{"id":6598,"date":"2021-12-11T19:25:40","date_gmt":"2021-12-11T13:55:40","guid":{"rendered":"https:\/\/pheonixsolutions.com\/blog\/?p=6598"},"modified":"2021-12-11T19:25:46","modified_gmt":"2021-12-11T13:55:46","slug":"mysql-how-to-temporarily-disable-a-foreign-key-constraint","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/","title":{"rendered":"MySQL &#8211; How to temporarily disable a foreign key constraint"},"content":{"rendered":"\n<p>To disable foreign key constraints when you want to truncate a table:<\/p>\n\n\n\n<p><strong>Use\u00a0<code>FOREIGN_KEY_CHECKS<\/code><\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">SET FOREIGN_KEY_CHECKS=0;<\/pre>\n\n\n\n<p>and remember to enable it when you\u2019re done:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">SET FOREIGN_KEY_CHECKS=1;<\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>To disable foreign key constraints when you want to truncate a table: Use\u00a0FOREIGN_KEY_CHECKS and remember to enable it when you\u2019re done:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[386,387],"tags":[930,929,928,927,179,932,931],"class_list":{"0":"post-6598","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-database","7":"category-mysql-database","8":"tag-disable-foreign-key","9":"tag-enable-foreign-key","10":"tag-foreignkey","11":"tag-foreignkeycheck","12":"tag-mysql-2","13":"tag-mysql-disable-foreign-key","14":"tag-mysql-enable-foreign-key","15":"h-entry","17":"h-as-article"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pheonix Solutions - We Empower Your Business Growth<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pheonix Solutions - We Empower Your Business Growth\" \/>\n<meta property=\"og:description\" content=\"To disable foreign key constraints when you want to truncate a table: Use\u00a0FOREIGN_KEY_CHECKS and remember to enable it when you\u2019re done:\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/\" \/>\n<meta property=\"og:site_name\" content=\"PHEONIXSOLUTIONS\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/PheonixSolutions-209942982759387\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-11T13:55:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-12-11T13:55:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2016\/09\/PX2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"3837\" \/>\n\t<meta property=\"og:image:height\" content=\"2540\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@pheonixsolution\" \/>\n<meta name=\"twitter:site\" content=\"@pheonixsolution\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\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:\\\/\\\/pheonixsolutions.com\\\/blog\\\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#\\\/schema\\\/person\\\/0ffa33d73c869faec2d50e79c24e3503\"},\"headline\":\"MySQL &#8211; How to temporarily disable a foreign key constraint\",\"datePublished\":\"2021-12-11T13:55:40+00:00\",\"dateModified\":\"2021-12-11T13:55:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\\\/\"},\"wordCount\":32,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#organization\"},\"keywords\":[\"disable foreign key\",\"enable foreign key\",\"foreignkey\",\"foreignkeycheck\",\"mysql\",\"mysql disable foreign key\",\"mysql enable foreign key\"],\"articleSection\":[\"Database\",\"Mysql\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\\\/\",\"url\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\\\/\",\"name\":\"Pheonix Solutions - We Empower Your Business Growth\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#website\"},\"datePublished\":\"2021-12-11T13:55:40+00:00\",\"dateModified\":\"2021-12-11T13:55:46+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"MySQL &#8211; How to temporarily disable a foreign key constraint\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/\",\"name\":\"Pheonix Solutions\",\"description\":\"We Empower Your Business Growth\",\"publisher\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#organization\",\"name\":\"PheonixSolutions\",\"url\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/wp-content\\\/uploads\\\/2016\\\/12\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/wp-content\\\/uploads\\\/2016\\\/12\\\/logo.png\",\"width\":454,\"height\":300,\"caption\":\"PheonixSolutions\"},\"image\":{\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/PheonixSolutions-209942982759387\\\/\",\"https:\\\/\\\/x.com\\\/pheonixsolution\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/#\\\/schema\\\/person\\\/0ffa33d73c869faec2d50e79c24e3503\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/09bacc0294abee1322a23ab4bc6a0330dd4cb4df707dc9d0b0efeba6c109608b?s=96&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/09bacc0294abee1322a23ab4bc6a0330dd4cb4df707dc9d0b0efeba6c109608b?s=96&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/09bacc0294abee1322a23ab4bc6a0330dd4cb4df707dc9d0b0efeba6c109608b?s=96&r=g\",\"caption\":\"admin\"},\"sameAs\":[\"http:\\\/\\\/blog.pheonixsolutions.com\"],\"url\":\"https:\\\/\\\/pheonixsolutions.com\\\/blog\\\/author\\\/admin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Pheonix Solutions - We Empower Your Business Growth","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:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/","og_locale":"en_US","og_type":"article","og_title":"Pheonix Solutions - We Empower Your Business Growth","og_description":"To disable foreign key constraints when you want to truncate a table: Use\u00a0FOREIGN_KEY_CHECKS and remember to enable it when you\u2019re done:","og_url":"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/","og_site_name":"PHEONIXSOLUTIONS","article_publisher":"https:\/\/www.facebook.com\/PheonixSolutions-209942982759387\/","article_published_time":"2021-12-11T13:55:40+00:00","article_modified_time":"2021-12-11T13:55:46+00:00","og_image":[{"width":3837,"height":2540,"url":"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2016\/09\/PX2.png","type":"image\/png"}],"author":"admin","twitter_card":"summary_large_image","twitter_creator":"@pheonixsolution","twitter_site":"@pheonixsolution","twitter_misc":{"Written by":"admin","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/#article","isPartOf":{"@id":"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/"},"author":{"name":"admin","@id":"https:\/\/pheonixsolutions.com\/blog\/#\/schema\/person\/0ffa33d73c869faec2d50e79c24e3503"},"headline":"MySQL &#8211; How to temporarily disable a foreign key constraint","datePublished":"2021-12-11T13:55:40+00:00","dateModified":"2021-12-11T13:55:46+00:00","mainEntityOfPage":{"@id":"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/"},"wordCount":32,"commentCount":0,"publisher":{"@id":"https:\/\/pheonixsolutions.com\/blog\/#organization"},"keywords":["disable foreign key","enable foreign key","foreignkey","foreignkeycheck","mysql","mysql disable foreign key","mysql enable foreign key"],"articleSection":["Database","Mysql"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/","url":"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/","name":"Pheonix Solutions - We Empower Your Business Growth","isPartOf":{"@id":"https:\/\/pheonixsolutions.com\/blog\/#website"},"datePublished":"2021-12-11T13:55:40+00:00","dateModified":"2021-12-11T13:55:46+00:00","breadcrumb":{"@id":"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/pheonixsolutions.com\/blog\/mysql-how-to-temporarily-disable-a-foreign-key-constraint\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/pheonixsolutions.com\/blog\/"},{"@type":"ListItem","position":2,"name":"MySQL &#8211; How to temporarily disable a foreign key constraint"}]},{"@type":"WebSite","@id":"https:\/\/pheonixsolutions.com\/blog\/#website","url":"https:\/\/pheonixsolutions.com\/blog\/","name":"Pheonix Solutions","description":"We Empower Your Business Growth","publisher":{"@id":"https:\/\/pheonixsolutions.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/pheonixsolutions.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/pheonixsolutions.com\/blog\/#organization","name":"PheonixSolutions","url":"https:\/\/pheonixsolutions.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/pheonixsolutions.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2016\/12\/logo.png","contentUrl":"https:\/\/pheonixsolutions.com\/blog\/wp-content\/uploads\/2016\/12\/logo.png","width":454,"height":300,"caption":"PheonixSolutions"},"image":{"@id":"https:\/\/pheonixsolutions.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/PheonixSolutions-209942982759387\/","https:\/\/x.com\/pheonixsolution"]},{"@type":"Person","@id":"https:\/\/pheonixsolutions.com\/blog\/#\/schema\/person\/0ffa33d73c869faec2d50e79c24e3503","name":"admin","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/09bacc0294abee1322a23ab4bc6a0330dd4cb4df707dc9d0b0efeba6c109608b?s=96&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/09bacc0294abee1322a23ab4bc6a0330dd4cb4df707dc9d0b0efeba6c109608b?s=96&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/09bacc0294abee1322a23ab4bc6a0330dd4cb4df707dc9d0b0efeba6c109608b?s=96&r=g","caption":"admin"},"sameAs":["http:\/\/blog.pheonixsolutions.com"],"url":"https:\/\/pheonixsolutions.com\/blog\/author\/admin\/"}]}},"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p7F4uM-1Iq","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts\/6598","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/comments?post=6598"}],"version-history":[{"count":0,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts\/6598\/revisions"}],"wp:attachment":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/media?parent=6598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/categories?post=6598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/tags?post=6598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}