{"id":27361,"date":"2024-03-17T09:26:28","date_gmt":"2024-03-17T00:26:28","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/"},"modified":"2024-03-22T16:02:25","modified_gmt":"2024-03-22T07:02:25","slug":"%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/","title":{"rendered":"\u300cMySql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d"},"content":{"rendered":"

MySQL\u306eIFNULL\u95a2\u6570\u306f\u3001\u5f0f\u304cNULL\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u3001\u5f0f\u304cNULL\u306e\u5834\u5408\u306f\u6307\u5b9a\u3055\u308c\u305f\u5024\u3092\u8fd4\u3057\u3001\u5f0f\u304cNULL\u3067\u306a\u3044\u5834\u5408\u306f\u5f0f\u305d\u306e\u3082\u306e\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n

\u5f0f\uff1a
\nIFNULL(expr1, expr2)<\/p>\n

\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u8aac\u660e\uff1a<\/p>\n

    \n
  1. expr1\uff1a\u5224\u5b9a\u3059\u308b\u5f0f<\/li>\n
  2. \u3082\u3057expr1\u304cNULL\u306a\u3089\u3001\u8fd4\u3055\u308c\u308b\u5024<\/li>\n<\/ol>\n

    \u4f8b\uff1a<\/p>\n

      \n
    1. IFNULL\u306e(NULL\u3001 ‘abc’)\u306f\u3001’abc’\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n
    2. IFNULL\u95a2\u6570\u306f\u3001NULL\u3067\u306a\u3044\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002IFNULL(10, ‘abc’)\u306f10\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n

      IFNULL\u95a2\u6570\u306f\u3001\u7a7a\u306e\u5024\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u30af\u30a8\u30ea\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u3001\u6307\u5b9a\u3055\u308c\u305f\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u3001NULL\u5024\u306b\u3088\u308b\u30a8\u30e9\u30fc\u307e\u305f\u306f\u4e88\u671f\u3057\u306a\u3044\u7d50\u679c\u3092\u907f\u3051\u308b\u306e\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      MySQL\u306eIFNULL\u95a2\u6570\u306f\u3001\u5f0f\u304cNULL\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u3001\u5f0f\u304cNULL\u306e\u5834\u5408\u306f\u6307\u5b9a\u3055\u308c\u305f\u5024\u3092\u8fd4\u3057\u3001\u5f0f\u304cNULL\u3067\u306a\u3044\u5834\u5408\u306f\u5f0f\u305d\u306e\u3082\u306e\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002 \u5f0f\uff1a IFNULL(expr1, expr2) \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u8aac\u660e […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-27361","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u300cMySql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d - Blog - Silicon Cloud<\/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:\/\/www.silicloud.com\/ja\/blog\/\u300cmysql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u300cMySql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d\" \/>\n<meta property=\"og:description\" content=\"MySQL\u306eIFNULL\u95a2\u6570\u306f\u3001\u5f0f\u304cNULL\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u3001\u5f0f\u304cNULL\u306e\u5834\u5408\u306f\u6307\u5b9a\u3055\u308c\u305f\u5024\u3092\u8fd4\u3057\u3001\u5f0f\u304cNULL\u3067\u306a\u3044\u5834\u5408\u306f\u5f0f\u305d\u306e\u3082\u306e\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002 \u5f0f\uff1a IFNULL(expr1, expr2) \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u8aac\u660e […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/\u300cmysql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-17T00:26:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T07:02:25+00:00\" \/>\n<meta name=\"author\" content=\"\u6d77\u6597, \u8475\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6d77\u6597, \u8475\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/\",\"name\":\"\u300cMySql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\"},\"datePublished\":\"2024-03-17T00:26:28+00:00\",\"dateModified\":\"2024-03-22T07:02:25+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/20cfc053626f4d45c0fa7a4e7964b5b6\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/ja\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u300cMySql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"ja\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/20cfc053626f4d45c0fa7a4e7964b5b6\",\"name\":\"\u6d77\u6597, \u8475\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/25aec9a18954b6bfb7e4f7219c2923d62c6f0c9f4d5c0171228fe41751c0ab7a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/25aec9a18954b6bfb7e4f7219c2923d62c6f0c9f4d5c0171228fe41751c0ab7a?s=96&d=mm&r=g\",\"caption\":\"\u6d77\u6597, \u8475\"},\"url\":\"https:\/\/www.silicloud.com\/ja\/blog\/author\/kaitoaoi\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"ja\",\"@id\":\"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u300cMySql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d - Blog - Silicon Cloud","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\/ja\/blog\/\u300cmysql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d\/","og_locale":"ja_JP","og_type":"article","og_title":"\u300cMySql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d","og_description":"MySQL\u306eIFNULL\u95a2\u6570\u306f\u3001\u5f0f\u304cNULL\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3057\u3001\u5f0f\u304cNULL\u306e\u5834\u5408\u306f\u6307\u5b9a\u3055\u308c\u305f\u5024\u3092\u8fd4\u3057\u3001\u5f0f\u304cNULL\u3067\u306a\u3044\u5834\u5408\u306f\u5f0f\u305d\u306e\u3082\u306e\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002 \u5f0f\uff1a IFNULL(expr1, expr2) \u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u8aac\u660e […]","og_url":"https:\/\/www.silicloud.com\/ja\/blog\/\u300cmysql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-03-17T00:26:28+00:00","article_modified_time":"2024-03-22T07:02:25+00:00","author":"\u6d77\u6597, \u8475","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u6d77\u6597, \u8475"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/","url":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/","name":"\u300cMySql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website"},"datePublished":"2024-03-17T00:26:28+00:00","dateModified":"2024-03-22T07:02:25+00:00","author":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/20cfc053626f4d45c0fa7a4e7964b5b6"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/ja\/blog\/"},{"@type":"ListItem","position":2,"name":"\u300cMySql\u306eifnull\u95a2\u6570\u306e\u5f79\u5272\u306f\u4f55\u3067\u3059\u304b\uff1f\u300d"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#website","url":"https:\/\/www.silicloud.com\/ja\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"ja"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/20cfc053626f4d45c0fa7a4e7964b5b6","name":"\u6d77\u6597, \u8475","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/25aec9a18954b6bfb7e4f7219c2923d62c6f0c9f4d5c0171228fe41751c0ab7a?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/25aec9a18954b6bfb7e4f7219c2923d62c6f0c9f4d5c0171228fe41751c0ab7a?s=96&d=mm&r=g","caption":"\u6d77\u6597, \u8475"},"url":"https:\/\/www.silicloud.com\/ja\/blog\/author\/kaitoaoi\/"},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%80%8cmysql%e3%81%aeifnull%e9%96%a2%e6%95%b0%e3%81%ae%e5%bd%b9%e5%89%b2%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f%e3%80%8d\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/27361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/comments?post=27361"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/27361\/revisions"}],"predecessor-version":[{"id":109719,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/posts\/27361\/revisions\/109719"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/media?parent=27361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/categories?post=27361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/ja\/blog\/wp-json\/wp\/v2\/tags?post=27361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}