{"id":15,"date":"2025-07-30T19:39:24","date_gmt":"2025-07-30T19:39:24","guid":{"rendered":"https:\/\/ledatalab.fr\/?page_id=15"},"modified":"2025-08-20T16:06:47","modified_gmt":"2025-08-20T16:06:47","slug":"glossaire","status":"publish","type":"page","link":"https:\/\/ledatalab.fr\/index.php\/glossaire\/","title":{"rendered":"Glossaire"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\"><strong>\ud83e\udde0 Glossaire de la Data &amp; de la Business Intelligence<\/strong><\/h1>\n\n\n\n<p>Bienvenue dans le glossaire du Data Lab, un espace pens\u00e9 pour rendre accessible l\u2019univers de la donn\u00e9e, de la Business Intelligence \u00e0 l\u2019intelligence artificielle, en passant par le cloud et la gouvernance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pourquoi ce glossaire ?<\/h3>\n\n\n\n<p>Parce que dans un monde o\u00f9 les donn\u00e9es sont omnipr\u00e9sentes, comprendre les mots, c\u2019est d\u00e9j\u00e0 comprendre les enjeux. Trop souvent, le vocabulaire technique cr\u00e9e des barri\u00e8res entre les experts et les m\u00e9tiers. Ce glossaire a donc une ambition simple : vulgariser, clarifier et illustrer les concepts essentiels de la data.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c0 qui s\u2019adresse-t-il ?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aux d\u00e9butants qui souhaitent apprivoiser le monde de la donn\u00e9e<\/li>\n\n\n\n<li>Aux professionnels m\u00e9tiers qui croisent des termes obscurs dans les projets<\/li>\n\n\n\n<li>Aux curieux et autodidactes en qu\u00eate de rep\u00e8res clairs<\/li>\n\n\n\n<li>Et m\u00eame aux experts qui cherchent un exemple rapide ou une d\u00e9finition synth\u00e9tique<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ce que vous trouverez ici<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Des d\u00e9finitions simples et p\u00e9dagogiques<\/li>\n\n\n\n<li>Des exemples concrets pour mieux visualiser chaque concept<\/li>\n\n\n\n<li>Les outils ou technologies associ\u00e9es (ex. : Power BI, Snowflake, Python)<\/li>\n\n\n\n<li>Une classification th\u00e9matique claire pour explorer par domaine<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Ce glossaire est vivant : il s\u2019enrichit r\u00e9guli\u00e8rement de nouveaux termes.<br>Si un mot vous semble manquer ou vous pose question, faites-le nous savoir !<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"#glossaire-a\">A<\/a> &#8211; <a href=\"#glossaire-d\">D<\/a> &#8211; <a href=\"#glossaire-e\">E<\/a> &#8211; <a href=\"#glossaire-f\">F<\/a> &#8211; <a href=\"#glossaire-g\">G<\/a> &#8211; <a href=\"#glossaire-k\">K<\/a> &#8211; <a href=\"#glossaire-m\">M<\/a> &#8211; <a href=\"#glossaire-o\">O<\/a> &#8211; <a href=\"#glossaire-p\">P<\/a> &#8211; <a href=\"#glossaire-r\">R<\/a> &#8211; <a href=\"#glossaire-s\">S<\/a> &#8211; <a href=\"#glossaire-t\">T<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-a\">A<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">API (Application Programming Interface)<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Une API est une interface de programmation qui permet \u00e0 deux applications ou syst\u00e8mes informatiques de communiquer entre eux de mani\u00e8re standardis\u00e9e, sans intervention humaine.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/api\/\" data-type=\"page\" data-id=\"89\">API (Application Programming Interface)<\/a><\/p>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-d\">D<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Dashboard<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Un dashboard, ou tableau de bord, est une interface visuelle interactive qui pr\u00e9sente de fa\u00e7on synth\u00e9tique les informations cl\u00e9s n\u00e9cessaires \u00e0 la prise de d\u00e9cision.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/dashboard\/\" data-type=\"page\" data-id=\"89\">Dashboard<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Data Driven<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>\u00catre data-driven, c\u2019est adopter une culture et une strat\u00e9gie o\u00f9 les d\u00e9cisions sont prises sur la base de donn\u00e9es concr\u00e8tes, et non uniquement sur l\u2019intuition, l\u2019exp\u00e9rience ou les habitudes.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/data-driven\/\" data-type=\"page\" data-id=\"89\">Data Driven<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Data Governance<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>La data governance, ou gouvernance des donn\u00e9es, d\u00e9signe l\u2019ensemble des processus, r\u00e8gles, r\u00f4les et responsabilit\u00e9s mis en place pour garantir que les donn\u00e9es d\u2019une organisation soient fiables, bien document\u00e9es, accessibles, s\u00e9curis\u00e9es, et utilis\u00e9es de mani\u00e8re responsable.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/data-governance\/\" data-type=\"page\" data-id=\"89\">Data Governance<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Data Lake<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Un Data Lake est un espace de stockage centralis\u00e9 qui permet de conserver de grandes quantit\u00e9s de donn\u00e9es brutes, dans leur format d\u2019origine, qu\u2019elles soient structur\u00e9es (comme des bases SQL), semi-structur\u00e9es (comme des fichiers JSON, CSV) ou non structur\u00e9es (vid\u00e9os, images, logs, textes\u2026).<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/data-lake\/\" data-type=\"page\" data-id=\"89\">Data Lake<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Data Lineage<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Le Data Lineage, ou tra\u00e7abilit\u00e9 des donn\u00e9es, d\u00e9signe la cartographie compl\u00e8te du cycle de vie d\u2019une donn\u00e9e : d\u2019o\u00f9 elle vient, par quels traitements elle passe, o\u00f9 elle est utilis\u00e9e, et comment elle \u00e9volue dans le temps.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/data-lineage\/\" data-type=\"page\" data-id=\"89\">Data Lineage<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Data Mesh<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Le Data Mesh est une approche d\u00e9centralis\u00e9e de l\u2019architecture data, qui vise \u00e0 r\u00e9soudre les probl\u00e8mes de scalabilit\u00e9, de lenteur et de centralisation rencontr\u00e9s par les plateformes de donn\u00e9es traditionnelles.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/data-mesh\/\" data-type=\"page\" data-id=\"89\">Data Mesh<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Data Steward<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Le Data Steward est un gardien de la qualit\u00e9 des donn\u00e9es dans une organisation. Il veille \u00e0 ce que les donn\u00e9es soient fiables, coh\u00e9rentes, bien document\u00e9es et exploitables.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/data-steward\/\" data-type=\"page\" data-id=\"89\">Data Steward<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Data Warehouse<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Un Data Warehouse, ou entrep\u00f4t de donn\u00e9es, est une base de donn\u00e9es centralis\u00e9e, sp\u00e9cialement con\u00e7ue pour stocker, organiser et analyser des donn\u00e9es historiques provenant de plusieurs sources.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/data-warehouse\/\" data-type=\"page\" data-id=\"89\">Data Warehouse<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">DAX (Data Analysis Expressions)<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>DAX est un langage de formules et d\u2019expressions d\u00e9velopp\u00e9 par Microsoft, utilis\u00e9 pour cr\u00e9er des calculs dynamiques dans Power BI, Excel Power Pivot, et Analysis Services.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/dax\/\" data-type=\"page\" data-id=\"89\">DAX (Data Analysis Expressions)<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Donn\u00e9e Agr\u00e9g\u00e9e<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Une donn\u00e9e agr\u00e9g\u00e9e est une donn\u00e9e issue d\u2019un regroupement ou d\u2019un calcul sur un ensemble de valeurs brutes, souvent dans le but de synth\u00e9tiser une information et la rendre plus lisible et exploitable.,<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/donnee-agregee\/\" data-type=\"page\" data-id=\"89\">Donn\u00e9e Agr\u00e9g\u00e9e<\/a><\/p>\n<\/details>\n\n\n\n<h3 class=\"wp-block-heading\">Drill Down<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Le drill-down (ou exploration descendante) est une fonctionnalit\u00e9 interactive qui permet \u00e0 un utilisateur d\u2019un tableau de bord ou d\u2019un rapport d\u2019explorer progressivement un indicateur, du plus global au plus d\u00e9taill\u00e9.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/drill-down\/\" data-type=\"page\" data-id=\"89\">Drill Down<\/a><\/p>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-e\">E<\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-f\">F<\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-g\">G<\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-k\">K<\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-M\">M<\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-o\">O<\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-p\">P<\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-r\">R<\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-s\">S<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">SQL (Structured Query Language)<\/h3>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>SQL (prononc\u00e9 \u00ab\u00a0ess-ki-elle\u00a0\u00bb ou \u00ab\u00a0sequel\u00a0\u00bb) est un langage informatique standardis\u00e9 utilis\u00e9 pour interroger, manipuler et g\u00e9rer des bases de donn\u00e9es relationnelles.<\/summary>\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Vers la page compl\u00e8te : <a href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/sql\/\" data-type=\"page\" data-id=\"230\">SQL (Structured Query Language)<\/a><\/p>\n<\/details>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\" id=\"glossaire-t\">T<\/h2>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83e\udde0 Glossaire de la Data &amp; de la Business Intelligence Bienvenue dans le glossaire du Data Lab, un espace pens\u00e9 pour rendre accessible l\u2019univers de la donn\u00e9e, de la Business Intelligence \u00e0 l\u2019intelligence artificielle, en passant par le cloud et la gouvernance. Pourquoi ce glossaire ? Parce que dans un monde o\u00f9 les donn\u00e9es sont &#8230; <a title=\"Glossaire\" class=\"read-more\" href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/\" aria-label=\"En savoir plus sur Glossaire\">Lire la suite<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-15","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Glossaire - Le Data Lab<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ledatalab.fr\/index.php\/glossaire\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Glossaire - Le Data Lab\" \/>\n<meta property=\"og:description\" content=\"\ud83e\udde0 Glossaire de la Data &amp; de la Business Intelligence Bienvenue dans le glossaire du Data Lab, un espace pens\u00e9 pour rendre accessible l\u2019univers de la donn\u00e9e, de la Business Intelligence \u00e0 l\u2019intelligence artificielle, en passant par le cloud et la gouvernance. Pourquoi ce glossaire ? Parce que dans un monde o\u00f9 les donn\u00e9es sont ... 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Pourquoi ce glossaire ? Parce que dans un monde o\u00f9 les donn\u00e9es sont ... 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