{"id":29125,"date":"2021-01-07T11:09:59","date_gmt":"2021-01-07T10:09:59","guid":{"rendered":"https:\/\/datascientest.com\/?p=29125"},"modified":"2025-02-26T08:59:41","modified_gmt":"2025-02-26T08:59:41","slug":"bien-choisir-sa-base-de-donnees-typologie","status":"publish","type":"post","link":"https:\/\/datascientest.com\/bien-choisir-sa-base-de-donnees-typologie","title":{"rendered":"Bien choisir sa base de donn\u00e9es: Typologie"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"29125\" class=\"elementor elementor-29125\" 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-0701fc2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0701fc2\" 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-12bd90f\" data-id=\"12bd90f\" 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-d8ae317 elementor-widget elementor-widget-heading\" data-id=\"d8ae317\" 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\">La collecte des donn\u00e9es est la premi\u00e8re \u00e9tape pour cr\u00e9er un mod\u00e8le de Machine Learning. Il est donc essentiel de choisir un mod\u00e8le de base de donn\u00e9es qui offre les caract\u00e9ristiques dont votre application a le plus besoin.\nLes bases de donn\u00e9es relationnelles et NoSQL constituent les deux familles de syst\u00e8mes les plus utilis\u00e9es. Leur structure, le stockage des donn\u00e9es qu\u2019elles assurent et leur accessibilit\u00e9 diff\u00e8rent. Dans cet article nous allons examiner chacune de leur caract\u00e9ristique sp\u00e9cifique.<\/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-83bf4a9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"83bf4a9\" 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-f26d8ce\" data-id=\"f26d8ce\" 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-d120ac2 elementor-widget elementor-widget-heading\" data-id=\"d120ac2\" 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\">Bases de donn\u00e9es relationnelles:<\/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-0369d69 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0369d69\" 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-851a345\" data-id=\"851a345\" 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-c5304cb elementor-widget elementor-widget-text-editor\" data-id=\"c5304cb\" 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>Elles sont le plus ancien type de base de donn\u00e9es \u00e0 usage g\u00e9n\u00e9ral encore largement utilis\u00e9 aujourd&rsquo;hui.<br \/>Les bases de donn\u00e9es relationnelles organisent les donn\u00e9es \u00e0 l&rsquo;aide de tableaux.<br \/>Les tables sont des structures qui imposent un sch\u00e9ma aux enregistrements qu&rsquo;elles contiennent.<\/p><p>Chaque colonne d&rsquo;une table a un nom et un type de donn\u00e9es. Chaque ligne repr\u00e9sente une donn\u00e9e dans la table, qui contient des valeurs pour chacune des colonnes.<\/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-bfde651 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bfde651\" 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-5b8b457\" data-id=\"5b8b457\" 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-07d7b0d elementor-widget elementor-widget-image\" data-id=\"07d7b0d\" data-element_type=\"widget\" data-widget_type=\"image.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-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-relationnelle-1024x615.png\" class=\"attachment-large size-large wp-image-32547\" alt=\"bdd\" loading=\"lazy\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-relationnelle-1024x615.png 1024w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-relationnelle-300x180.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-relationnelle-768x461.png 768w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-relationnelle-1536x923.png 1536w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-relationnelle.png 1560w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\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-838f204 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"838f204\" 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-eb5087b\" data-id=\"eb5087b\" 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-9ff03d0 elementor-widget elementor-widget-text-editor\" data-id=\"9ff03d0\" 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><span style=\"font-weight: 400\">Le langage SQL, a \u00e9t\u00e9 cr\u00e9\u00e9 pour acc\u00e9der aux donn\u00e9es stock\u00e9es dans ce format et afin de garantir les propri\u00e9t\u00e9s ACID.<\/span> <span style=\"font-weight: 400\">Elles sont souvent <\/span><b>adapt\u00e9es \u00e0 des donn\u00e9es r\u00e9guli\u00e8res et pr\u00e9visibles<\/b><span style=\"font-weight: 400\">. Comme elles fonctionnent \u00e0 partir d&rsquo;un sch\u00e9ma, il peut \u00eatre plus difficile de modifier la structure des donn\u00e9es une fois qu&rsquo;elles sont dans le syst\u00e8me.<\/span><\/p><p><span style=\"font-weight: 400;color: #000000\">Dans l&rsquo;ensemble, les bases de donn\u00e9es relationnelles constituent un choix solide pour de nombreuses applications, car les applications g\u00e9n\u00e8rent souvent des donn\u00e9es bien ordonn\u00e9es et structur\u00e9es.<\/span><\/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-d01cf82 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d01cf82\" 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-c9beb58\" data-id=\"c9beb58\" 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-5e1001d elementor-widget elementor-widget-heading\" data-id=\"5e1001d\" 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\">Base de donn\u00e9es NoSQL<\/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-d7ced86 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d7ced86\" 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-148398c\" data-id=\"148398c\" 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-173fb52 elementor-widget elementor-widget-text-editor\" data-id=\"173fb52\" 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><span style=\"font-weight: 400;color: #000000\">Les prochains types que nous allons voir font partie de la famille des bases de donn\u00e9es <a href=\"https:\/\/datascientest.com\/nosql\">NoSQL<\/a> : des alternatives \u00e0 haute performance pour les donn\u00e9es qui ne correspondent pas au mod\u00e8le relationnel.<\/span><\/p><p><span style=\"font-weight: 400;color: #000000\">Elles excellent par leur facilit\u00e9 d&rsquo;utilisation, leur scalabilit\u00e9, leur r\u00e9silience et leurs caract\u00e9ristiques de disponibilit\u00e9.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-161e2ff elementor-widget elementor-widget-heading\" data-id=\"161e2ff\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Base de donn\u00e9es orient\u00e9e Document<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97dc347 elementor-widget elementor-widget-text-editor\" data-id=\"97dc347\" 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><span style=\"font-weight: 400\">Bon choix pour un<\/span><b> d\u00e9veloppement rapide<\/b><span style=\"font-weight: 400\"> car vous pouvez <\/span><b>modifier les propri\u00e9t\u00e9s des donn\u00e9es<\/b><span style=\"font-weight: 400\">que vous souhaitez enregistrer \u00e0 tout moment<\/span><b> sans modifier les structures <\/b><span style=\"font-weight: 400\">ou<\/span><span style=\"color: #000000\"><span style=\"font-weight: 400\"> les donn\u00e9es existantes.<\/span><\/span><\/p><p><span style=\"font-weight: 400\">Chaque document est<\/span><b> autonome<\/b><span style=\"color: #000000\"><span style=\"font-weight: 400\"> et poss\u00e8de son propre syst\u00e8me d&rsquo;organisation. Si vous n&rsquo;avez pas encore d\u00e9termin\u00e9 votre structure de donn\u00e9es, ce mod\u00e8le pourrait \u00eatre un bon point de d\u00e9part.<\/span><\/span><\/p><p><span style=\"font-weight: 400;color: #000000\">Attention toutefois, car la flexibilit\u00e9 signifie que vous \u00eates responsable du maintien de la coh\u00e9rence, ce qui peut \u00eatre extr\u00eamement difficile.<\/span><\/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-3764bce elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3764bce\" 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-c90b29b\" data-id=\"c90b29b\" 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-c8ad3c1 elementor-widget elementor-widget-heading\" data-id=\"c8ad3c1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Base de donn\u00e9es orient\u00e9e Colonne<\/h4>\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-c7710f2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c7710f2\" 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-2f2a401\" data-id=\"2f2a401\" 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-d1bf939 elementor-widget elementor-widget-text-editor\" data-id=\"d1bf939\" 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><span style=\"font-weight: 400\">Utile pour les applications qui exigent de <\/span><b>grandes performances <\/b><span style=\"font-weight: 400\">pour les <\/span><b>op\u00e9rations en ligne <\/b><span style=\"font-weight: 400\">et une grande \u00e9volutivit\u00e9. Comme toutes les donn\u00e9es et m\u00e9tadonn\u00e9es d&rsquo;une entr\u00e9e sont accessibles avec un seul identificateur de ligne, <\/span><b>aucune jointure co\u00fbteuse en termes de calcul n&rsquo;est n\u00e9cessaire<\/b><span style=\"font-weight: 400\"> pour trouver et extraire les informations.<\/span><\/p><p><span style=\"font-weight: 400\">Cependant, elles ne fonctionnent pas bien dans tous les cas de figure. Si vous avez des donn\u00e9es hautement relationnelles qui n\u00e9cessitent des jointures, ce n&rsquo;e<\/span><span style=\"font-weight: 400;color: #000000\">st pas le bon mod\u00e8le \u00e0 utiliser.<\/span><\/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-4c1a2ab elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4c1a2ab\" 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-391a342\" data-id=\"391a342\" 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-f07a899 elementor-widget elementor-widget-image\" data-id=\"f07a899\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"523\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-colonne-1024x669.png\" class=\"attachment-large size-large wp-image-32551\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-colonne-1024x669.png 1024w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-colonne-300x196.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-colonne-768x501.png 768w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-colonne.png 1435w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\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-eb1dd1d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"eb1dd1d\" 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-d2a0f54\" data-id=\"d2a0f54\" 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-1219663 elementor-widget elementor-widget-heading\" data-id=\"1219663\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Base de donn\u00e9es orient\u00e9e Graphe<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c0cef3 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1c0cef3\" 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><span style=\"font-weight: 400\">Elles sont particuli\u00e8rement utiles lorsqu&rsquo;on travaille avec des donn\u00e9es dont les <\/span><b>connexions sont tr\u00e8s importantes<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\">Par exemple, la recherche de la connexion entre deux utilisateurs d&rsquo;un r\u00e9seau social dans une base de donn\u00e9es relationnelle est susceptible de n\u00e9cessiter de multiples jointures de tables et donc d&rsquo;\u00eatre assez gourmande en ressources. Cette m\u00eame requ\u00eate serait simple dans une base de donn\u00e9es graphique qui <\/span><b>\u00e9tablit directement des correspondances entre les connexions<\/b><span style=\"font-weight: 400\">.<\/span><\/p><p><span style=\"font-weight: 400\">L&rsquo;objectif des bases de donn\u00e9es graphiques est de rendre le travail sur ce type de donn\u00e9es intuitif et puissant.<\/span><\/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-cd8a6da elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cd8a6da\" 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-bcc439b\" data-id=\"bcc439b\" 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-2016e7b elementor-widget elementor-widget-image\" data-id=\"2016e7b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"475\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-graphe-1024x608.png\" class=\"attachment-large size-large wp-image-32552\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-graphe-1024x608.png 1024w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-graphe-300x178.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-graphe-768x456.png 768w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-graphe-1536x913.png 1536w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/Base-de-donnees-oriente-graphe.png 1727w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\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-d7a68e7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d7a68e7\" 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-af53e47\" data-id=\"af53e47\" 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-4830a64 elementor-widget elementor-widget-text-editor\" data-id=\"4830a64\" 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><span style=\"font-weight: 400;color: #000000\">Choisir sa base de donn\u00e9es passe par le choix de sa typologie mais aussi par la compr\u00e9hension du th\u00e9or\u00e8me CAP.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;color: #000000\">Dans le prochain article nous verrons\u00a0<\/span><a href=\"https:\/\/datascientest.com\/cap-theorem\" target=\"_blank\" rel=\"noopener\">le th\u00e9or\u00e8me CAP<\/a><span style=\"font-weight: 400;color: #000000\">\u00a0et vous serez ainsi en possession de toutes les armes afin de d\u00e9buter votre projet de Data<\/span><\/p><p><span style=\"font-weight: 400\"><span style=\"color: #000000\">Et si votre projet Data commen\u00e7ait par une formation en Data Science \u00e9labor\u00e9e par des experts et certifi\u00e9e par la Sorbonne ?<\/span> <\/span><\/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-0af31c6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0af31c6\" 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-7d85e59\" data-id=\"7d85e59\" 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-5a83188 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"5a83188\" 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\/formations-data\">\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\">Tout savoir sur les Bases de donn\u00e9es <\/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<div class=\"elementor-element elementor-element-2915def e-flex e-con-boxed e-con\" data-id=\"2915def\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7502fb8 elementor-widget elementor-widget-html\" data-id=\"7502fb8\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Bases de donn\u00e9es relationnelles:\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Elles sont le plus ancien type de base de donn\u00e9es \u00e0 usage g\u00e9n\u00e9ral encore largement utilis\u00e9 aujourd'hui. Les bases de donn\u00e9es relationnelles organisent les donn\u00e9es \u00e0 l'aide de tableaux. Les tables sont des structures qui imposent un sch\u00e9ma aux enregistrements qu'elles contiennent. Chaque colonne d'une table a un nom et un type de donn\u00e9es. Chaque ligne repr\u00e9sente une donn\u00e9e dans la table, qui contient des valeurs pour chacune des colonnes.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Base de donn\u00e9es NoSQL\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Les prochains types que nous allons voir font partie de la famille des bases de donn\u00e9es NoSQL : des alternatives \u00e0 haute performance pour les donn\u00e9es qui ne correspondent pas au mod\u00e8le relationnel. Elles excellent par leur facilit\u00e9 d'utilisation, leur scalabilit\u00e9, leur r\u00e9silience et leurs caract\u00e9ristiques de disponibilit\u00e9.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Base de donn\u00e9es orient\u00e9e Graphe\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Elles sont particuli\u00e8rement utiles lorsqu'on travaille avec des donn\u00e9es dont les connexions sont tr\u00e8s importantes. Par exemple, la recherche de la connexion entre deux utilisateurs d'un r\u00e9seau social dans une base de donn\u00e9es relationnelle est susceptible de n\u00e9cessiter de multiples jointures de tables et donc d'\u00eatre assez gourmande en ressources. Cette m\u00eame requ\u00eate serait simple dans une base de donn\u00e9es graphique qui \u00e9tablit directement des correspondances entre les connexions.\"\r\n    }\r\n  }]\r\n}\r\n<\/script>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>La collecte des donn\u00e9es est la premi\u00e8re \u00e9tape pour cr\u00e9er un mod\u00e8le de Machine Learning. Il est donc essentiel de choisir un mod\u00e8le de base de donn\u00e9es qui offre les caract\u00e9ristiques dont votre application a le plus besoin. Les bases de donn\u00e9es relationnelles et NoSQL constituent les deux familles de syst\u00e8mes les plus utilis\u00e9es. Leur [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":32438,"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>Bien choisir sa base de donn\u00e9es: Typologie<\/title>\n<meta name=\"description\" content=\"Construire un mod\u00e8le de Machine Learning, collecter les informations dans une base de donn\u00e9es qui r\u00e9pond aux besoins de l&#039;application.\" \/>\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\/bien-choisir-sa-base-de-donnees-typologie\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bien choisir sa base de donn\u00e9es: Typologie\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/bien-choisir-sa-base-de-donnees-typologie\" \/>\n<meta property=\"og:site_name\" content=\"Formation Data Science | DataScientest.com\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-07T10:09:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-26T08:59:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/01\/illu_typo_BDD_blog-54.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1406\" \/>\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=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/datascientest.com\/bien-choisir-sa-base-de-donnees-typologie\",\"url\":\"https:\/\/datascientest.com\/bien-choisir-sa-base-de-donnees-typologie\",\"name\":\"Bien choisir sa base de donn\u00e9es: Typologie\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/#website\"},\"datePublished\":\"2021-01-07T10:09:59+00:00\",\"dateModified\":\"2025-02-26T08:59:41+00:00\",\"author\":{\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/6eca16f63daaafcbc96e15549b9d4ee1\"},\"description\":\"Construire un mod\u00e8le de Machine Learning, collecter les informations dans une base de donn\u00e9es qui r\u00e9pond aux besoins de l'application.\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/datascientest.com\/bien-choisir-sa-base-de-donnees-typologie\"]}]},{\"@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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