{"id":402,"date":"2024-08-28T08:45:10","date_gmt":"2024-08-28T08:45:10","guid":{"rendered":"https:\/\/techkubo.com\/sql\/?p=402"},"modified":"2025-05-23T10:58:22","modified_gmt":"2025-05-23T10:58:22","slug":"add","status":"publish","type":"post","link":"https:\/\/techkubo.com\/sql\/add\/","title":{"rendered":"ADD"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">SQL ADD Keyword<\/h1>\n\n\n\n<p>The ADD keyword in SQL is used with the ALTER TABLE statement to add a new column to an existing table.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SQL ADD Syntax<\/h2>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:false,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;sql&quot;,&quot;mime&quot;:&quot;text\/x-sql&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&quot;,&quot;language&quot;:&quot;SQL&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;sql&quot;}\">ALTER TABLE table_name\nADD column_name datatype;<\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SQL ADD Example<\/h2>\n\n\n\n<p>This query adds a new column named <code>email<\/code> of type <code>VARCHAR(255)<\/code> to the <code>Patients<\/code> table:<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;showPanel&quot;:true,&quot;languageLabel&quot;:false,&quot;fullScreenButton&quot;:true,&quot;copyButton&quot;:true,&quot;mode&quot;:&quot;sql&quot;,&quot;mime&quot;:&quot;text\/x-sql&quot;,&quot;theme&quot;:&quot;default&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&quot;,&quot;language&quot;:&quot;SQL&quot;,&quot;maxHeight&quot;:&quot;400px&quot;,&quot;modeName&quot;:&quot;sql&quot;}\">ALTER TABLE Patients\nADD email VARCHAR(255);<\/pre><\/div>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"266\" src=\"https:\/\/techkubo.com\/sql\/wp-content\/uploads\/sites\/3\/2024\/08\/image-113-1024x266.png\" alt=\"\" class=\"wp-image-1289\" style=\"width:960px;height:auto\" srcset=\"https:\/\/techkubo.com\/sql\/wp-content\/uploads\/sites\/3\/2024\/08\/image-113-1024x266.png 1024w, 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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