{"id":247975,"date":"2024-08-12T05:30:00","date_gmt":"2024-08-12T05:30:00","guid":{"rendered":"https:\/\/datascientest.com\/?p=247975"},"modified":"2024-08-20T14:17:41","modified_gmt":"2024-08-20T14:17:41","slug":"sql3-nouvelle-generation-langage-requete","status":"publish","type":"post","link":"https:\/\/datascientest.com\/sql3-nouvelle-generation-langage-requete","title":{"rendered":"SQL3 : La nouvelle g\u00e9n\u00e9ration du langage de requ\u00eate"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"247975\" class=\"elementor elementor-247975\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6472d61 e-flex e-con-boxed e-con\" data-id=\"6472d61\" 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-39b394e elementor-widget elementor-widget-heading\" data-id=\"39b394e\" 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><p class=\"elementor-heading-title elementor-size-default\">SQL3, \u00e9galement connu sous le nom de SQL:1999, repr\u00e9sente une avanc\u00e9e majeure dans l'\u00e9volution du langage SQL (Structured Query Language). Publi\u00e9 en d\u00e9cembre 1999 par l'ISO (International Organization for Standardization) et l'IEC (International Electrotechnical Commission), SQL3 a introduit de nombreuses fonctionnalit\u00e9s et des extensions pour r\u00e9pondre aux besoins croissants des applications de bases de donn\u00e9es.<\/p>\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-2acbe50 e-flex e-con-boxed e-con\" data-id=\"2acbe50\" 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-c58f7ae elementor-widget elementor-widget-heading\" data-id=\"c58f7ae\" 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\">\u00c9volution de SQL<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2c84ee elementor-widget elementor-widget-text-editor\" data-id=\"a2c84ee\" 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><span style=\"font-weight: 400;\">Avant de se pencher sur <strong>SQL3<\/strong> plus en d\u00e9tail, il est utile de comprendre l&rsquo;\u00e9volution du <a href=\"https:\/\/datascientest.com\/sql-tout-savoir\">langage SQL<\/a>. SQL a \u00e9t\u00e9 standardis\u00e9 pour la premi\u00e8re fois en 1986 <strong>(SQL:86)<\/strong>, suivi de mises \u00e0 jour importantes en 1989 <strong>(SQL:89)<\/strong> et 1992 <strong>(SQL:92)<\/strong>. Chaque nouvelle version a apport\u00e9 des am\u00e9liorations significatives ce qui a permis d\u2019\u00e9largir les capacit\u00e9s et les fonctionnalit\u00e9s de SQL pour r\u00e9pondre aux exigences.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4e7df18 e-flex e-con-boxed e-con\" data-id=\"4e7df18\" 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-066f117 elementor-widget elementor-widget-heading\" data-id=\"066f117\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Les principales nouveaut\u00e9s de SQL3<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ea129b elementor-widget elementor-widget-text-editor\" data-id=\"4ea129b\" 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;\">SQL3 est une extension de SQL2 et comporte beaucoup d\u2019aspects nouveaux. Voici quelques-unes des principales innovations introduites par SQL3 :<\/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-e298549 elementor-widget elementor-widget-heading\" data-id=\"e298549\" 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-medium\">1. Types de donn\u00e9es d\u00e9finis par l'utilisateur (UDT)<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb655d3 elementor-widget elementor-widget-text-editor\" data-id=\"cb655d3\" 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;\">L&rsquo;une des fonctionnalit\u00e9s les plus marquantes de SQL3 est l&rsquo;introduction des types de donn\u00e9es d\u00e9finis par <strong>l&rsquo;utilisateur (UDT)<\/strong>. Les UDT permettent aux utilisateurs de d\u00e9finir leurs propres types de donn\u00e9es complexes, facilitant ainsi la gestion des donn\u00e9es et des structures complexes.\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">Par exemple, une entreprise peut cr\u00e9er un type de donn\u00e9es personnalis\u00e9 pour repr\u00e9senter une adresse compl\u00e8te, incluant des champs pour la rue, la ville, le code postal,&#8230;<\/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-f8ddd21 elementor-widget elementor-widget-image\" data-id=\"f8ddd21\" 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=\"1000\" height=\"783\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2024\/07\/SQL3_datascientest_2.jpg\" class=\"attachment-full size-full wp-image-247979\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2024\/07\/SQL3_datascientest_2.jpg 1000w, https:\/\/datascientest.com\/wp-content\/uploads\/2024\/07\/SQL3_datascientest_2-300x235.jpg 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2024\/07\/SQL3_datascientest_2-768x601.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\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-e2991fe elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"e2991fe\" 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-sql\">\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\">Se former \u00e0 SQL3<\/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<div class=\"elementor-element elementor-element-3182979 elementor-widget elementor-widget-heading\" data-id=\"3182979\" 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-medium\">2. Tables imbriqu\u00e9es<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8dd463 elementor-widget elementor-widget-text-editor\" data-id=\"a8dd463\" 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;\">SQL3 permet <strong>la cr\u00e9ation de tables imbriqu\u00e9es<\/strong>, o\u00f9 une table peut contenir d&rsquo;autres tables en tant que colonnes. Cette fonctionnalit\u00e9 peut \u00eatre utile et pratique pour <strong>mod\u00e9liser des relations hi\u00e9rarchiques<\/strong>.<\/span><\/p><p><span style=\"font-weight: 400;\">Par exemple, une table repr\u00e9sentant des commandes clients pourrait inclure une table imbriqu\u00e9e des articles command\u00e9s.<\/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-fe424d8 elementor-widget elementor-widget-heading\" data-id=\"fe424d8\" 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-medium\">3. Fonctions et proc\u00e9dures stock\u00e9es<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b64879 elementor-widget elementor-widget-text-editor\" data-id=\"3b64879\" 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;\">SQL3 a consid\u00e9rablement am\u00e9lior\u00e9 le support des fonctions et des proc\u00e9dures stock\u00e9es. Les utilisateurs peuvent d\u00e9sormais \u00e9crire des fonctions et des proc\u00e9dures en utilisant <strong>SQL\/PSM (Persistent Stored Modules)<\/strong>, un sous-ensemble de SQL con\u00e7u pour la programmation proc\u00e9durale.<\/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-0fe31de elementor-widget elementor-widget-heading\" data-id=\"0fe31de\" 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-medium\">4. Triggers (D\u00e9clencheurs)<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4fe9108 elementor-widget elementor-widget-text-editor\" data-id=\"4fe9108\" 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;\">SQL3 a introduit <a href=\"https:\/\/datascientest.com\/trigger-sql-tout-savoir\">les triggers<\/a>, qui permettent d&rsquo;<strong>ex\u00e9cuter automatiquement une proc\u00e9dure ou une action<\/strong> lorsqu&rsquo;un \u00e9v\u00e9nement sp\u00e9cifique se produit sur une table (par exemple, une insertion, une mise \u00e0 jour ou une suppression). Les triggers sont utiles pour maintenir l&rsquo;int\u00e9grit\u00e9 des donn\u00e9es et pour automatiser des processus complexes sans intervention manuelle.<\/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-264ed28 elementor-widget elementor-widget-heading\" data-id=\"264ed28\" 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-medium\">5. Langage de requ\u00eate r\u00e9cursif<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9cd895 elementor-widget elementor-widget-text-editor\" data-id=\"c9cd895\" 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 SQL3, il est d\u00e9sormais possible d&rsquo;<strong>\u00e9crire des requ\u00eates r\u00e9cursives<\/strong> en utilisant la clause <strong>WITH RECURSIVE<\/strong>. Cela permet de g\u00e9rer plus facilement les structures de donn\u00e9es hi\u00e9rarchiques, comme les arborescences et les graphes.<\/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-8ad46bd elementor-widget elementor-widget-heading\" data-id=\"8ad46bd\" 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-medium\">6. Support pour les objets<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79d6451 elementor-widget elementor-widget-text-editor\" data-id=\"79d6451\" 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;\">SQL3 a \u00e9tendu SQL pour inclure le support des concepts de <a href=\"https:\/\/datascientest.com\/programmer-python-fondamentaux\">programmation orient\u00e9e objet (OO)<\/a>, comme l&rsquo;h\u00e9ritage, les m\u00e9thodes et les constructeurs. Cela permet une mod\u00e9lisation plus naturelle et intuitive des donn\u00e9es complexes. Les objets peuvent encapsuler des donn\u00e9es et des comportements, ce qui simplifie la gestion et la <strong>manipulation des donn\u00e9es dans des applications complexes<\/strong>.<\/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\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc66faa e-flex e-con-boxed e-con\" data-id=\"bc66faa\" 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-a5b3468 elementor-widget elementor-widget-heading\" data-id=\"a5b3468\" 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\">Avantages de SQL3<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-09b08f5 elementor-widget elementor-widget-image\" data-id=\"09b08f5\" 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=\"1000\" height=\"747\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2024\/07\/SQL3_datascientest_1.jpg\" class=\"attachment-full size-full wp-image-247978\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2024\/07\/SQL3_datascientest_1.jpg 1000w, https:\/\/datascientest.com\/wp-content\/uploads\/2024\/07\/SQL3_datascientest_1-300x224.jpg 300w, https:\/\/datascientest.com\/wp-content\/uploads\/2024\/07\/SQL3_datascientest_1-768x574.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\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-cd1bbbb elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"cd1bbbb\" 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-sql\">\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\">Se former au langage SQL<\/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<div class=\"elementor-element elementor-element-36c4fea elementor-widget elementor-widget-text-editor\" data-id=\"36c4fea\" 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;\">L&rsquo;introduction de SQL3 a apport\u00e9 plusieurs avantages :<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Flexibilit\u00e9<\/strong> : Avec les types de donn\u00e9es d\u00e9finis par l&rsquo;utilisateur et les tables imbriqu\u00e9es, SQL3 permet une mod\u00e9lisation plus flexible des donn\u00e9es complexes.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Meilleure performance<\/strong> : Les fonctions et proc\u00e9dures stock\u00e9es permettent d&rsquo;optimiser les op\u00e9rations de base de donn\u00e9es en r\u00e9duisant le trafic r\u00e9seau et en centralisant la logique de traitement.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Gestion des donn\u00e9es hi\u00e9rarchiques<\/strong> : Les requ\u00eates r\u00e9cursives et les tables imbriqu\u00e9es simplifient la gestion des structures de donn\u00e9es hi\u00e9rarchiques, couramment utilis\u00e9es dans de nombreuses applications.<\/span><\/li><\/ul>\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-7227156 e-flex e-con-boxed e-con\" data-id=\"7227156\" 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-752dc99 elementor-widget elementor-widget-heading\" data-id=\"752dc99\" 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\">Conclusion<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66ada8c elementor-widget elementor-widget-text-editor\" data-id=\"66ada8c\" 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;\">SQL3 repr\u00e9sente une \u00e9tape importante dans <strong>l&rsquo;\u00e9volution du langage SQL<\/strong>, offrant de nouvelles capacit\u00e9s puissantes pour r\u00e9pondre aux besoins des applications de bases de donn\u00e9es. Gr\u00e2ce \u00e0 ses nombreuses am\u00e9liorations et extensions, SQL3 continue de jouer un r\u00f4le crucial dans la gestion des donn\u00e9es.<\/span><\/p><p><span style=\"font-weight: 400;\">Pour les d\u00e9veloppeurs et les administrateurs de bases de donn\u00e9es, <strong>se familiariser avec SQL3<\/strong> et ses fonctionnalit\u00e9s avanc\u00e9es est essentiel pour tirer parti de tout le potentiel des syst\u00e8mes de gestion de bases de donn\u00e9es relationnelles modernes.<\/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-78b8ab0 elementor-widget elementor-widget-text-editor\" data-id=\"78b8ab0\" 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;\">Pour en savoir plus sur le langage sql et vous former aux <a href=\"https:\/\/datascientest.com\/les-metiers-de-la-data\">m\u00e9tiers de la Data<\/a>, <a href=\"https:\/\/datascientest.com\/formations-data\">rejoignez DataScientest<\/a>.\u00a0<\/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-1ba1c9f elementor-align-center button-principale elementor-widget elementor-widget-button\" data-id=\"1ba1c9f\" 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-sql\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9couvrir notre formation SQL<\/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-5fdfc09 e-flex e-con-boxed e-con\" data-id=\"5fdfc09\" 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-d248184 elementor-widget elementor-widget-html\" data-id=\"d248184\" 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 SQL3 ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"SQL3, ou SQL:1999, est une norme \u00e9volu\u00e9e de SQL qui introduit des fonctionnalit\u00e9s avanc\u00e9es pour la gestion des bases de donn\u00e9es relationnelles.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Quelles sont les principales nouvelles fonctionnalit\u00e9s de SQL3 ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"SQL3 ajoute des types de donn\u00e9es utilisateurs, des objets, des tables temporaires, et des requ\u00eates r\u00e9cursives.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"Pourquoi SQL3 est-il important pour la gestion des bases de donn\u00e9es ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"SQL3 am\u00e9liore les capacit\u00e9s de manipulation et d'analyse des donn\u00e9es, permettant des mod\u00e8les de donn\u00e9es plus complexes et des op\u00e9rations plus efficaces.\"\r\n    }\r\n  },{\r\n    \"@type\": \"Question\",\r\n    \"name\": \"O\u00f9 SQL3 est-il couramment utilis\u00e9 ?\",\r\n    \"acceptedAnswer\": {\r\n      \"@type\": \"Answer\",\r\n      \"text\": \"SQL3 est utilis\u00e9 dans divers syst\u00e8mes de gestion de bases de donn\u00e9es relationnelles pour des applications commerciales, scientifiques, et de gestion d'entreprise n\u00e9cessitant des fonctionnalit\u00e9s avanc\u00e9es.\"\r\n    }\r\n  }]\r\n}\r\n<\/script>\r\n\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>SQL3, \u00e9galement connu sous le nom de SQL:1999, repr\u00e9sente une avanc\u00e9e majeure dans l&rsquo;\u00e9volution du langage SQL (Structured Query Language). Publi\u00e9 en d\u00e9cembre 1999 par l&rsquo;ISO (International Organization for Standardization) et l&rsquo;IEC (International Electrotechnical Commission), SQL3 a introduit de nombreuses fonctionnalit\u00e9s et des extensions pour r\u00e9pondre aux besoins croissants des applications de bases de donn\u00e9es. [&hellip;]<\/p>\n","protected":false},"author":89,"featured_media":247977,"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>SQL3 : La nouvelle g\u00e9n\u00e9ration du langage de requ\u00eate<\/title>\n<meta name=\"description\" content=\"SQL3, \u00e9galement connu sous le nom de SQL:1999, est une norme de langage de requ\u00eate pour les bases de donn\u00e9es relationnelles. 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