{"id":983,"date":"2009-01-23T16:53:35","date_gmt":"2009-01-23T07:53:35","guid":{"rendered":"http:\/\/doodlenote.net\/?p=983"},"modified":"2009-01-23T16:53:35","modified_gmt":"2009-01-23T07:53:35","slug":"notnull%e5%88%b6%e7%b4%84%e3%81%ae%e3%83%95%e3%82%a3%e3%83%bc%e3%83%ab%e3%83%89%e3%81%abnull%e3%81%8c%e5%85%a5%e3%81%a3%e3%81%a6%e3%82%82%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ab%e3%81%aa%e3%82%89%e3%81%aa","status":"publish","type":"post","link":"https:\/\/doodlenote.net\/?p=983","title":{"rendered":"NOT NULL\u5236\u7d04\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bNULL\u304c\u5165\u3063\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044"},"content":{"rendered":"

http:\/\/dev.mysql.com\/doc\/refman\/4.1\/ja\/constraint-not-null.html<\/p>\n

NOT NULL \u30ab\u30e9\u30e0\u306b\u304a\u3051\u308b NULL \u3084\u6570\u5024\u30ab\u30e9\u30e0\u306b\u304a\u3051\u308b\u5927\u304d\u3059\u304e\u308b\u6570\u5024\u306e\u3088\u3046\u306b ‘\u6b63\u3057\u304f\u306a\u3044’ \u5024\u3092
\n\u30ab\u30e9\u30e0\u306b\u633f\u5165\u3057\u305f\u5834\u5408\u3001MySQL \u3067\u306f\u30a8\u30e9\u30fc\u3092\u751f\u6210\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30ab\u30e9\u30e0\u3092 ‘\u6700\u9069\u53ef\u80fd\u5024’ \u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002
\n\u6570\u5024\u306b\u3064\u3044\u3066\u306f\u30010\u3001\u4f7f\u7528\u53ef\u80fd\u306a\u6700\u5c0f\u5024\u3001\u307e\u305f\u306f\u4f7f\u7528\u53ef\u80fd\u306a\u6700\u5927\u5024\u3067\u3059\u3002
\n\u6587\u5b57\u5217\u306b\u3064\u3044\u3066\u306f\u3001\u7a7a\u767d\u6587\u5b57\u5217\u3001\u307e\u305f\u306f\u30ab\u30e9\u30e0\u5185\u3067\u4f7f\u7528\u53ef\u80fd\u306a\u6700\u9577\u6587\u5b57\u5217\u3067\u3059\u3002
\n\u3064\u307e\u308a\u3001NULL \u5024\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u30ab\u30e9\u30e0\u306b NULL \u3092\u683c\u7d0d\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001
\n0 \u307e\u305f\u306f ”\uff08\u7a7a\u767d\u6587\u5b57\u5217\uff09\u304c\u4ee3\u308f\u308a\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002
\nNOT NULL\u306e\u4ed6\u306b\u3082\u3001\u4f8b\u3048\u3070char(4)\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b’12345’\u306e\u6587\u5b57\u5217\u3092insert\u3059\u308b\u3068’1234’\u3068\u306a\u3063\u3066\u683c\u7d0d\u3055\u308c\u308b\u3002<\/p>\n

\u306a\u306b\u30fc\uff01
\n\u3053\u306e\u554f\u984c\u306f\u3001STRICT\u30e2\u30fc\u30c9\u306b\u3059\u308b\u3053\u3068\u3067\u56de\u907f\u3067\u304d\u308b\u69d8\u5b50\u3002
\n5.0.2\u4ee5\u4e0a\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u308bSTRICT_ALL_TABLES\u30e2\u30fc\u30c9\u3092\u4f7f\u3046\u3002<\/p>\n

\u30a2\u30d7\u30ea\u30ec\u30d9\u30eb\u3067\u5bfe\u5fdc\u3059\u308b\u306a\u3089
\nSET sql_mode = ‘STRICT_ALL_TABLES’;
\n\u3092SQL\u3068\u3057\u3066\u6d41\u3059\u3002<\/p>\n

my.cnf\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067STRICT\u30e2\u30fc\u30c9\u306b\u3067\u304d\u308b\u3088\u3046\u306a\u306e\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306bsql-mode\u3092\u8ffd\u8a18\u3002<\/p>\n

[mysqld]
\nsql-mode=”STRICT_ALL_TABLES”<\/p>\n

\u3053\u308c\u3067\u300cdoesn’t have a default value\u300d\u30a8\u30e9\u30fc\u3092\u8fd4\u3059\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n

\u53c2\u8003
\nhttp:\/\/d.hatena.ne.jp\/hide-K\/20081016\/1224123822
\nhttp:\/\/d.hatena.ne.jp\/rivertop\/20080911\/1221148321<\/p>\n","protected":false},"excerpt":{"rendered":"

http:\/\/dev.mysql.com\/doc\/refman\/4.1\/ja\/constraint-not-null.html NOT NULL \u30ab\u30e9\u30e0\u306b\u304a\u3051\u308b NULL \u3084\u6570\u5024\u30ab\u30e9\u30e0\u306b\u304a\u3051\u308b\u5927\u304d\u3059\u304e…Continue reading NOT NULL\u5236\u7d04\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bNULL\u304c\u5165\u3063\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[3],"class_list":["post-983","post","type-post","status-publish","format-standard","hentry","category-program","tag-oldblog"],"yoast_head":"\nNOT NULL\u5236\u7d04\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bNULL\u304c\u5165\u3063\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044 - Memolog<\/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:\/\/doodlenote.net\/?p=983\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NOT NULL\u5236\u7d04\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bNULL\u304c\u5165\u3063\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044 - 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Memolog","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:\/\/doodlenote.net\/?p=983","og_locale":"ja_JP","og_type":"article","og_title":"NOT NULL\u5236\u7d04\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bNULL\u304c\u5165\u3063\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044 - Memolog","og_description":"http:\/\/dev.mysql.com\/doc\/refman\/4.1\/ja\/constraint-not-null.html NOT NULL \u30ab\u30e9\u30e0\u306b\u304a\u3051\u308b NULL \u3084\u6570\u5024\u30ab\u30e9\u30e0\u306b\u304a\u3051\u308b\u5927\u304d\u3059\u304e…Continue reading NOT NULL\u5236\u7d04\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bNULL\u304c\u5165\u3063\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044","og_url":"https:\/\/doodlenote.net\/?p=983","og_site_name":"Memolog","article_published_time":"-0001-11-30T00:00:00+00:00","author":"\u4ffa\u69d8","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"\u4ffa\u69d8"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/doodlenote.net\/?p=983#article","isPartOf":{"@id":"https:\/\/doodlenote.net\/?p=983"},"author":{"name":"\u4ffa\u69d8","@id":"https:\/\/doodlenote.net\/#\/schema\/person\/b4d9e28d72f0b174ecabb474276c9cc1"},"headline":"NOT NULL\u5236\u7d04\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bNULL\u304c\u5165\u3063\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044","datePublished":"-0001-11-30T00:00:00+00:00","mainEntityOfPage":{"@id":"https:\/\/doodlenote.net\/?p=983"},"wordCount":68,"commentCount":0,"publisher":{"@id":"https:\/\/doodlenote.net\/#\/schema\/person\/b4d9e28d72f0b174ecabb474276c9cc1"},"keywords":["OldBlog"],"articleSection":["\u30d7\u30ed\u30b0\u30e9\u30e0"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/doodlenote.net\/?p=983","url":"https:\/\/doodlenote.net\/?p=983","name":"NOT NULL\u5236\u7d04\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bNULL\u304c\u5165\u3063\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044 - Memolog","isPartOf":{"@id":"https:\/\/doodlenote.net\/#website"},"datePublished":"-0001-11-30T00:00:00+00:00","breadcrumb":{"@id":"https:\/\/doodlenote.net\/?p=983#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/doodlenote.net\/?p=983"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/doodlenote.net\/?p=983#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u30db\u30fc\u30e0","item":"https:\/\/doodlenote.net\/"},{"@type":"ListItem","position":2,"name":"NOT NULL\u5236\u7d04\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306bNULL\u304c\u5165\u3063\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306a\u3089\u306a\u3044"}]},{"@type":"WebSite","@id":"https:\/\/doodlenote.net\/#website","url":"https:\/\/doodlenote.net\/","name":"Memolog","description":"\u6368\u3066\u308b\u306b\u306f\u60dc\u3057\u3044\u7a0b\u5ea6\u306e\u30b4\u30df\uff3e\uff3e","publisher":{"@id":"https:\/\/doodlenote.net\/#\/schema\/person\/b4d9e28d72f0b174ecabb474276c9cc1"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/doodlenote.net\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":["Person","Organization"],"@id":"https:\/\/doodlenote.net\/#\/schema\/person\/b4d9e28d72f0b174ecabb474276c9cc1","name":"\u4ffa\u69d8","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/doodlenote.net\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/fcda4a2c8afdf7f8db4d55e3ba71ce95258d02a3522b2c9aae85dfc5b59e56ef?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/fcda4a2c8afdf7f8db4d55e3ba71ce95258d02a3522b2c9aae85dfc5b59e56ef?s=96&d=mm&r=g","caption":"\u4ffa\u69d8"},"logo":{"@id":"https:\/\/doodlenote.net\/#\/schema\/person\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/doodlenote.net\/index.php?rest_route=\/wp\/v2\/posts\/983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/doodlenote.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/doodlenote.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/doodlenote.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/doodlenote.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=983"}],"version-history":[{"count":0,"href":"https:\/\/doodlenote.net\/index.php?rest_route=\/wp\/v2\/posts\/983\/revisions"}],"wp:attachment":[{"href":"https:\/\/doodlenote.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/doodlenote.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/doodlenote.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}