{"id":204788,"date":"2023-07-07T07:30:00","date_gmt":"2023-07-07T07:30:00","guid":{"rendered":"https:\/\/datascientest.com\/?p=204788"},"modified":"2023-11-09T13:44:25","modified_gmt":"2023-11-09T13:44:25","slug":"reverse-etl-tout-savoir","status":"publish","type":"post","link":"https:\/\/datascientest.com\/reverse-etl-tout-savoir","title":{"rendered":"Reverse ETL : Qu&rsquo;est-ce c&rsquo;est ? \u00c0 quoi \u00e7a sert ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"204788\" class=\"elementor elementor-204788\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c78ee61 e-flex e-con-boxed e-con\" data-id=\"c78ee61\" 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-cd451b2 elementor-widget elementor-widget-heading\" data-id=\"cd451b2\" 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\">Si les donn\u00e9es brutes se multiplient, les organisations doivent les transformer pour pouvoir exploiter les donn\u00e9es disponibles et cr\u00e9er de la valeur. Traditionnellement, les entreprises suivaient le processus ETL pour traiter les donn\u00e9es. Mais depuis quelques ann\u00e9es, ce mod\u00e8le change pour laisser place au reverse ETL. Alors de quoi s\u2019agit-il ? Quelles sont les diff\u00e9rences entre les deux m\u00e9thodes ? Et quels sont les avantages du reverse ETL ? Les r\u00e9ponses sont dans cet article.\u00a0<\/h2>\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<div class=\"elementor-element elementor-element-f032403 e-flex e-con-boxed e-con\" data-id=\"f032403\" 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-f590b86 elementor-widget elementor-widget-heading\" data-id=\"f590b86\" 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\">Qu'est ce que le Reverse ETL ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5431cac elementor-widget elementor-widget-text-editor\" data-id=\"5431cac\" 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<span style=\"font-weight: 400;\">Le reverse ETL est un <\/span><b>processus de traitement des donn\u00e9es, depuis l\u2019extraction jusqu\u2019\u00e0 leur int\u00e9gration<\/b><span style=\"font-weight: 400;\">. Il s\u2019agit d\u2019une \u00e9volution du processus traditionnel (ETL). Avec ce nouveau mod\u00e8le data, on parle de process ELT pour Extract, Load, Transform.\u00a0<\/span>\n<ul>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Extract : <\/b> c\u2019est l\u2019extraction des donn\u00e9es brutes depuis une multitude de sources (r\u00e9seaux sociaux, CRM, site web, SIRH\u2026)\u00a0<\/span><\/li>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Load :<\/b> c\u2019est le chargement des donn\u00e9es dans un entrep\u00f4t ou un lac de donn\u00e9es.<\/span><\/li>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Transform :<\/b> il s\u2019agit de pr\u00e9parer et nettoyer les donn\u00e9es pour les rendre propres \u00e0 l\u2019analyse. Les formats sont uniformis\u00e9s, les doublons, les donn\u00e9es obsol\u00e8tes ou fausses sont supprim\u00e9s.<\/li>\n<\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9949c7 elementor-widget elementor-widget-text-editor\" data-id=\"a9949c7\" 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;\">Les outils de reverse ETL permettent de<\/span><b> mieux valoriser les informations disponibles<\/b><span style=\"font-weight: 400;\">. En effet, les experts data peuvent extraire les donn\u00e9es du data warehouse \u00e0 des fins op\u00e9rationnelles ou pour des applications m\u00e9tiers. Et comme une grande quantit\u00e9 de donn\u00e9es est conserv\u00e9e au sein d\u2019un espace de stockage, les capacit\u00e9s d\u2019analyses sont plus pouss\u00e9es avec un mod\u00e8le ELT.<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9bc843e e-flex e-con-boxed e-con\" data-id=\"9bc843e\" 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-e5a9cfb elementor-widget elementor-widget-heading\" data-id=\"e5a9cfb\" 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\">Quelles diff\u00e9rences entre les processus ETL et ELT ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e1a302 elementor-widget elementor-widget-heading\" data-id=\"3e1a302\" 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\">ETL, le processus de transformation traditionnelle<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-596a4d6 elementor-widget elementor-widget-text-editor\" data-id=\"596a4d6\" 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 <a href=\"https:\/\/datascientest.com\/extract-transform-load-tout-savoir\">processus ETL<\/a> (pour Extract, Transform, Load) est le<\/span><b> mod\u00e8le utilis\u00e9 traditionnellement pour l\u2019exploitation des donn\u00e9es<\/b><span style=\"font-weight: 400;\">. La d\u00e9marche est invers\u00e9e, puisqu\u2019il s\u2019agit d\u2019extraire, de transformer et de charger les donn\u00e9es dans un lieu de stockage.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Le <\/span><b>cloud data warehouse ne contient que des donn\u00e9es pr\u00e9alablement nettoy\u00e9es. <\/b><span style=\"font-weight: 400;\">Autrement dit, des donn\u00e9es de qualit\u00e9 qui seront utilis\u00e9es par les outils de business intelligence pour am\u00e9liorer la prise de d\u00e9cision.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Si ce mod\u00e8le \u00e9tait particuli\u00e8rement efficace il y a quelques ann\u00e9es, il ne permet plus forc\u00e9ment de r\u00e9pondre \u00e0 l\u2019augmentation des volumes de donn\u00e9es. C\u2019est pourquoi, les outils de reverse ETL sont apparus. <\/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-3fa02b8 elementor-widget elementor-widget-heading\" data-id=\"3fa02b8\" 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\">ELT, une \u00e9volution du process ETL<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fa983d5 elementor-widget elementor-widget-text-editor\" data-id=\"fa983d5\" 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<span style=\"font-weight: 400;\">Malgr\u00e9 son efficacit\u00e9, les experts data rencontraient plusieurs probl\u00e8mes avec le processus ETL. Et notamment :\u00a0<\/span>\n<ul>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pour r\u00e9aliser des analyses op\u00e9rationnelles pertinentes, les <a href=\"https:\/\/datascientest.com\/quels-sont-les-metiers-de-la-data-les-mieux-payes-en-2023\">\u00e9quipes data<\/a><\/span> ont besoin de quantit\u00e9s de donn\u00e9es de plus en plus importantes. Ce qui n\u2019\u00e9tait pas forc\u00e9ment le cas avec la strat\u00e9gie Extract, Transform, Load.\u00a0<\/span><\/li>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Mais surtout, les experts data avaient besoin de donn\u00e9es en temps r\u00e9el pour de nombreuses analyses. Or, avec le processus ETL, les donn\u00e9es \u00e9taient d\u2019abord transform\u00e9es, puis stock\u00e9es. Comme ce processus prenait du temps, les donn\u00e9es disponibles se limitent simplement \u00e0 l\u2019analyse strat\u00e9gique sur le moyen et long terme. <\/span><\/li>\n<\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58a4c1f elementor-widget elementor-widget-text-editor\" data-id=\"58a4c1f\" 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 reverse ETL permet justement de pallier ces probl\u00e8mes. Les<\/span><b> experts data ont acc\u00e8s \u00e0 des quantit\u00e9s exponentielles de donn\u00e9es actualis\u00e9es<\/b><span style=\"font-weight: 400;\">. En fonction des besoins des experts m\u00e9tiers \u00e0 l\u2019instant T, ils peuvent ainsi s\u00e9lectionner les datasets les plus pertinents parmi un large \u00e9ventail d\u2019informations disponibles. Le reverse ETL permet ainsi de synchroniser des analyses op\u00e9rationnelles avec des donn\u00e9es de qualit\u00e9. Et tout \u00e7a, depuis un espace centralis\u00e9 et r\u00e9utilisable.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Aujourd\u2019hui, c\u2019est<\/span><b> l\u2019un des composants incontournables d\u2019un modern stack data.<\/b><\/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-489278d elementor-widget elementor-widget-image\" data-id=\"489278d\" 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=\"450\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/reverse-etl-1.png\" class=\"attachment-full size-full wp-image-204810\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/reverse-etl-1.png 800w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/reverse-etl-1-300x169.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/reverse-etl-1-768x432.png 768w\" 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<div class=\"elementor-element elementor-element-73f2b30 elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"73f2b30\" 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\">Ma\u00eetriser l'ETL et le reverse ETL<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-89bf1cc e-flex e-con-boxed e-con\" data-id=\"89bf1cc\" 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-e4d379c elementor-widget elementor-widget-heading\" data-id=\"e4d379c\" 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\">Quels sont les avantages du reverse ETL ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0784121 elementor-widget elementor-widget-text-editor\" data-id=\"0784121\" 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 reverse ETL rencontre un v\u00e9ritable succ\u00e8s aupr\u00e8s des organisations gr\u00e2ce aux nombreux avantages qu\u2019il offre. <\/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-0286942 elementor-widget elementor-widget-heading\" data-id=\"0286942\" 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\">La simplification du syst\u00e8me d\u2019information<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd572f0 elementor-widget elementor-widget-text-editor\" data-id=\"fd572f0\" 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<span style=\"font-weight: 400;\">Au fil des ann\u00e9es, les volumes de donn\u00e9es ne cessent d\u2019augmenter. Pour les experts m\u00e9tiers, cette multiplication des datas permet d<\/span><b>\u2019acc\u00e9der \u00e0 des informations transverses.<\/b><span style=\"font-weight: 400;\"> Et donc de prendre des d\u00e9cisions plus \u00e9clair\u00e9es.\u00a0<\/span>\n\n<span style=\"font-weight: 400;\">Mais pour les <a href=\"https:\/\/datascientest.com\/formation-data-analyst\">data analysts<\/a><\/span> ou data engineer, le traitement des donn\u00e9es se complexifie de jour en jour. Heureusement, le reverse ETL leur simplifie la t\u00e2che. En effet, toutes les donn\u00e9es transform\u00e9es et nettoy\u00e9es sont r\u00e9utilisables par les diff\u00e9rents collaborateurs de l\u2019organisation. Ce qui <\/span><b>limite la multiplication des extractions <\/b><span style=\"font-weight: 400;\">pour r\u00e9pondre \u00e0 une probl\u00e9matique.<\/span>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8e17ca elementor-widget elementor-widget-heading\" data-id=\"d8e17ca\" 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\">La centralisation des donn\u00e9es de qualit\u00e9<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e142be2 elementor-widget elementor-widget-text-editor\" data-id=\"e142be2\" 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;\">Avec le reverse ETL, tous les collaborateurs de l\u2019entreprise ont <\/span><b>acc\u00e8s \u00e0 une source unique de donn\u00e9es :<\/b><span style=\"font-weight: 400;\"> l&rsquo;entrep\u00f4t ou le lac de donn\u00e9es de l&rsquo;entreprise. Et comme ces derni\u00e8res sont transform\u00e9es et nettoy\u00e9es par les experts data, tout le monde doit pouvoir y acc\u00e9der facilement. In fine, le processus ELT <\/span><b>favorise la diffusion des donn\u00e9es en libre-service. <\/b><\/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-d404746 elementor-widget elementor-widget-heading\" data-id=\"d404746\" 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\">La valorisation des donn\u00e9es<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afb4554 elementor-widget elementor-widget-text-editor\" data-id=\"afb4554\" 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;\">Avec le mod\u00e8le ETL traditionnel, les donn\u00e9es stock\u00e9es sont principalement utilis\u00e9es pour les <a href=\"https:\/\/datascientest.com\/microsoft-power-bi-au-service-des-start-up\">outils de BI<\/a><\/span>. Autrement dit, elles n\u2019\u00e9taient accessibles que par des experts qui ma\u00eetrisent ces solutions.<\/p><p><span style=\"font-weight: 400;\">\u00c0 l\u2019inverse, le reverse ETL a pour objectif de <\/span><b>favoriser l\u2019analyse op\u00e9rationnelle et les applications m\u00e9tiers<\/b><span style=\"font-weight: 400;\">. Au-del\u00e0 des logiciels de business intelligence, les donn\u00e9es stock\u00e9es doivent pouvoir \u00eatre exploit\u00e9es par diff\u00e9rents outils de gestion (RH, finance, marketing\u2026). Ce faisant, les donn\u00e9es peuvent apporter davantage de valeur ajout\u00e9e au sein de l\u2019entreprise. <\/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-3208c00 elementor-widget elementor-widget-heading\" data-id=\"3208c00\" 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\">Le gain de productivit\u00e9<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39f038f elementor-widget elementor-widget-text-editor\" data-id=\"39f038f\" 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;\">En inversant le processus ETL, le mod\u00e8le ELT permet de gagner un temps consid\u00e9rable dans le traitement des donn\u00e9es. Et cela se r\u00e9percute sur l\u2019ensemble de l\u2019organisation. D\u2019une part, les experts data perdent moins de temps \u00e0 chercher et transformer les informations pertinentes. D\u2019autre part, les \u00e9quipes op\u00e9rationnelles (marketing, commerciales, RH&#8230;) ont plus rapidement acc\u00e8s aux donn\u00e9es en temps r\u00e9el.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Ce gain de productivit\u00e9 permet \u00e0 l\u2019entreprise d<\/span><b>\u2019\u00eatre plus efficace, de prendre de meilleures d\u00e9cisions et de r\u00e9duire les co\u00fbts. <\/b><\/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-b1e2852 elementor-widget elementor-widget-heading\" data-id=\"b1e2852\" 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\">Le d\u00e9veloppement d\u2019une culture data driven<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ebef57 elementor-widget elementor-widget-text-editor\" data-id=\"4ebef57\" 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;\">En simplifiant l\u2019accessibilit\u00e9 et l\u2019utilisation des donn\u00e9es, le reverse ETL participe directement \u00e0 la d\u00e9mocratisation des donn\u00e9es. La data n\u2019est plus seulement l\u2019apanage des data analysts, data scientists, data engineer et autres experts. <\/span><b>Tous les membres de l\u2019organisation doivent pouvoir acc\u00e9der aux donn\u00e9es <\/b><span style=\"font-weight: 400;\">dont ils ont besoin.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Bien \u00e9videmment, le r\u00f4le des experts data reste indispensable pour impl\u00e9menter le processus ELT. Gr\u00e2ce \u00e0 leur connaissance des requ\u00eates SQL, du mapping de donn\u00e9es, de l\u2019analytics, \u2026 ils aident l\u2019ensemble des collaborateurs \u00e0 valoriser les donn\u00e9es.\u00a0<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b8d8e6f e-flex e-con-boxed e-con\" data-id=\"b8d8e6f\" 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-b74bfc9 elementor-widget elementor-widget-heading\" data-id=\"b74bfc9\" 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\">Ce qu\u2019il faut retenir<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0659a5 elementor-widget elementor-widget-text-editor\" data-id=\"c0659a5\" 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<ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Pour r\u00e9pondre \u00e0 l\u2019augmentation croissante des donn\u00e9es, les outils de reverse ETL se d\u00e9veloppent.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ces derniers modifient le processus de traitement, puisqu\u2019il s\u2019agit d\u2019extraire toutes les donn\u00e9es brutes, de les int\u00e9grer dans l\u2019espace de stockage et de les transformer pour <a href=\"https:\/\/datascientest.com\/gartner-devoile-les-secrets-pour-ameliorer-la-qualite-de-ses-donnees\">am\u00e9liorer leur qualit\u00e9<\/a>.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\">Les organisations appliquant cette m\u00e9thode b\u00e9n\u00e9ficient ainsi d\u2019un acc\u00e8s aux donn\u00e9es plus simple et plus rapide. Elles peuvent alors <a href=\"https:\/\/datascientest.com\/la-data-le-nouvel-or-du-21eme-siecle\">cr\u00e9er de la valeur<\/a> plus facilement et prendre des d\u00e9cisions plus \u00e9clair\u00e9es.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-df716d6 elementor-widget elementor-widget-image\" data-id=\"df716d6\" 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=\"450\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/reverse-etl-2.png\" class=\"attachment-full size-full wp-image-204814\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/reverse-etl-2.png 800w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/reverse-etl-2-300x169.png 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/reverse-etl-2-768x432.png 768w\" 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<div class=\"elementor-element elementor-element-3dcdcaf elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"3dcdcaf\" 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\">Tout savoir sur le reverse ETL<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-569036f e-flex e-con-boxed e-con\" data-id=\"569036f\" 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-fe6d026 elementor-widget elementor-widget-html\" data-id=\"fe6d026\" 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\": \"Qu'est ce que le Reverse ETL ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Le reverse ETL est un processus de traitement des donn\u00e9es, depuis l\u2019extraction jusqu\u2019\u00e0 leur int\u00e9gration. Il s\u2019agit d\u2019une \u00e9volution du processus traditionnel (ETL). Avec ce nouveau mod\u00e8le data, on parle de process ELT pour Extract, Load, Transform.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"ETL, le processus de transformation traditionnelle\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Le processus ETL (pour Extract, Transform, Load) est le mod\u00e8le utilis\u00e9 traditionnellement pour l\u2019exploitation des donn\u00e9es. La d\u00e9marche est invers\u00e9e, puisqu\u2019il s\u2019agit d\u2019extraire, de transformer et de charger les donn\u00e9es dans un lieu de stockage. Le cloud data warehouse ne contient que des donn\u00e9es pr\u00e9alablement nettoy\u00e9es. Autrement dit, des donn\u00e9es de qualit\u00e9 qui seront utilis\u00e9es par les outils de business intelligence pour am\u00e9liorer la prise de d\u00e9cision.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Quels sont les avantages du reverse ETL ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"Au fil des ann\u00e9es, les volumes de donn\u00e9es ne cessent d\u2019augmenter. Pour les experts m\u00e9tiers, cette multiplication des datas permet d\u2019acc\u00e9der \u00e0 des informations transverses. Et donc de prendre des d\u00e9cisions plus \u00e9clair\u00e9es. Mais pour les data analysts ou data engineer, le traitement des donn\u00e9es se complexifie de jour en jour. Heureusement, le reverse ETL leur simplifie la t\u00e2che. En effet, toutes les donn\u00e9es transform\u00e9es et nettoy\u00e9es sont r\u00e9utilisables par les diff\u00e9rents collaborateurs de l\u2019organisation. Ce qui limite la multiplication des extractions pour r\u00e9pondre \u00e0 une probl\u00e9matique.\"\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>Si les donn\u00e9es brutes se multiplient, les organisations doivent les transformer pour pouvoir exploiter les donn\u00e9es disponibles et cr\u00e9er de la valeur. Traditionnellement, les entreprises suivaient le processus ETL pour traiter les donn\u00e9es. Mais depuis quelques ann\u00e9es, ce mod\u00e8le change pour laisser place au reverse ETL. Alors de quoi s\u2019agit-il ? Quelles sont les diff\u00e9rences [&hellip;]<\/p>\n","protected":false},"author":78,"featured_media":204790,"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>Reverse ETL : Qu&#039;est-ce c&#039;est ? \u00c0 quoi \u00e7a sert ?<\/title>\n<meta name=\"description\" content=\"Pour faciliter le processus de traitement des donn\u00e9es, les outils de reverse ETL se d\u00e9veloppent. D\u00e9cryptage.\" \/>\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\/reverse-etl-tout-savoir\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reverse ETL : Qu&#039;est-ce c&#039;est ? \u00c0 quoi \u00e7a sert ?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/datascientest.com\/reverse-etl-tout-savoir\" \/>\n<meta property=\"og:site_name\" content=\"Formation Data Science | DataScientest.com\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-07T07:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-09T13:44:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/datascientest.com\/wp-content\/uploads\/2023\/06\/reverse-etl-datascientest.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"J\u00e9r\u00e9my Robert\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"J\u00e9r\u00e9my Robert\" \/>\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\/reverse-etl-tout-savoir\",\"url\":\"https:\/\/datascientest.com\/reverse-etl-tout-savoir\",\"name\":\"Reverse ETL : Qu'est-ce c'est ? \u00c0 quoi \u00e7a sert ?\",\"isPartOf\":{\"@id\":\"https:\/\/datascientest.com\/#website\"},\"datePublished\":\"2023-07-07T07:30:00+00:00\",\"dateModified\":\"2023-11-09T13:44:25+00:00\",\"author\":{\"@id\":\"https:\/\/datascientest.com\/#\/schema\/person\/7af2361c48e24e79a8aa2360e6e74925\"},\"description\":\"Pour faciliter le processus de traitement des donn\u00e9es, les outils de reverse ETL se d\u00e9veloppent. 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