{"id":20047,"date":"2023-01-15T15:26:41","date_gmt":"2023-01-15T06:26:41","guid":{"rendered":"https:\/\/a-tak.com\/blog\/?p=20047"},"modified":"2023-01-15T15:43:17","modified_gmt":"2023-01-15T06:43:17","slug":"wordpress-database-update-error","status":"publish","type":"post","link":"https:\/\/a-tak.com\/blog\/2023\/01\/wordpress-database-update-error\/","title":{"rendered":"WordPress\u3067\u8a18\u4e8b\u66f4\u65b0\u6642\u306b\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u6295\u7a3f\u3092\u66f4\u65b0\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u300d\u30a8\u30e9\u30fc\u304c\u51fa\u308b"},"content":{"rendered":"<div id=\"advads-1630703820\" class=\"advads-before-content-placement advads-entity-placement\" style=\"margin-left: auto;margin-right: auto;text-align: center;\"><div class=\"advads-adlabel\">\u5e83\u544a<\/div><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7585646298782746\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:inline-block;width:300px;height:250px;\" \ndata-ad-client=\"ca-pub-7585646298782746\" \ndata-ad-slot=\"6112122906\"><\/ins> \n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<p class=\"wp-block-paragraph\">\u4e45\u3005\u306b\u30d6\u30ed\u30b0\u306e\u8a18\u4e8b\u3092\u898b\u76f4\u3057\u304b\u3051\u3066\u3044\u305f\u3089\u3001\u3053\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u66f4\u65b0\u51fa\u6765\u306a\u3044\u3002\u306a\u305c!?<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6587\u5b57\u30b3\u30fc\u30c9\u304c\u66f4\u65b0\u51fa\u6765\u3066\u3044\u306a\u3044<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u3053\u304b\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u6587\u5b57\u30b3\u30fc\u30c9\u304c <code>utf8mb3<\/code> \u304b\u3089 <code>utf8mb4<\/code> \u306b\u5909\u308f\u3063\u305f\u3088\u3046\u306a\u306e\u3067\u3059\u304c\u3001\u3069\u3046\u3082\u3046\u307e\u304f\u66f4\u65b0\u304c\u51fa\u6765\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u3053\u3046\u306a\u3063\u3066\u3044\u308b\u3068\u9854\u6587\u5b57\u304c\u6587\u7ae0\u306b\u5165\u3063\u3066\u3044\u308b\u3068\u3053\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3057\u307e\u3046\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u52d5\u3067\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u306f <code>wp-config.php<\/code>\u3000\u304b\u3089\u78ba\u8a8d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>define( 'DB_CHARSET', 'utf8mb4' );<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u306f\u554f\u984c\u306a\u304fmb4\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306b\u30c6\u30fc\u30d6\u30eb\u3002\u30c6\u30fc\u30d6\u30eb\u306f\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3068\u5404\u30ab\u30e9\u30e0\u306e2\u30ab\u6240\u306b\u6587\u5b57\u30b3\u30fc\u30c9\u306e\u6307\u5b9a\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">mysql\u30b3\u30de\u30f3\u30c9\u3067DB\u306b\u63a5\u7d9a\u3057\u3066\u66f4\u65b0\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ALTER TABLE `wp_commentmeta` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_comments` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_links` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_postmeta` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_posts` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_termmeta` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_terms` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_term_relationships` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_term_taxonomy` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_usermeta` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_users` DEFAULT CHARACTER SET utf8mb4;\nALTER TABLE `wp_options` DEFAULT CHARACTER SET utf8mb4;\n\nalter table `wp_commentmeta` convert to character set utf8mb4;\nalter table `wp_comments` convert to character set utf8mb4;\nalter table `wp_links` convert to character set utf8mb4;\nalter table `wp_postmeta` convert to character set utf8mb4;\nalter table `wp_posts` convert to character set utf8mb4;\nalter table `wp_termmeta` convert to character set utf8mb4;\nalter table `wp_terms` convert to character set utf8mb4;\nalter table `wp_term_relationships` convert to character set utf8mb4;\nalter table `wp_term_taxonomy` convert to character set utf8mb4;\nalter table `wp_usermeta` convert to character set utf8mb4;\nalter table `wp_users` convert to character set utf8mb4;\nalter table `wp_options` convert to character set utf8mb4;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3067\u66f4\u65b0\u5b8c\u4e86\u3002\u78ba\u8a8d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show create table `wp_commentmeta`;\nshow create table `wp_comments`;\nshow create table `wp_links`;\nshow create table `wp_postmeta`;\nshow create table `wp_posts`;\nshow create table `wp_termmeta`;\nshow create table `wp_terms`;\nshow create table `wp_term_relationships`;\nshow create table `wp_term_taxonomy`;\nshow create table `wp_usermeta`;\nshow create table `wp_users`;\nshow create table `wp_options`;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>utf8mb3<\/code> \u306e\u8a18\u8f09\u304c\u306a\u3051\u308c\u3070OK<\/p><div id=\"advads-3675872877\" class=\"advads-content-placement-after-3rd-paragraph advads-entity-placement\" style=\"margin-left: auto;margin-right: auto;text-align: center;\"><div class=\"advads-adlabel\">\u5e83\u544a<\/div><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-7585646298782746\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:inline-block;width:300px;height:250px;\" \ndata-ad-client=\"ca-pub-7585646298782746\" \ndata-ad-slot=\"6112122906\"><\/ins> \n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n\n\n\n<pre class=\"wp-block-code\"><code>| c25b05_wp_options | CREATE TABLE `c25b05_wp_options` (\n  `option_id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,\n  `option_name` varchar(191) DEFAULT NULL,\n  `option_value` longtext NOT NULL,\n  `autoload` varchar(20) NOT NULL DEFAULT 'yes',\n  PRIMARY KEY (`option_id`),\n  UNIQUE KEY `option_name` (`option_name`),\n  KEY `autoload` (`autoload`)\n) ENGINE=MyISAM AUTO_INCREMENT=6254729 DEFAULT CHARSET=utf8mb4 |<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e45\u3005\u306b\u30d6\u30ed\u30b0\u306e\u8a18\u4e8b\u3092\u898b\u76f4\u3057\u304b\u3051\u3066\u3044\u305f\u3089\u3001\u3053\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u66f4\u65b0\u51fa\u6765\u306a\u3044\u3002\u306a\u305c!?<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[480],"tags":[9,68],"class_list":["post-20047","post","type-post","status-publish","format-standard","hentry","category-wordpress","tag-wordpress","tag-68"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/a-tak.com\/blog\/wp-json\/wp\/v2\/posts\/20047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/a-tak.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/a-tak.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/a-tak.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/a-tak.com\/blog\/wp-json\/wp\/v2\/comments?post=20047"}],"version-history":[{"count":0,"href":"https:\/\/a-tak.com\/blog\/wp-json\/wp\/v2\/posts\/20047\/revisions"}],"wp:attachment":[{"href":"https:\/\/a-tak.com\/blog\/wp-json\/wp\/v2\/media?parent=20047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/a-tak.com\/blog\/wp-json\/wp\/v2\/categories?post=20047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/a-tak.com\/blog\/wp-json\/wp\/v2\/tags?post=20047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}