{"id":8884,"date":"2022-07-18T06:31:00","date_gmt":"2022-07-18T04:31:00","guid":{"rendered":"https:\/\/expert-only.com\/?p=8884"},"modified":"2023-02-13T14:55:51","modified_gmt":"2023-02-13T13:55:51","slug":"requete-insert-or-update-sql-server","status":"publish","type":"post","link":"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/","title":{"rendered":"Requ\u00eate Insert or Update avec SQL Server avec des exemples"},"content":{"rendered":"\n<h4 class=\"has-text-align-center wp-block-heading\"><strong><em>Comment \u00e9crire une requ\u00eate SQL Server de type Insert or Update, c&rsquo;est \u00e0 d&rsquo;insertion ou de mise \u00e0 jour des donn\u00e9es ?<\/em><\/strong><\/h4>\n\n\n\n<p>Voici deux solutions diff\u00e9rentes, rapides et faciles pour \u00e9crire une requ\u00eate de type INSERT OR UPDATE avec SQL Server. En d&rsquo;autres termes, pour \u00e9viter l&rsquo;erreur SQL Server \u00ab\u00a0Cannot insert duplicate key in object\u00a0\u00bb, \u00ab\u00a0The duplicate key value is\u00a0\u00bb car la ligne en question existe d\u00e9j\u00e0 dans la table cible. En effet, l&rsquo;insertion de la m\u00eame cl\u00e9 provoquera une <a href=\"https:\/\/expert-only.com\/fr\/erreurs\/\">erreur SQL Server<\/a>.<\/p>\n\n\n\n<p>Avant de commencer, pour tester les deux solutions de mani\u00e8re pratique, ex\u00e9cuter ce script pour cr\u00e9er une table d&rsquo;exemple et ins\u00e9rer deux lignes de donn\u00e9es. La solution est un simple m\u00e9lange d&rsquo;une commande de mise \u00e0 jour et d&rsquo;une commande d&rsquo;insertion. Dans cet exemple, le code de cr\u00e9ation de la table SALES est utilis\u00e9 pour l&rsquo;exemple INSERT ou UPDATE. Et donc la mise \u00e0 jour des lignes de la table cible.<\/p>\n\n\n\n<p>Note : ce SQL insert ou update ins\u00e8re des donn\u00e9es dans une table tr\u00e8s simple, il suffit d&rsquo;adapter le code  au projet actuel.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/#1-deux-approches-simples-insert-or-update-ou-update-or-insert\" >1. Deux approches simples : INSERT OR UPDATE ou UPDATE OR INSERT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/#2-eviter-lerreur-sql-server-cannot-insert-duplicate-key\" >2. Eviter l&rsquo;erreur SQL Server Cannot insert duplicate key<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/#3-exemple-de-requete-insert-or-update-en-deux-etapes\" >3. Exemple de requ\u00eate INSERT OR UPDATE en deux \u00e9tapes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/#4-effectuer-un-update-puis-verifier-le-nombre-de-lignes-mises-a-jour\" >4. Effectuer un UPDATE puis v\u00e9rifier le nombre de lignes mises \u00e0 jour<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/#5-conclusion-sur-insert-or-update-en-t-sql\" >5. Conclusion sur INSERT or UPDATE en T-SQL<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1-deux-approches-simples-insert-or-update-ou-update-or-insert\"><\/span>1. Deux approches simples : INSERT OR UPDATE ou UPDATE OR INSERT<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Apr\u00e8s deux insertions cons\u00e9cutives pour le m\u00eame mois, nous avons obtenu le message d&rsquo;erreur ci-dessous.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"mssql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">-- Script pour supprimer la table si elle existe d\u00e9j\u00e0 \nIF EXISTS (\n\tSELECT \t1 \n\tFROM sys.objects\n\tWHERE \tobject_id = object_id(N'[dbo].[SALES]') \n\t\tAND type in (N'U')\n)\nBEGIN \n\tDROP TABLE [dbo].[SALES]\nEND\nGO\n\n-- Cr\u00e9er la table d'exemple avec la colonne mois , MONTH d\u00e9clar\u00e9e comme UNIQUE\nCREATE TABLE [dbo].[SALES]\n(\n\t[MONTH] \tNVARCHAR(20) UNIQUE,\n\t[AMOUNT] \tNUMERIC(5)\n)\nGO\n\n-- Ins\u00e9rer des donn\u00e9es sur le mois de Janvier pour l'exemple\nINSERT INTO dbo.SALES (MONTH, AMOUNT) VALUES ( N'January', 1000);\nINSERT INTO dbo.SALES (MONTH, AMOUNT) VALUES ( N'January', 2000);<\/pre>\n\n\n\n<p>Le message d&rsquo;erreur SQL Server appara\u00eet et ressemble \u00e0 ceci, avec une version anglaise de SQL Server: <\/p>\n\n\n\n<p>Msg 2627, Level 14, State 1, Line 18<br>Violation of UNIQUE KEY constraint \u2018UQ__SALES__03EA00460E2F3BD5\u2019. Cannot insert duplicate key in object \u2018dbo.SALES\u2019. The duplicate key value is (January).<br>The statement has been terminated.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2-eviter-lerreur-sql-server-cannot-insert-duplicate-key\"><\/span>2. Eviter l&rsquo;erreur SQL Server Cannot insert duplicate key<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Il existe en effet deux fa\u00e7ons de faire, soit un INSERT OR UPDATE, soit l&rsquo;inverse, c&rsquo;est \u00e9 dire un UPDATE OR INSERT.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3-exemple-de-requete-insert-or-update-en-deux-etapes\"><\/span>3. Exemple de requ\u00eate INSERT OR UPDATE en deux \u00e9tapes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tout d&rsquo;abord, on teste si la ligne \u00e0 ins\u00e9rer existe dans la table, en utilisant la fonction <a href=\"https:\/\/docs.microsoft.com\/fr-fr\/sql\/t-sql\/language-elements\/exists-transact-sql?view=sql-server-ver16\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">EXISTS<\/a>. Ensuite, en fonction du r\u00e9sultat, si la ligne existe alors nous effectuons un UPDATE pour mettre \u00e0 jour la valeur, et si elle n&rsquo;existe pas alors nous lan\u00e7ons un INSERT pour ins\u00e9rer une nouvelle ligne. <\/p>\n\n\n\n<p>En pratique, c&rsquo;est effectivement un INSERT OR UPDATE, m\u00eame si l&rsquo;insertion de donn\u00e9es n&rsquo;est pas ex\u00e9cut\u00e9e \u00e0 chaque fois. C&rsquo;est \u00e0 dire dans le cas ou la ligne est d\u00e9j\u00e0 pr\u00e9sente dans la table SQL Server.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"mssql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">IF NOT EXISTS(SELECT * FROM dbo.SALES WHERE MONTH = 'January')\nBEGIN\n\tINSERT INTO dbo.SALES (MONTH, AMOUNT) \n\tVALUES ( N'January', 2000);\nEND\nELSE\n\tBEGIN\n\t\tUPDATE dbo.SALES\n\t\tSET AMOUNT = 2000\n\t\tWHERE MONTH = 'January';\n\tEND\nGO\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-effectuer-un-update-puis-verifier-le-nombre-de-lignes-mises-a-jour\"><\/span>4. Effectuer un UPDATE puis v\u00e9rifier le nombre de lignes mises \u00e0 jour<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Deuxi\u00e8mement, commencer par une mise \u00e0 jour de la ligne. Ensuite, seulement si le nombre de lignes mises \u00e0 jour est \u00e9gal \u00e0 z\u00e9ro alors ex\u00e9cuter l&rsquo;instruction INSERT. Enfin, cette derni\u00e8re ins\u00e8re une nouvelle ligne pour le mois de janvier, qui est la cl\u00e9.<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"mssql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">UPDATE dbo.SALES\n\tSET AMOUNT = 2000\n\tWHERE MONTH = 'January';\n\t\nIF @@ROWCOUNT = 0\nBEGIN\n\tINSERT INTO dbo.SALES ( MONTH, AMOUNT ) \n\tVALUES ( N'January', 2000);\nEND;<\/pre>\n\n\n\n<p>Enfin, cet article pr\u00e9sente deux fa\u00e7ons de v\u00e9rifier l&rsquo;existence de donn\u00e9es avant d&rsquo;ins\u00e9rer ou apr\u00e8s une mise \u00e0 jour d&rsquo;une table SQL Server.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5-conclusion-sur-insert-or-update-en-t-sql\"><\/span>5. Conclusion sur INSERT or UPDATE en T-SQL<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>En conclusion, ce tutoriel T-SQL pr\u00e9sente deux solutions simples pour \u00e9crire une requ\u00eate SQL Server de type INSERT OR UPDATE, qui permet d&rsquo;\u00e9viter l&rsquo;erreur \u00ab\u00a0Cannot insert duplicate key in object\u00a0\u00bb. En utilisant des commandes d&rsquo;insertion et de mise \u00e0 jour, les solutions permettent de v\u00e9rifier si une ligne existe d\u00e9j\u00e0 dans la table cible avant d&rsquo;ins\u00e9rer ou de mettre \u00e0 jour des donn\u00e9es.<\/p>\n\n\n\n<p>La premi\u00e8re solution utilise une requ\u00eate INSERT OR UPDATE en deux \u00e9tapes, qui teste d&rsquo;abord l&rsquo;existence de la ligne \u00e0 ins\u00e9rer avant de mettre \u00e0 jour ou d&rsquo;ins\u00e9rer les donn\u00e9es.<\/p>\n\n\n\n<p>La seconde solution utilise une requ\u00eate UPDATE, suivie d&rsquo;une v\u00e9rification du nombre de lignes mises \u00e0 jour et d&rsquo;une instruction INSERT si n\u00e9cessaire.<\/p>\n\n\n\n<p>En utilisant ces m\u00e9thodes, les d\u00e9veloppeurs SQL peuvent \u00e9viter les erreurs de duplication et assurer l&rsquo;int\u00e9grit\u00e9 des donn\u00e9es dans leurs tables SQL Server. Pour aller plus loin, consulter cet exemple T-SQL pour <a href=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-sql-server-insert-into-depuis-select\/\">ins\u00e9rer des lignes \u00e0 partir d&rsquo;une requ\u00eate select SQL Server<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-tutoriels-sql-et-it wp-block-embed-tutoriels-sql-et-it\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"3EUK624dYS\"><a href=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-sql-server-insert-into-depuis-select\/\">Requ\u00eate SQL Server Insert Into depuis un Select<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"\u00ab\u00a0Requ\u00eate SQL Server Insert Into depuis un Select\u00a0\u00bb &#8212; Tutoriels SQL et IT\" src=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-sql-server-insert-into-depuis-select\/embed\/#?secret=xdeqiYN7oV#?secret=3EUK624dYS\" data-secret=\"3EUK624dYS\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Comment \u00e9crire une requ\u00eate SQL Server de type Insert or Update, c&rsquo;est \u00e0 d&rsquo;insertion ou de mise \u00e0 jour des donn\u00e9es ? Voici deux solutions diff\u00e9rentes, rapides et faciles pour \u00e9crire une requ\u00eate de type INSERT OR UPDATE avec <a class=\"mh-excerpt-more\" href=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/\" title=\"Requ\u00eate Insert or Update avec SQL Server avec des exemples\">&#8230;<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":10832,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":{"0":"post-8884","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-t-sql"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v26.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Requ\u00eate Insert or Update SQL Server - Tutoriels T-SQL<\/title>\n<meta name=\"description\" content=\"Exemples de requ\u00eates SQL Server Insert Or Update ou Update or Insert pour \u00e9viter l&#039;erreur de violation de la cl\u00e9 unique.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Requ\u00eate Insert or Update avec SQL Server avec des exemples\" \/>\n<meta property=\"og:description\" content=\"Exemples de requ\u00eates SQL Server Insert Or Update ou Update or Insert pour \u00e9viter l&#039;erreur de violation de la cl\u00e9 unique.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/\" \/>\n<meta property=\"og:site_name\" content=\"Tutoriels SQL et IT\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ExpertOnlyCom\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-07-18T04:31:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-13T13:55:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/expert-only.com\/wp-content\/uploads\/2022\/09\/problem-1951987_1920x1080.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Expert-Only\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@expert_only\" \/>\n<meta name=\"twitter:site\" content=\"@expert_only\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Expert-Only\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/\"},\"author\":{\"name\":\"Expert-Only\",\"@id\":\"https:\/\/expert-only.com\/fr\/#\/schema\/person\/406a9576b52944f018739a42046873ef\"},\"headline\":\"Requ\u00eate Insert or Update avec SQL Server avec des exemples\",\"datePublished\":\"2022-07-18T04:31:00+00:00\",\"dateModified\":\"2023-02-13T13:55:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/\"},\"wordCount\":720,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/expert-only.com\/fr\/#organization\"},\"image\":{\"@id\":\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/expert-only.com\/wp-content\/uploads\/2022\/09\/problem-1951987_1920x1080.jpg\",\"articleSection\":[\"T-SQL\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/\",\"url\":\"https:\/\/expert-only.com\/fr\/t-sql\/requete-insert-or-update-sql-server\/\",\"name\":\"Requ\u00eate Insert or Update SQL Server - 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