<\/p><p>Une base de donn\u00e9es est <strong>un conteneur de collections<\/strong>, au m\u00eame titre qu&rsquo;un RDMS est un conteneur de tableaux pour les bases de donn\u00e9es relationnelles. Chacune a son propre ensemble de fichiers sur le syst\u00e8me fichier. Un serveur MongoDB peut stocker de multiples bases de donn\u00e9es.<\/p><p>Enfin, <strong>le JSON<\/strong> (JavaScript Object Notation) est un format en texte clair pour exprimer les donn\u00e9es structur\u00e9es. Il est pris en charge par de nombreux langages de programmation.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a31a7da elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a31a7da\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e6fc4d0\" data-id=\"e6fc4d0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-94429df elementor-widget elementor-widget-heading\" data-id=\"94429df\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pourquoi utiliser MongoDB ? Quels sont les avantages ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ec80313 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ec80313\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2173a63\" data-id=\"2173a63\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d574f97 elementor-widget elementor-widget-video\" data-id=\"d574f97\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/0buKQHokLK8&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c77c701 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c77c701\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-572b003\" data-id=\"572b003\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-84f3748 elementor-widget elementor-widget-text-editor\" data-id=\"84f3748\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>MongoDB pr\u00e9sente plusieurs avantages majeurs. Tout d&rsquo;abord, cette base de donn\u00e9es NoSQL orient\u00e9e document se r\u00e9v\u00e8le <strong>tr\u00e8s flexible<\/strong> et adapt\u00e9e aux cas d&rsquo;usage concrets d&rsquo;une entreprise.<\/p><p>Les <strong>requ\u00eates \u00a0\u00bb Ad hoc \u00ab\u00a0<\/strong> permettent par ailleurs de retrouver des champs sp\u00e9cifiques au sein des documents. Notons aussi la possibilit\u00e9 de cr\u00e9er des index pour am\u00e9liorer la performance des recherches. N&rsquo;importe quel champ peut \u00eatre index\u00e9.<\/p><p>Un autre avantage est la possibilit\u00e9 de cr\u00e9er <strong>des \u00a0\u00bb replica sets \u00ab\u00a0<\/strong> constitu\u00e9s de deux instances MongoDB ou plus. Chaque membre peut jouer le r\u00f4le de r\u00e9plique secondaire ou primaire \u00e0 tout moment.<\/p><p>La <strong>r\u00e9plique primaire<\/strong> est le serveur principal, qui interagit avec le client et effectue toutes les op\u00e9rations de lecture et d&rsquo;\u00e9criture. Les r\u00e9pliques secondaires quant \u00e0 elles conservent une copie des donn\u00e9es. Ainsi, en cas de panne de la r\u00e9plique primaire, le basculement vers la secondaire se fait automatiquement. Ce syst\u00e8me garantit une haute disponibilit\u00e9.<\/p><p>Enfin, <strong>le concept du sharding<\/strong> permet le scaling horizontal en r\u00e9partissant les donn\u00e9es entre de multiples instances MongoDB. La base de donn\u00e9es peut \u00eatre ex\u00e9cut\u00e9e sur de multiples serveurs, et ceci permet d&rsquo;\u00e9quilibrer la charge ou de dupliquer les donn\u00e9es pour garder le syst\u00e8me fonctionnel en cas de panne mat\u00e9rielle.<\/p><p>De par ces nombreux avantages, MongoDB est aujourd&rsquo;hui un outil tr\u00e8s utilis\u00e9 dans le domaine de l&rsquo;ing\u00e9nierie des donn\u00e9es. Il s&rsquo;agit d&rsquo;une solution \u00e0 ma\u00eetriser imp\u00e9rativement <a href=\"https:\/\/datascientest.com\/data-engineer-tout-savoir\" target=\"_blank\" rel=\"noopener\">pour les Data Engineers<\/a>.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3ce46c0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ce46c0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-62b928b\" data-id=\"62b928b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1dce64d elementor-widget elementor-widget-heading\" data-id=\"1dce64d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">MongoDB vs RDBMS : quelles sont les diff\u00e9rences ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4404f33 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4404f33\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ca785f7\" data-id=\"ca785f7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5a4eaa9 elementor-widget elementor-widget-text-editor\" data-id=\"5a4eaa9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Il existe plusieurs diff\u00e9rences majeures entre MongoDB et les RDBMS (syst\u00e8me de gestion de bases de donn\u00e9es relationnelles. Comme \u00e9voqu\u00e9 auparavant, les donn\u00e9es ne sont pas stock\u00e9es dans des tableaux mais dans des collections de documents. Ces<strong> documents remplacent les lignes des RDBMS<\/strong>. Ils contiennent des champs de paires de valeurs \/ cl\u00e9s, rempla\u00e7ant eux-m\u00eames les colonnes.<\/p><p>En outre, l&rsquo;int\u00e9grit\u00e9 des donn\u00e9es n&rsquo;est pas une contrainte sur MongoDB. Les <strong>donn\u00e9es n&rsquo;ont pas non plus besoin d&rsquo;\u00eatre \u00a0\u00bb normalis\u00e9es \u00ab\u00a0<\/strong> avant usage comme sur un RDBMS. C&rsquo;est un v\u00e9ritable avantage, car la contrainte de normalisation peut att\u00e9nuer les performances \u00e0 mesure que la base de donn\u00e9es prend de l&rsquo;ampleur.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-07dbd85 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"07dbd85\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c3ee0cd\" data-id=\"c3ee0cd\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0808ad6 elementor-widget elementor-widget-video\" data-id=\"0808ad6\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/KG-mqHoXOXY&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-17a6129 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"17a6129\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-37ac804\" data-id=\"37ac804\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4860a31 elementor-widget elementor-widget-heading\" data-id=\"4860a31\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">La mod\u00e9lisation de donn\u00e9es sur MongoDB<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a589a01 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a589a01\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9bb5eff\" data-id=\"9bb5eff\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1d22abb elementor-widget elementor-widget-text-editor\" data-id=\"1d22abb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Contrairement aux bases de donn\u00e9es SQL, MongoDB n&rsquo;implique <strong>aucune contrainte en termes de structure <\/strong>des documents. Les donn\u00e9es n&rsquo;ont pas de sch\u00e9ma pr\u00e9con\u00e7u, et c&rsquo;est cette flexibilit\u00e9 qui rend MongoDB si puissant et performant.<\/p><p>La <strong>mod\u00e9lisation des donn\u00e9es<\/strong> et la structure des documents doivent uniquement r\u00e9pondre aux besoins de l&rsquo;utilisateur. Il convient de prendre en compte les besoins de l&rsquo;application, et donc quels seront les donn\u00e9es et les types de donn\u00e9es n\u00e9cessaires.<\/p><p>Si de nombreuses requ\u00eates sont \u00e0 pr\u00e9voir, il est pertinent d&rsquo;utiliser <strong>des index<\/strong> dans le mod\u00e8le de donn\u00e9es pour am\u00e9liorer l&rsquo;efficacit\u00e9 des requ\u00eates. Enfin, en cas d&rsquo;ajouts, de mises \u00e0 jour et de suppressions de donn\u00e9es fr\u00e9quentes, on utilisera l\u00e0 encore des index et le syst\u00e8me de sharding pour am\u00e9liorer l&rsquo;efficacit\u00e9 g\u00e9n\u00e9rale de l&rsquo;environnement.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d5adad7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d5adad7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9859b4f\" data-id=\"9859b4f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8120ad9 elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"8120ad9\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<link rel=\"stylesheet\" href=\"https:\/\/datascientest.com\/wp-content\/uploads\/elementor\/css\/custom-pro-widget-call-to-action.min.css?ver=1730971027\">\t\t<a class=\"elementor-cta\" href=\"https:\/\/datascientest.com\/wp-content\/uploads\/2020\/11\/infography_SQL-03.png\" target=\"_blank\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/datascientest.com\/wp-content\/uploads\/2020\/11\/infography_SQL-03.png);\" role=\"img\" aria-label=\"SQL\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tTOUT SAVOIR SUR SQL\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tCa tombe bien, on en a fait une fiche m\u00e9mo ! \t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item \">\n\t\t\t\t\t<span class=\"elementor-cta__button elementor-button elementor-size-sm\">\n\t\t\t\t\t\tD\u00c9COUVRIR\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3a68eb0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3a68eb0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ef1fdc9\" data-id=\"ef1fdc9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4fd279a elementor-widget elementor-widget-heading\" data-id=\"4fd279a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pourquoi et comment apprendre \u00e0 utiliser MongoDB ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2b43434 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b43434\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-130388d\" data-id=\"130388d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-088baf9 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"088baf9\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-data-engineer\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Suivre une formation Data Engineer<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0625709 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0625709\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2ed5c50\" data-id=\"2ed5c50\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-36db9ea elementor-widget elementor-widget-text-editor\" data-id=\"36db9ea\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>MongoDB fait partie des outils indispensables de l&rsquo;ing\u00e9nierie des donn\u00e9es. Pour apprendre \u00e0 l&rsquo;utiliser, vous pouvez vous tourner vers <strong>les formations DataScientest<\/strong>.<\/p><p>La <a href=\"https:\/\/datascientest.com\/formation-data-engineer\" target=\"_blank\" rel=\"noopener\">formation Data Engineer<\/a> vous apprendra le m\u00e9tier d&rsquo;ing\u00e9nieur des donn\u00e9es, et notamment \u00e0 construire des pipelines d&rsquo;acquisition et de traitement automatique des donn\u00e9es. Au sein du module \u00a0\u00bb base de donn\u00e9es \u00ab\u00a0, vous apprendrez notamment \u00e0 utiliser MongoDB, mais aussi Cassandra, Elastic Search, Neo4J et le langage SQL.<\/p><p>Si vous \u00eates d\u00e9j\u00e0 Data Scientist et que vous souhaitez apprendre \u00e0 mettre en production des mod\u00e8les de Machine Learning, vous pouvez vous tourner vers <a href=\"https:\/\/datascientest.com\/formation-machine-learning-engineer\" target=\"_blank\" rel=\"noopener\">notre formation Machine Learning Engineer<\/a>. MongoDB fait partie des outils que vous apprendrez \u00e0 utiliser.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-da94b7c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"da94b7c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-db45cf7\" data-id=\"db45cf7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a99d423 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"a99d423\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/datascientest.com\/formation-machine-learning-engineer\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9buter la formation Machine Learning Engineer<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b6355c0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b6355c0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b5578d5\" data-id=\"b5578d5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-016cf38 elementor-widget elementor-widget-text-editor\" data-id=\"016cf38\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Vous savez tout sur MongoDB. D\u00e9couvrez d&rsquo;autres outils de Data Engineering, comme <a href=\"https:\/\/datascientest.com\/formation-docker\" target=\"_blank\" rel=\"noopener\">la plateforme de conteneurisation Docker<\/a> ou <a href=\"https:\/\/datascientest.com\/snowflake\" target=\"_blank\" rel=\"noopener\">le Cloud Data Warehouse de Snowflake<\/a>.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>MongoDB est une base de donn\u00e9es NoSQL orient\u00e9e document. Elle se distingue des bases de donn\u00e9es relationnelles par sa flexibilit\u00e9 et ses performances. D\u00e9couvrez tout ce que vous devez savoir sur cet outil incontournable pour l&rsquo;ing\u00e9nierie des donn\u00e9es. Apparue au milieu des ann\u00e9es 2000, MongoDB est une base de donn\u00e9es NoSQL orient\u00e9e document. Elle est [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":42403,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2497],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MongoDB : tout savoir sur la base de donn\u00e9es NoSQL orient\u00e9e document<\/title>\n<meta name=\"description\" content=\"MongoDB est une base de donn\u00e9es NoSQL orient\u00e9e document, id\u00e9ale pour le Data Engineering : qu&#039;est-ce que c&#039;est, fonctionnement, formation...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/datascientest.com\/mongodb\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MongoDB : tout savoir sur la base de donn\u00e9es NoSQL orient\u00e9e document\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/mongodb\" \/>\n<meta property=\"og:site_name\" content=\"Formation Data Science | DataScientest.com\" \/>\n<meta property=\"article:published_time\" content=\"2021-02-03T15:02:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-09T14:10:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/02\/illu_mangoDB_blog-79.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1405\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Raphael Kassel\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Raphael Kassel\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/datascientest.com\/mongodb\",\"url\":\"https:\/\/datascientest.com\/mongodb\",\"name\":\"MongoDB : tout savoir sur la base de donn\u00e9es NoSQL orient\u00e9e document\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/#website\"},\"datePublished\":\"2021-02-03T15:02:48+00:00\",\"dateModified\":\"2023-11-09T14:10:09+00:00\",\"author\":{\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/6eca16f63daaafcbc96e15549b9d4ee1\"},\"description\":\"MongoDB est une base de donn\u00e9es NoSQL orient\u00e9e document, id\u00e9ale pour le Data Engineering : qu'est-ce que c'est, fonctionnement, formation...\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/datascientest.com\/mongodb\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/datascientest.com\/#website\",\"url\":\"https:\/\/datascientest.com\/\",\"name\":\"Formation Data Science | DataScientest.com\",\"description\":\"Leader de la formation en Data Science\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/datascientest.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/6eca16f63daaafcbc96e15549b9d4ee1\",\"name\":\"Raphael Kassel\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/raph.jpeg\",\"contentUrl\":\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/11\/raph.jpeg\",\"caption\":\"Raphael Kassel\"},\"description\":\"Raphael Kassel est le Head of Data Programs chez DataScientest. 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