{"id":2248,"date":"2026-08-04T16:21:03","date_gmt":"2026-08-04T16:21:03","guid":{"rendered":"https:\/\/www.vpascode.com\/fr\/can-plantuml-draw-erd-complete-guide-free-tool\/"},"modified":"2026-08-04T16:21:03","modified_gmt":"2026-08-04T16:21:03","slug":"can-plantuml-draw-erd-complete-guide-free-tool","status":"publish","type":"post","link":"https:\/\/www.vpascode.com\/fr\/can-plantuml-draw-erd-complete-guide-free-tool\/","title":{"rendered":"PlantUML peut-il dessiner des MCD ? Guide complet et outil gratuit"},"content":{"rendered":"<p><strong>Oui, PlantUML peut dessiner des MCD (diagrammes entit\u00e9-association).<\/strong>Il prend nativement en charge la mod\u00e9lisation de sch\u00e9mas de base de donn\u00e9es en utilisant la notation standard de l&#8217;Ing\u00e9nierie de l&#8217;Information (notation \u00ab pied de corbeau \u00bb) ainsi que la notation classique de diagramme entit\u00e9-association de Chen. Gr\u00e2ce \u00e0 une syntaxe bas\u00e9e sur du texte, les d\u00e9veloppeurs et les architectes de bases de donn\u00e9es peuvent rapidement g\u00e9n\u00e9rer des diagrammes ER propres et contr\u00f4lables en version, sans avoir \u00e0 d\u00e9placer manuellement des \u00e9l\u00e9ments visuels.<\/p>\n<p>Que vous ayez besoin de cartographier des cl\u00e9s primaires, de d\u00e9finir des contraintes de cl\u00e9s \u00e9trang\u00e8res ou de visualiser des relations complexes entre bases de donn\u00e9es, PlantUML offre une approche flexible et ax\u00e9e sur le code. Dans ce guide, nous aborderons la syntaxe ERD de PlantUML, les cardinalit\u00e9s et la mani\u00e8re de rationaliser votre flux de travail gr\u00e2ce \u00e0 un<strong>outil PlantUML gratuit<\/strong>dot\u00e9 de capacit\u00e9s d&#8217;aper\u00e7u en temps r\u00e9el.<\/p>\n<p><img fetchpriority=\"high\" alt=\"A split screen illustrating the Diagram-as-Code concept, showing PlantUML code generating a database Entity-Relationship Diagram with crow's foot relationships.\" class=\"alignnone size-full wp-image-1826\" decoding=\"async\" fetchpriority=\"high\" height=\"816\" sizes=\"(max-width: 1312px) 100vw, 1312px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide.jpg\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide.jpg 1312w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide-300x187.jpg 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide-1024x637.jpg 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/plantuml-erd-diagram-as-code-guide-768x478.jpg 768w\" width=\"1312\"\/><\/p>\n<hr \/>\n<h2>Oui, PlantUML peut dessiner des MCD : r\u00e9ponse rapide et capacit\u00e9s principales<\/h2>\n<p>PlantUML prend en charge la cr\u00e9ation compl\u00e8te de diagrammes entit\u00e9-association d\u00e8s la sortie de la bo\u00eete en utilisant un texte de balisage simple. En tirant parti d&#8217;extensions standard, il rend les structures de base de donn\u00e9es de mani\u00e8re propre et d\u00e9terministe.<\/p>\n<h3>Notations ERD prises en charge dans PlantUML (standard vs. Chen ERD)<\/h3>\n<p>PlantUML propose deux styles principaux pour le rendu des diagrammes ER :<\/p>\n<ul>\n<li><strong>Notation Ing\u00e9nierie de l&#8217;Information (IE) :<\/strong>La notation standard \u00ab pied de corbeau \u00bb utilis\u00e9e pour la mod\u00e9lisation de bases de donn\u00e9es relationnelles, repr\u00e9sentant les entit\u00e9s comme des structures de tables avec des marqueurs explicites pour les cl\u00e9s primaires et \u00e9trang\u00e8res.<\/li>\n<li><strong>Notation Chen ERD :<\/strong>Un style de mod\u00e9lisation conceptuelle qui repr\u00e9sente les entit\u00e9s par des rectangles, les attributs par des ovales et les relations par des losanges.<\/li>\n<\/ul>\n<h3>Syntaxe de base ERD PlantUML et exemple de code<\/h3>\n<p>Voici un exemple minimal fonctionnel d&#8217;un ERD relationnel \u00e9crit en script PlantUML utilisant la notation standard \u00ab pied de corbeau \u00bb :<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XP1FYy8m4CNlWNo7sPvKjg225n6nk2uMhOfMhoNR36oWQIIT7aJzxgQr_c4lEwSPteFVUpCfI5WgTSRP1_sYHZXcGkMSaJa26VWnH4Q3L1PJKiO9d65EYaxWxGkq7eW2IhV0cJDmqwclH4aOGhYAOJJQBCRZk-Rx3mzgeJBdE0JRwJpOjlg3GVkXfHO5eKm4EKCSHhDT74GRpgxlxBML3TnKsujUd__X_qRyVdewhZI9B17Qb7aLu6is3QDWsUfrF_lj9aJTztBnVNDky4FmtDzIB3pE9fXBzz0R\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>Modifier PlantUML dans VPasCode<\/span>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:VP3D2i8m48JlUOgr9nKBAdWH4Oi_MBGgMhsMs2mOQ199jmTHtzsqL0KFxccM6VXsPv8JjrIeZ3NeWWhXcd6f6Paha86p8J8AXBIOaZIQCTGawGRUCKVh0S-XS0Bk3DoqgoMH0eOGRc8OZNQhyRYoVBzEeE8oS_ufs4-NmRxP7mnQjPLQv8GYuUJyE8pcXpY8TkpvXMwjgAccL1zijVtd_bwsU2VQxa_YMSALANH9disdOHIicxrkfzygwTM7ZuVlctlD7OBdQaenzzW4jN3jlG00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"language-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\n!theme plain\ntop to bottom direction\n\nentity \"User\" as user {\n    * user_id : INT &lt;&lt;PK&gt;&gt;\n    --\n    * email : VARCHAR(255)\n    * created_at : TIMESTAMP\n}\n\nentity \"Order\" as order {\n    * order_id : INT &lt;&lt;PK&gt;&gt;\n    --\n    * user_id : INT &lt;&lt;FK&gt;&gt;\n    * total_amount : DECIMAL(10,2)\n}\n\nuser ||--o{ order : \"places\"\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:VP3D2i8m48JlUOgr9nKBAdWH4Oi_MBGgMhsMs2mOQ199jmTHtzsqL0KFxccM6VXsPv8JjrIeZ3NeWWhXcd6f6Paha86p8J8AXBIOaZIQCTGawGRUCKVh0S-XS0Bk3DoqgoMH0eOGRc8OZNQhyRYoVBzEeE8oS_ufs4-NmRxP7mnQjPLQv8GYuUJyE8pcXpY8TkpvXMwjgAccL1zijVtd_bwsU2VQxa_YMSALANH9disdOHIicxrkfzygwTM7ZuVlctlD7OBdQaenzzW4jN3jlG00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n             <\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XP1FYy8m4CNlWNo7sPvKjg225n6nk2uMhOfMhoNR36oWQIIT7aJzxgQr_c4lEwSPteFVUpCfI5WgTSRP1_sYHZXcGkMSaJa26VWnH4Q3L1PJKiO9d65EYaxWxGkq7eW2IhV0cJDmqwclH4aOGhYAOJJQBCRZk-Rx3mzgeJBdE0JRwJpOjlg3GVkXfHO5eKm4EKCSHhDT74GRpgxlxBML3TnKsujUd__X_qRyVdewhZI9B17Qb7aLu6is3QDWsUfrF_lj9aJTztBnVNDky4FmtDzIB3pE9fXBzz0R\" rel=\"noopener noreferrer\" target=\"_blank\">\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\n<span>Modifier PlantUML dans VPasCode<\/span>\n<\/a>\n<\/div>\n<\/div>\n<p>Voici l&#8217;image du diagramme ERD rendu :<br \/>\n<img alt=\"An example ERD editing in Visual Paradigm's VPasCode\" class=\"alignnone wp-image-1844 size-full\" decoding=\"async\" height=\"745\" sizes=\"(max-width: 1192px) 100vw, 1192px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3.png 1192w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3-300x188.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3-1024x640.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7215bd11fe3-768x480.png 768w\" width=\"1192\"\/><\/p>\n<hr \/>\n<h2>Tutoriel \u00e9tape par \u00e9tape : \u00e9crire votre premier diagramme entit\u00e9-association dans PlantUML<\/h2>\n<p>La cr\u00e9ation d&#8217;un ERD dans PlantUML n\u00e9cessite de d\u00e9finir des entit\u00e9s, d&#8217;assigner des types de donn\u00e9es et des contraintes, et de d\u00e9clarer des relations avec des connecteurs de cardinalit\u00e9 appropri\u00e9s.<\/p>\n<h3>D\u00e9finition des entit\u00e9s, attributs et cl\u00e9s primaires\/\u00e9trang\u00e8res<\/h3>\n<p>Les entit\u00e9s sont d\u00e9clar\u00e9es en utilisant le<code>entity<\/code>mot-cl\u00e9. Les attributs sont list\u00e9s entre accolades. Vous pouvez organiser les attributs en utilisant des s\u00e9parateurs en pointill\u00e9s (&#8211;) pour s\u00e9parer les cl\u00e9s primaires, les cl\u00e9s \u00e9trang\u00e8res et les colonnes g\u00e9n\u00e9rales.<code>--<\/code>mot-cl\u00e9. Les attributs sont list\u00e9s entre accolades. Vous pouvez organiser les attributs en utilisant des s\u00e9parateurs en pointill\u00e9s (&#8211;) pour s\u00e9parer les cl\u00e9s primaires, les cl\u00e9s \u00e9trang\u00e8res et les colonnes g\u00e9n\u00e9rales.<\/p>\n<ul>\n<li><strong>Cl\u00e9s primaires (PK) :<\/strong> Indiqu\u00e9 par un ast\u00e9risque (&#8220;<code>*<\/code>) et \u00e9tiquet\u00e9 avec &#8220;<code>&lt;&lt;PK&gt;&gt;<\/code>.<\/li>\n<li><strong>Cl\u00e9s \u00e9trang\u00e8res (FK) :<\/strong> Marqu\u00e9 avec &#8220;<code>&lt;&lt;FK&gt;&gt;<\/code> pour repr\u00e9senter les r\u00e9f\u00e9rences relationnelles.<\/li>\n<li><strong>Champs obligatoires :<\/strong> Mis en \u00e9vidence \u00e0 l&#8217;aide d&#8217;un ast\u00e9risque (&#8220;<code>*<\/code>) avant le nom de la colonne.<\/li>\n<\/ul>\n<h3>Mappage de la cardinalit\u00e9 et des types de relation (1:1, 1:N, N:M)<\/h3>\n<p>Les lignes de relation d\u00e9terminent comment les tables sont li\u00e9es. PlantUML utilise des combinaisons de caract\u00e8res sp\u00e9cifiques pour afficher les connecteurs en forme de pied de corbeau :<\/p>\n<table>\n<thead>\n<tr>\n<th>Syntaxe<\/th>\n<th>Signification de la notation<\/th>\n<th>Type de relation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>||--||<\/code><\/td>\n<td>Exactement un \u00e0 Exactement un<\/td>\n<td>Un \u00e0 Un (1:1)<\/td>\n<\/tr>\n<tr>\n<td><code>||--o{<\/code><\/td>\n<td>Exactement un \u00e0 Z\u00e9ro ou plusieurs<\/td>\n<td>Un \u00e0 Plusieurs (1:N)<\/td>\n<\/tr>\n<tr>\n<td><code>}|--|{<\/code><\/td>\n<td>Un ou plusieurs \u00e0 Un ou plusieurs<\/td>\n<td>Plusieurs \u00e0 Plusieurs (N:M)<\/td>\n<\/tr>\n<tr>\n<td><code>|o--o{<\/code><\/td>\n<td>Z\u00e9ro ou un \u00e0 Z\u00e9ro ou plusieurs<\/td>\n<td>Un \u00e0 Plusieurs optionnel<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>Surmonter les points de douleur et les limites courantes des diagrammes ERD PlantUML<\/h2>\n<p>Bien que PlantUML soit puissant, l&#8217;utilisation d&#8217;outils CLI locaux ou d&#8217;installations de serveur introduit souvent des frictions dans les flux de travail des d\u00e9veloppeurs.<\/p>\n<h3>D\u00e9pannage de la syntaxe et correction d&#8217;erreurs assist\u00e9e par IA<\/h3>\n<p>Une parenth\u00e8se manquante ou une syntaxe de relation invalide dans PlantUML peut bloquer le rendu sans offrir de retour d&#8217;information de d\u00e9bogage clair. Trouver des fautes de frappe dans de grands sch\u00e9mas de base de donn\u00e9es peut co\u00fbter un temps de d\u00e9veloppement pr\u00e9cieux.<\/p>\n<h3>Gestion des sch\u00e9mas complexes et lisibilit\u00e9 de la mise en page<\/h3>\n<p>\u00c0 mesure que les sch\u00e9mas s&#8217;\u00e9tendent \u00e0 des dizaines de tables, les algorithmes de mise en page automatique de Graphviz peuvent produire des lignes de relation qui se chevauchent. Les d\u00e9veloppeurs ont besoin d&#8217;outils qui fournissent un retour visuel instantan\u00e9 pour affiner efficacement les directives de mise en page.<\/p>\n<hr \/>\n<h2>Optimisation des flux de travail ERD PlantUML avec VPasCode et l&#8217;IA<\/h2>\n<p>Si vous recherchez un<strong>\u00e9diteur ERD PlantUML gratuit<\/strong>qui \u00e9limine les tracas de configuration locale,<a href=\"https:\/\/vpascode.com\" rel=\"noopener\" target=\"_blank\">Visual Paradigm VPasCode<\/a>offre une solution en ligne compl\u00e8te bas\u00e9e sur le navigateur, aliment\u00e9e par des fonctionnalit\u00e9s d&#8217;IA natives.<\/p>\n<p id=\"oICzpPg\"><img alt=\"Screenshot of Visual Paradigm VPasCode editing an PlantUML ERD in its PlantUML editor\" class=\"alignnone wp-image-1831 size-full\" decoding=\"async\" height=\"745\" sizes=\"(max-width: 1192px) 100vw, 1192px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469.png 1192w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469-300x188.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469-1024x640.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a7211284a469-768x480.png 768w\" width=\"1192\"\/><\/p>\n<h3>G\u00e9n\u00e9ration et modification instantan\u00e9es de diagrammes par IA<\/h3>\n<p>Comme mis en \u00e9vidence dans notre<a href=\"https:\/\/updates.visual-paradigm.com\/releases\/vpascode-ai-diagram-generation-code-modification-update\/\" rel=\"noopener\" target=\"_blank\">Mise \u00e0 jour majeure de VPasCode : G\u00e9n\u00e9rez et modifiez des diagrammes instantan\u00e9ment avec l&#8217;IA<\/a>, vous pouvez \u00e9viter la codification manuelle en saisissant des invites en langage naturel\u2014telles que<em>\u00ab G\u00e9n\u00e9rer un diagramme ERD en PlantUML pour une base de donn\u00e9es e-commerce \u00bb<\/em>\u2014ce qui vous permet de cr\u00e9er et de refactoriser des sch\u00e9mas nativement dans l&#8217;\u00e9diteur en quelques secondes.<\/p>\n<h3>Rendu instantan\u00e9 bas\u00e9 sur le navigateur et d\u00e9tection automatique du format<\/h3>\n<p>VPasCode sert d&#8217;outil intuitif, sans installation,<strong>outil PlantUML gratuit<\/strong>. Il suffit de coller votre script ou de saisir votre demande dans l&#8217;\u00e9diteur, et la plateforme d\u00e9tecte automatiquement la syntaxe PlantUML pour afficher votre diagramme ERD en temps r\u00e9el.<\/p>\n<h3>Diagrammes multilingues avec traduction par IA<\/h3>\n<p>Lorsque vous travaillez avec des \u00e9quipes d&#8217;ing\u00e9nierie distribu\u00e9es, la documentation doit souvent \u00eatre localis\u00e9e. VPasCode int\u00e8gre des fonctionnalit\u00e9s de traduction par IA natives, vous permettant de traduire le texte des diagrammes et les \u00e9tiquettes d&#8217;entit\u00e9s dans plusieurs langues directement dans l&#8217;\u00e9diteur en un seul clic.<\/p>\n<h3>Exportation et int\u00e9gration des diagrammes ERD dans OpenDocs et les sp\u00e9cifications techniques<\/h3>\n<p>Une fois votre diagramme ERD pr\u00eat, exportez votre conception sous forme de fichiers PNG haute r\u00e9solution ou SVG vectoriels. Vous pouvez \u00e9galement int\u00e9grer des diagrammes directement dans OpenDocs ou g\u00e9n\u00e9rer des liens partageables instantan\u00e9s pour les demandes de tirage et les revues de conception.<\/p>\n<p><em>(Note : Les fonctionnalit\u00e9s avanc\u00e9es de g\u00e9n\u00e9ration de diagrammes par IA, de modification de code et de correction d&#8217;erreurs sont disponibles dans l&#8217;\u00e9dition Deluxe de Visual Paradigm Online \/ l&#8217;\u00e9dition Professionnelle+ de Visual Paradigm Desktop).<\/em><\/p>\n<hr \/>\n<h2>PlantUML contre Mermaid contre SQL : Choisir la bonne approche de diagramme en tant que code<\/h2>\n<p>Choisir le bon format de Diagramme-en-tant-que-Code (DaC) d\u00e9pend de l&#8217;outillage existant de votre \u00e9quipe et des exigences du projet.<\/p>\n<h3>Quand utiliser PlantUML par rapport \u00e0 Mermaid pour les sch\u00e9mas de base de donn\u00e9es<\/h3>\n<ul>\n<li><strong>Choisissez PlantUML :<\/strong> Lorsque vous avez besoin de capacit\u00e9s de mod\u00e9lisation avanc\u00e9es, de th\u00e8mes de style personnalis\u00e9s, d&#8217;un support Chen pour les MLD, ou de regroupements de packages complexes.<\/li>\n<li><strong>Choisissez Mermaid :<\/strong> Lorsque vous pr\u00e9f\u00e9rez une syntaxe simple et l\u00e9g\u00e8re, rendue nativement dans les fichiers Markdown GitHub.<\/li>\n<\/ul>\n<blockquote style=\"background: #f9f9f9; border-left: 4px solid #0073aa; padding: 10px 15px; margin: 15px 0;\"><p><strong>Conseil pro :<\/strong> VPasCode prend en charge de mani\u00e8re transparente les formats PlantUML et Mermaid. Vous pouvez basculer entre les langages de sp\u00e9cification d\u00e9di\u00e9s (DSL) dans le m\u00eame \u00e9diteur sans modifier votre flux de travail.<\/p><\/blockquote>\n<h3>G\u00e9n\u00e9ration de MLD directement \u00e0 partir de sch\u00e9mas SQL bruts<\/h3>\n<p>En plus des langages de sp\u00e9cification d\u00e9di\u00e9s (DSL) de type \u00ab Diagramme en tant que Code \u00bb, <a href=\"https:\/\/www.vpascode.com\/editor\/\">VPasCode<\/a> peut analyser directement les instructions DDL SQL brutes, vous permettant de convertir des scripts de migration de base de donn\u00e9es existants directement en MLD visuels rendus, sans conversion manuelle.<\/p>\n<hr \/>\n<h2>Questions fr\u00e9quemment pos\u00e9es (FAQ)<\/h2>\n<h3>PlantUML est-il gratuit pour la g\u00e9n\u00e9ration de MLD ?<\/h3>\n<p>Oui, PlantUML est open-source. De plus, des plateformes en ligne comme VPasCode offrent un acc\u00e8s gratuit \u00e0 l&#8217;\u00e9dition de code web, au rendu en direct et \u00e0 l&#8217;exportation d&#8217;images.<\/p>\n<h3>PlantUML peut-il g\u00e9n\u00e9rer automatiquement des MLD \u00e0 partir d&#8217;une base de donn\u00e9es ?<\/h3>\n<p>PlantUML lui-m\u00eame n\u00e9cessite une entr\u00e9e de script, mais des outils de base de donn\u00e9es ou des \u00e9diteurs en ligne comme VPasCode peuvent prendre des scripts SQL, des structures de donn\u00e9es ou des invites d&#8217;IA en langage naturel et les rendre automatiquement en diagrammes ER visuels.<\/p>\n<h3>Comment repr\u00e9senter les relations de cl\u00e9s \u00e9trang\u00e8res dans PlantUML ?<\/h3>\n<p>Vous pouvez indiquer les cl\u00e9s primaires et \u00e9trang\u00e8res \u00e0 l&#8217;aide de st\u00e9r\u00e9otypes tels que <code>&lt;&lt;PK&gt;&gt;<\/code> et <code>&lt;&lt;FK&gt;&gt;<\/code> \u00e0 c\u00f4t\u00e9 des d\u00e9finitions d&#8217;attributs, et connecter les entit\u00e9s en utilisant la syntaxe \u00ab pied de corbeau \u00bb telle que <code>||--o{<\/code>.<\/p>\n","protected":false},"excerpt":{"rendered":"Oui, PlantUML peut dessiner des MCD (diagrammes entit\u00e9-association).Il prend nativement en charge la mod\u00e9lisation de sch\u00e9mas de base de donn\u00e9es en utilisant la notation standard de l&#8217;Ing\u00e9nierie de l&#8217;Information (notation \u00ab pied de corbeau \u00bb) ainsi que la notation classique&#8230;","protected":false},"author":4,"featured_media":2249,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Can PlantUML Draw ERD? 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