{"id":8695,"date":"2024-03-14T08:32:30","date_gmt":"2024-03-14T08:32:30","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/"},"modified":"2025-08-03T08:28:46","modified_gmt":"2025-08-03T08:28:46","slug":"how-can-multiple-result-sets-in-sql-be-merged-into-one-row","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/","title":{"rendered":"Merge SQL Result Sets: UNION ALL vs JOIN"},"content":{"rendered":"<p>In SQL, the UNION ALL operator can be used to combine multiple result sets into one result set. For example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> column1 <span class=\"hljs-keyword\">FROM<\/span> table1\r\n<span class=\"hljs-keyword\">UNION<\/span> <span class=\"hljs-keyword\">ALL<\/span>\r\n<span class=\"hljs-keyword\">SELECT<\/span> column2 <span class=\"hljs-keyword\">FROM<\/span> table2\r\n<\/code><\/pre>\n<p>This will merge column1 from table1 and column2 from table2 into one result set. You can also connect multiple tables using JOIN operators and merge the result sets into one row. For example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> table1.column1, table2.column2 \r\n<span class=\"hljs-keyword\">FROM<\/span> table1\r\n<span class=\"hljs-keyword\">JOIN<\/span> table2 <span class=\"hljs-keyword\">ON<\/span> table1.id <span class=\"hljs-operator\">=<\/span> table2.id\r\n<\/code><\/pre>\n<p>This will join the rows that meet the criteria in table1 and table2 together, merging them into one result set.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In SQL, the UNION ALL operator can be used to combine multiple result sets into one result set. For example: SELECT column1 FROM table1 UNION ALL SELECT column2 FROM table2 This will merge column1 from table1 and column2 from table2 into one result set. You can also connect multiple tables using JOIN operators and merge [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[11843,5115,10242,11844,5096],"class_list":["post-8695","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-combine-sql-results","tag-sql-join","tag-sql-merge","tag-sql-result-sets","tag-union-all"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Merge SQL Result Sets: UNION ALL vs JOIN - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to combine multiple SQL results into single rows using UNION ALL and JOIN operators with practical examples.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Merge SQL Result Sets: UNION ALL vs JOIN\" \/>\n<meta property=\"og:description\" content=\"Learn how to combine multiple SQL results into single rows using UNION ALL and JOIN operators with practical examples.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T08:32:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-03T08:28:46+00:00\" \/>\n<meta name=\"author\" content=\"Ava Mitchell\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ava Mitchell\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/\"},\"author\":{\"name\":\"Ava Mitchell\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/a3e2658c2cb9fb2be95ae0a8861f4a64\"},\"headline\":\"Merge SQL Result Sets: UNION ALL vs JOIN\",\"datePublished\":\"2024-03-14T08:32:30+00:00\",\"dateModified\":\"2025-08-03T08:28:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/\"},\"wordCount\":81,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"combine SQL results\",\"SQL join\",\"SQL MERGE\",\"SQL result sets\",\"UNION ALL\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/\",\"name\":\"Merge SQL Result Sets: UNION ALL vs JOIN - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T08:32:30+00:00\",\"dateModified\":\"2025-08-03T08:28:46+00:00\",\"description\":\"Learn how to combine multiple SQL results into single rows using UNION ALL and JOIN operators with practical examples.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Merge SQL Result Sets: UNION ALL vs JOIN\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/a3e2658c2cb9fb2be95ae0a8861f4a64\",\"name\":\"Ava Mitchell\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/15c63cd0564b4a2e07d611bcdffa296f6ea80e8db07c3091f43a84010514899d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/15c63cd0564b4a2e07d611bcdffa296f6ea80e8db07c3091f43a84010514899d?s=96&d=mm&r=g\",\"caption\":\"Ava Mitchell\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/avamitchell\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Merge SQL Result Sets: UNION ALL vs JOIN - Blog - Silicon Cloud","description":"Learn how to combine multiple SQL results into single rows using UNION ALL and JOIN operators with practical examples.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/","og_locale":"en_US","og_type":"article","og_title":"Merge SQL Result Sets: UNION ALL vs JOIN","og_description":"Learn how to combine multiple SQL results into single rows using UNION ALL and JOIN operators with practical examples.","og_url":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-14T08:32:30+00:00","article_modified_time":"2025-08-03T08:28:46+00:00","author":"Ava Mitchell","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Ava Mitchell","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/"},"author":{"name":"Ava Mitchell","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/a3e2658c2cb9fb2be95ae0a8861f4a64"},"headline":"Merge SQL Result Sets: UNION ALL vs JOIN","datePublished":"2024-03-14T08:32:30+00:00","dateModified":"2025-08-03T08:28:46+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/"},"wordCount":81,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"keywords":["combine SQL results","SQL join","SQL MERGE","SQL result sets","UNION ALL"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/","url":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/","name":"Merge SQL Result Sets: UNION ALL vs JOIN - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-14T08:32:30+00:00","dateModified":"2025-08-03T08:28:46+00:00","description":"Learn how to combine multiple SQL results into single rows using UNION ALL and JOIN operators with practical examples.","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/how-can-multiple-result-sets-in-sql-be-merged-into-one-row\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Merge SQL Result Sets: UNION ALL vs JOIN"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/blog\/#website","url":"https:\/\/www.silicloud.com\/blog\/","name":"Silicon Cloud Blog","description":"","publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.silicloud.com\/blog\/#organization","name":"Silicon Cloud Blog","url":"https:\/\/www.silicloud.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","contentUrl":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","width":1024,"height":1024,"caption":"Silicon Cloud Blog"},"image":{"@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SiliCloudGlobal\/","https:\/\/twitter.com\/SiliCloudGlobal"]},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/a3e2658c2cb9fb2be95ae0a8861f4a64","name":"Ava Mitchell","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/15c63cd0564b4a2e07d611bcdffa296f6ea80e8db07c3091f43a84010514899d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/15c63cd0564b4a2e07d611bcdffa296f6ea80e8db07c3091f43a84010514899d?s=96&d=mm&r=g","caption":"Ava Mitchell"},"url":"https:\/\/www.silicloud.com\/blog\/author\/avamitchell\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/8695","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=8695"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/8695\/revisions"}],"predecessor-version":[{"id":153521,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/8695\/revisions\/153521"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=8695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=8695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=8695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}