{"id":499,"date":"2021-12-23T08:16:55","date_gmt":"2021-12-23T08:16:55","guid":{"rendered":"https:\/\/affiv.com\/?p=499"},"modified":"2021-12-25T15:51:33","modified_gmt":"2021-12-25T15:51:33","slug":"how-to-quickly-fix-error-establishing-a-database-connection-in-wordpress","status":"publish","type":"post","link":"https:\/\/affiv.com\/ja\/%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e6%8e%a5%e7%b6%9a%e3%81%ae%e7%a2%ba%e7%ab%8b%e3%82%a8%e3%83%a9%e3%83%bc%e3%82%92%e4%bf%ae%e6%ad%a3%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95error-estab\/","title":{"rendered":"WordPress\u3067\u300cerror establishing a database connection\u300d\u3092\u3059\u3070\u3084\u304f\u4fee\u6b63\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>\u300cerror establishing a database connection\u300d\u306f\u3001WordPress\u30e6\u30fc\u30b6\u30fc\u304c\u906d\u9047\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u6700\u3082\u4e00\u822c\u7684\u3067\u6050\u308d\u3057\u3044\u30a8\u30e9\u30fc\u306e1\u3064\u3067\u3059\u3002\u305d\u308c\u306f\u9593\u9055\u3044\u306a\u304f\u6b7b\u306e\u767d\u3044\u753b\u9762\uff08WSOD\uff09\u3068\u5bc6\u63a5\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u30b5\u30a4\u30c8\u304cWordPress\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u901a\u4fe1\u307e\u305f\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u30b5\u30a4\u30c8\u5168\u4f53\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u306e\u5834\u5408\u3001\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u306f\u7269\u4e8b\u3092\u8efd\u8996\u3057\u3066\u306f\u306a\u3089\u305a\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3084SEO\u306a\u3069\u306b\u76f4\u63a5\u5f71\u97ff\u3059\u308b\u3053\u306e\u554f\u984c\u306e\u4fee\u6b63\u3092\u3059\u3050\u306b\u8a66\u307f\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u5fc3\u914d\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u4eca\u65e5\u306f\u3053\u306e\u30a8\u30e9\u30fc\u306b\u3064\u306a\u304c\u308b\u3044\u304f\u3064\u304b\u306e\u4e00\u822c\u7684\u306a\u30b7\u30ca\u30ea\u30aa\u3068\u5bfe\u5fdc\u3059\u308b\u89e3\u6c7a\u7b56\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 \u3002<\/p>\n\n\n\n<div class=\"wp-block-ht-block-toc is-style-outline htoc htoc--position-wide toc-list-style-plain\" data-htoc-state=\"expanded\"><span class=\"htoc__title\"><span class=\"ht_toc_title\">\u76ee\u6b21\u3092\u898b\u308b<\/span><span class=\"htoc__toggle\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"16\" height=\"16\"><g fill=\"#444\"><path d=\"M15 7H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1z\"><\/path><path d=\"M15 1H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1zM15 13H1c-.6 0-1 .4-1 1s.4 1 1 1h14c.6 0 1-.4 1-1s-.4-1-1-1z\"><\/path><\/g><\/svg><\/span><\/span><div class=\"htoc__itemswrap\"><ul class=\"ht_toc_list\"><li class=\"\"><a href=\"#what-is-error-establishing-a-database-connection\">\u300cerror establishing a database connection\u300d\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li><li class=\"\"><a href=\"#common-scenarios-that-lead-to-error-establishing-a-database-connection\">\u300cerror establishing a database connection\u300d\u306b\u3064\u306a\u304c\u308b\u4e00\u822c\u7684\u306a\u30b7\u30ca\u30ea\u30aa<\/a><\/li><li class=\"\"><a href=\"#how-to-fix-error-establishing-a-database-connection\">\u300cerror establishing a database connection\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5<\/a><ul class=\"ht_toc_child_list\"><li class=\"\"><a href=\"#check-the-database-login-credentials\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/a><\/li><li class=\"\"><a href=\"#check-the-database-credentials-in-the-cpanel-panel\">cPanel\u30d1\u30cd\u30eb\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/a><\/li><\/ul><\/li><li class=\"\"><a href=\"#conclusion\">\u7d50\u8ad6<\/a><\/li><\/ul><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-error-establishing-a-database-connection\">\u300cerror establishing a database connection\u300d\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n<p>\u516c\u958b\u30c7\u30fc\u30bf\u3001\u30da\u30fc\u30b8\u30c7\u30fc\u30bf\u3001\u30e1\u30bf\u60c5\u5831\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u8a2d\u5b9a\u3001\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u306a\u3069\u3001WordPress\u30b5\u30a4\u30c8\u306e\u3059\u3079\u3066\u306e\u60c5\u5831\u306f\u3001MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002\u4fdd\u5b58\u3055\u308c\u306a\u3044\u30c7\u30fc\u30bf\u306f\u3001\u753b\u50cf\u306a\u3069\u306e\u30e1\u30c7\u30a3\u30a2\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u3001index.php\u3001wp-login.php\u306a\u3069\u306e\u30c6\u30fc\u30de\/\u30d7\u30e9\u30b0\u30a4\u30f3\/\u30b3\u30a2\u30d5\u30a1\u30a4\u30eb\u306e\u307f\u3067\u3059\u3002\u8ab0\u304b\u304c\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001PHP\u306f\u30da\u30fc\u30b8\u4e0a\u3067\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u60c5\u5831\u3092\u7167\u4f1a\u3057\u3001\u8a2a\u554f\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u8868\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f55\u3089\u304b\u306e\u7406\u7531\u3067\u3053\u308c\u304c\u6b63\u3057\u304f\u6a5f\u80fd\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u4e2d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u63a5\u7d9a\u304c\u6b63\u3057\u304f\u6a5f\u80fd\u305b\u305a\u3001\u30da\u30fc\u30b8\u3092\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30da\u30fc\u30b8\u5168\u4f53\u304c\u7a7a\u767d\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b5\u30a4\u30c8\u306e\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u304c\u7834\u640d\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001WordPress\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u8a2a\u554f\u8005\u306f\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3067\u3053\u306e\u30a8\u30e9\u30fc\u3092\u3059\u3050\u306b\u78ba\u8a8d\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6709\u52b9\u671f\u9650\u304c\u5207\u308c\u308b\u307e\u3067\u3001\u30b5\u30a4\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/error-establishing-a-database-connection-in-chrome-1024x665.png\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-500 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"584\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/error-establishing-a-database-connection-in-chrome-1024x665.png?resize=900%2C584&#038;ssl=1\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-500 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/error-establishing-a-database-connection-in-chrome.png?resize=1024%2C665&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/error-establishing-a-database-connection-in-chrome.png?resize=300%2C195&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/error-establishing-a-database-connection-in-chrome.png?resize=768%2C499&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/error-establishing-a-database-connection-in-chrome.png?resize=18%2C12&amp;ssl=1 18w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/error-establishing-a-database-connection-in-chrome.png?w=1499&amp;ssl=1 1499w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-scenarios-that-lead-to-error-establishing-a-database-connection\">\u300cerror establishing a database connection\u300d\u306b\u3064\u306a\u304c\u308b\u4e00\u822c\u7684\u306a\u30b7\u30ca\u30ea\u30aa<\/h2>\n\n\n\n<p><strong>\u6700\u3082\u4e00\u822c\u7684\u306a\u554f\u984c\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u304c\u6b63\u3057\u304f\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/strong><\/p>\n\n\n\n<p>WordPress\u30b5\u30a4\u30c8\u306f\u3001\u5bfe\u5fdc\u3059\u308bMySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u95a2\u9023\u306e\u30ed\u30b0\u30a4\u30f3\u60c5\u5831\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u7834\u640d\u3057\u3066\u3044\u307e\u3059<\/strong>.<\/p>\n\n\n\n<p>\u30c6\u30fc\u30de\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u975e\u5e38\u306b\u591a\u304f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304a\u3088\u3073\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u308b\u305f\u3081\u3001\u4f55\u5e74\u306b\u3082\u308f\u305f\u3063\u3066\u7d76\u3048\u9593\u306a\u304f\u524a\u9664\u304a\u3088\u3073\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u7834\u640d\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u304c\u6b20\u843d\u3057\u3066\u3044\u308b\u304b\u3001\u500b\u5225\u306b\u7834\u640d\u3057\u3066\u3044\u308b\u304b\u3001\u4e00\u90e8\u306e\u60c5\u5831\u304c\u8aa4\u3063\u3066\u524a\u9664\u3055\u308c\u305f\u3053\u3068\u304c\u539f\u56e0\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>WordPress\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u7834\u640d\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<p><strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc\u306e\u554f\u984c<\/strong><\/p>\n\n\n\n<p>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u6025\u5897\u304c\u539f\u56e0\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u904e\u8ca0\u8377\u306b\u306a\u3063\u305f\u308a\u3001\u540c\u6642\u63a5\u7d9a\u304c\u591a\u3059\u304e\u308b\u305f\u3081\u306b\u5fdc\u7b54\u3057\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u306a\u3069\u3001Web\u30db\u30b9\u30c8\u5074\u3067\u591a\u304f\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5b9f\u969b\u3001\u5171\u6709\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3067\u306f\u3001\u591a\u304f\u306e\u30b5\u30a4\u30c8\u304c1\u3064\u306e\u30db\u30b9\u30c8\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u5171\u6709\u3059\u308b\u305f\u3081\u3001\u3053\u308c\u306f\u975e\u5e38\u306b\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-fix-error-establishing-a-database-connection\">\u300cerror establishing a database connection\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u30a8\u30e9\u30fc\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u958b\u59cb\u3059\u308b\u524d\u306b\u3001\u307e\u305a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u63d0\u6848\u306e\u591a\u304f\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306e\u60c5\u5831\u306e\u64cd\u4f5c\u306b\u95a2\u4fc2\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u30b9\u30ad\u30eb\u30ec\u30d9\u30eb\u306b\u95a2\u4fc2\u306a\u304f\u3001WordPress Web\u30b5\u30a4\u30c8\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u5909\u66f4\u3059\u308b\u524d\u306b\u3001\u5fc5\u305a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u3088\u3046\u306aWordPress\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059 <strong><a href=\"https:\/\/vaultpress.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">VaultPress<\/a><\/strong> \u307e\u305f <strong><a href=\"https:\/\/wptimecapsule.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">WP\u30bf\u30a4\u30e0\u30ab\u30d7\u30bb\u30eb<\/a><\/strong> \u30d5\u30a1\u30a4\u30eb\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>cPanel\u30e6\u30fc\u30b6\u30fc\u306e\u5834\u5408\u3001Web\u30b5\u30a4\u30c8\u306e\u30d5\u30a1\u30a4\u30eb\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3059\u308b\u306e\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002 cPanel\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u79fb\u52d5\u3057\u3001\u30e1\u30cb\u30e5\u30fc\u3067[\u30d0\u30c3\u30af\u30a2\u30c3\u30d7]\u3092\u898b\u3064\u3051\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5168\u4f53\u3068Web\u30b5\u30a4\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u624b\u52d5\u3067\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/Backup.png\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-501 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"362\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/Backup.png?resize=900%2C362&#038;ssl=1\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-501 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/Backup.png?w=1014&amp;ssl=1 1014w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/Backup.png?resize=300%2C121&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/Backup.png?resize=768%2C309&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/Backup.png?resize=18%2C7&amp;ssl=1 18w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<p>\u3082\u3061\u308d\u3093\u3001SFTP\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3067Web\u30b5\u30a4\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u624b\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001phpMyAdmin\u3092\u4ecb\u3057\u3066MySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u624b\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5b9f\u884c\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u6210\u529f\u3057\u305f\u3089\u3001\u300cerror establishing a database connection\u300d\u306e\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"check-the-database-login-credentials\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/h3>\n\n\n\n<p>\u6700\u521d\u306b\u884c\u3046\u3053\u3068\u306f\u3001WordPress\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ed\u30b0\u30a4\u30f3\u8cc7\u683c\u60c5\u5831\u304c\u6b63\u3057\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u7279\u306b\u30b5\u30a4\u30c8\u3092\u65b0\u3057\u3044\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u79fb\u884c\u3057\u305f\u5f8c\u306e\u3001\u300cerror establishing a database connection\u300d\u30a8\u30e9\u30fc\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u539f\u56e0\u3067\u3059\u3002 WordPress\u30b5\u30a4\u30c8\u306e\u63a5\u7d9a\u306e\u8a73\u7d30\u306f\u3001\u901a\u5e38\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u3042\u308bwp-config.php\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u63a5\u7d9a\u3092\u6210\u529f\u3055\u305b\u308b\u305f\u3081\u306b\u6b63\u3057\u304f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u30444\u3064\u306e\u91cd\u8981\u306a\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u540d\u524d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ ** MySQL settings ** \/\/ \n\/** The name of the database for WordPress *\/ \ndefine('DB_NAME', 'xxxxxx');<\/code><\/pre>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30e6\u30fc\u30b6\u30fc\u540d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/** MySQL database username *\/ \ndefine('DB_USER', 'xxxxxx');<\/code><\/pre>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d1\u30b9\u30ef\u30fc\u30c9<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/** MySQL database password *\/ \ndefine('DB_PASSWORD', 'xxxxxxxxx');<\/code><\/pre>\n\n\n\n<p>MySQL\u30db\u30b9\u30c8\u540d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/** MySQL hostname *\/ \ndefine('DB_HOST', 'localhost');<\/code><\/pre>\n\n\n\n<p>wp-config.php\u30d5\u30a1\u30a4\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001SFTP\u7d4c\u7531\u3067\u30b5\u30a4\u30c8\u306b\u63a5\u7d9a\u3057\u3001\u30b5\u30a4\u30c8\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u53c2\u7167\u3057\u307e\u3059\u3002\u307e\u305f\u306f\u3001cPanel\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001cPanel\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306b\u79fb\u52d5\u3057\u3066[\u30d5\u30a1\u30a4\u30eb\u30de\u30cd\u30fc\u30b8\u30e3\u30fc]\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u30b5\u30a4\u30c8\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u53c2\u7167\u3057\u3066\u304b\u3089\u3001\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001wp-config.php\u30d5\u30a1\u30a4\u30eb\u306e\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/wp-config-file-credentials-1024x567.png\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-502 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"498\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/wp-config-file-credentials-1024x567.png?resize=900%2C498&#038;ssl=1\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-502 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/wp-config-file-credentials.png?resize=1024%2C567&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/wp-config-file-credentials.png?resize=300%2C166&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/wp-config-file-credentials.png?resize=768%2C425&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/wp-config-file-credentials.png?resize=18%2C10&amp;ssl=1 18w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/wp-config-file-credentials.png?w=1459&amp;ssl=1 1459w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"check-the-database-credentials-in-the-cpanel-panel\">cPanel\u30d1\u30cd\u30eb\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044<\/h3>\n\n\n\n<p>\u6700\u521d\u306b\u78ba\u8a8d\u3059\u308b\u306e\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u3067\u3059\u3002\u3053\u306e\u305f\u3081\u306b\u306f\u3001cPanel\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u306b\u79fb\u52d5\u3057\u3066phpMyAdmin\u306b\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-phpmyadmin-1024x140.png\" alt=\"\" class=\"wp-image-503 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"123\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-phpmyadmin-1024x140.png?resize=900%2C123&#038;ssl=1\" alt=\"\" class=\"wp-image-503 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-phpmyadmin.png?resize=1024%2C140&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-phpmyadmin.png?resize=300%2C41&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-phpmyadmin.png?resize=768%2C105&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-phpmyadmin.png?resize=1536%2C210&amp;ssl=1 1536w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-phpmyadmin.png?resize=18%2C2&amp;ssl=1 18w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-phpmyadmin.png?w=1667&amp;ssl=1 1667w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<p>\u5de6\u5074\u306e\u30e1\u30cb\u30e5\u30fc\u3067\u3001Web\u30b5\u30a4\u30c8\u306b\u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u540d\u524d\u3092\u898b\u3064\u3051\u307e\u3059\u3002 \u300cinformation_schema\u300d\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30db\u30b9\u30c8\u306b\u3088\u3063\u3066\u4f7f\u7528\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3042\u308b\u305f\u3081\u3001\u7121\u8996\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306b\u3001\u305d\u306e\u540d\u524d\u3092wp-config.php\u30d5\u30a1\u30a4\u30eb\u306eDB_NAME\u5024\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002\u305d\u308c\u3089\u304c\u4e00\u81f4\u3059\u308b\u5834\u5408\u3001\u3053\u308c\u306f\u554f\u984c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u3089\u304c\u4e00\u81f4\u3057\u306a\u3044\u5834\u5408\u306f\u3001wp-config.php\u30d5\u30a1\u30a4\u30eb\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-database-name-1024x422.png\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-504 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"371\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-database-name-1024x422.png?resize=900%2C371&#038;ssl=1\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-504 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-database-name.png?resize=1024%2C422&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-database-name.png?resize=300%2C124&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-database-name.png?resize=768%2C317&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-database-name.png?resize=1536%2C633&amp;ssl=1 1536w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-database-name.png?resize=18%2C7&amp;ssl=1 18w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-database-name.png?w=1577&amp;ssl=1 1577w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30b5\u30a4\u30c8\u306eURL\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u304c\u6b63\u3057\u3044\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304b\u3089\u3001wp_options\u30c6\u30fc\u30d6\u30eb\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3059\uff08\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u7406\u7531\u304b\u3089\u3001\u3053\u306e\u540d\u524d\u306f\u308f\u305a\u304b\u306b\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff08\u4f8b\uff1awpxx_options\uff09\uff09\u3002\u8868\u306e\u4e0a\u90e8\u306b\u3001\u30b5\u30a4\u30c8\u306eURL\u3068\u540d\u524d\u306e\u5024\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u304c\u73fe\u5728\u306e\u30b5\u30a4\u30c8\u3068\u4e00\u81f4\u3059\u308b\u5834\u5408\u3001\u3053\u308c\u306f\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/check-site-url-in-phpmyadmin-1024x386.png\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-505 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"339\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/check-site-url-in-phpmyadmin-1024x386.png?resize=900%2C339&#038;ssl=1\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-505 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/check-site-url-in-phpmyadmin.png?resize=1024%2C386&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/check-site-url-in-phpmyadmin.png?resize=300%2C113&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/check-site-url-in-phpmyadmin.png?resize=768%2C289&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/check-site-url-in-phpmyadmin.png?resize=1536%2C578&amp;ssl=1 1536w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/check-site-url-in-phpmyadmin.png?resize=18%2C7&amp;ssl=1 18w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/check-site-url-in-phpmyadmin.png?w=1907&amp;ssl=1 1907w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/check-site-url-in-phpmyadmin.png?w=1800 1800w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u306f\u6b63\u3057\u3044\u304c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u6642\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3082\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001WordPress\u30b5\u30a4\u30c8\u306e\u30eb\u30fc\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u65b0\u3057\u3044PHP\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\uff08\u305f\u3068\u3048\u3070\u3001checkdb.php\u306e\u3088\u3046\u306b\u30e9\u30f3\u30c0\u30e0\u306b\u540d\u524d\u3092\u4ed8\u3051\u307e\u3059\uff09\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u5165\u529b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 wp-config.php\u30d5\u30a1\u30a4\u30eb\u306e\u5024\u3002<\/p>\n\n\n\n<p>&lt;?php<br>$test = mysqli_connect\uff08 &#039;localhost&#039;\u3001 &#039;db_user&#039;\u3001 &#039;db_password&#039;\uff09;<br>if\uff08\uff01$test\uff09{<br>die(\u2018MySQL Error: \u2018 . mysqli_error());<br>}<br>echo \u2018Database connection is working properly!\u2019;<br>mysqli_close\uff08$testConnection\uff09;<br>\uff1f&gt;<\/p>\n\n\n\n<p>\u30d6\u30e9\u30a6\u30b6\u3067https:\/\/yourdomain.com\/checkdb.php\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002 \u300cMySQL\u30a8\u30e9\u30fc\uff1a\u30a2\u30af\u30bb\u30b9\u304c\u62d2\u5426\u3055\u308c\u307e\u3057\u305f\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u5834\u5408\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u307e\u305f\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6b63\u3057\u304f\u306a\u3044\u305f\u3081\u3001\u6b21\u306e\u624b\u9806\u306b\u9032\u3093\u3067\u8cc7\u683c\u60c5\u5831\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/access-denied-mySQL-1024x113.png\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-506 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"99\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/access-denied-mySQL-1024x113.png?resize=900%2C99&#038;ssl=1\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-506 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/access-denied-mySQL.png?resize=1024%2C113&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/access-denied-mySQL.png?resize=300%2C33&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/access-denied-mySQL.png?resize=768%2C85&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/access-denied-mySQL.png?resize=18%2C2&amp;ssl=1 18w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/access-denied-mySQL.png?w=1168&amp;ssl=1 1168w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306f\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u3066\u3044\u307e\u3059\u3002\u300d\u3068\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u6b63\u3057\u3044\u3067\u3059\u3002\u30c6\u30b9\u30c8\u304c\u7d42\u4e86\u3057\u305f\u3089\u3001\u5fc5\u305a\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/database-connection-working-properly-1024x125.png\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-507 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"110\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/database-connection-working-properly-1024x125.png?resize=900%2C110&#038;ssl=1\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-507 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/database-connection-working-properly.png?resize=1024%2C125&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/database-connection-working-properly.png?resize=300%2C37&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/database-connection-working-properly.png?resize=768%2C94&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/database-connection-working-properly.png?resize=18%2C2&amp;ssl=1 18w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/database-connection-working-properly.png?w=1098&amp;ssl=1 1098w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6b63\u3057\u304f\u306a\u3044\u3053\u3068\u304c\u78ba\u5b9f\u306a\u5834\u5408\u306f\u3001\u305d\u308c\u3089\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 cPanel\u3067\u3001\u300cMySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-mysql-databases-1024x144.png\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-508 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"127\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-mysql-databases-1024x144.png?resize=900%2C127&#038;ssl=1\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-508 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-mysql-databases.png?resize=1024%2C144&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-mysql-databases.png?resize=300%2C42&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-mysql-databases.png?resize=768%2C108&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-mysql-databases.png?resize=1536%2C216&amp;ssl=1 1536w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-mysql-databases.png?resize=18%2C3&amp;ssl=1 18w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/cpanel-mysql-databases.png?w=1619&amp;ssl=1 1619w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" \/><\/noscript><\/figure>\n\n\n\n<p>\u4e0b\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3001\u65b0\u3057\u3044MySQL\u30e6\u30fc\u30b6\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u7c21\u5358\u306b\u63a8\u6e2c\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3001\u4e00\u610f\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u30d1\u30b9\u30ef\u30fc\u30c9\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u5f37\u529b\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u751f\u6210\u3067\u304d\u307e\u3059\uff09\u3002\u6b21\u306b\u3001\u300c\u30e6\u30fc\u30b6\u30fc\u306e\u4f5c\u6210\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u307e\u305f\u306f\u3001\u3053\u306e\u753b\u9762\u3067\u73fe\u5728\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30e6\u30fc\u30b6\u30fc\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/affiv.com\/wp-content\/uploads\/2021\/12\/create-new-mysql-user-1024x494.png\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-509 lazyload\"\/><noscript><img decoding=\"async\" width=\"900\" height=\"434\" src=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/create-new-mysql-user-1024x494.png?resize=900%2C434&#038;ssl=1\" alt=\"WordPress\u3067\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\" class=\"wp-image-509 lazyload\" srcset=\"https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/create-new-mysql-user.png?resize=1024%2C494&amp;ssl=1 1024w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/create-new-mysql-user.png?resize=300%2C145&amp;ssl=1 300w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/create-new-mysql-user.png?resize=768%2C370&amp;ssl=1 768w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/create-new-mysql-user.png?resize=1536%2C740&amp;ssl=1 1536w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/create-new-mysql-user.png?resize=18%2C9&amp;ssl=1 18w, https:\/\/i0.wp.com\/affiv.com\/wp-content\/uploads\/2021\/12\/create-new-mysql-user.png?w=1581&amp;ssl=1 1581w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-recalc-dims=\"1\" 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100vw, 900px\" data-recalc-dims=\"1\" 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id=\"conclusion\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>\u3054\u89a7\u306e\u3068\u304a\u308a\u3001WordPress\u306e\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u306e\u554f\u984c\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5\u306f\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u306f\u3001wp-config.php\u30d5\u30a1\u30a4\u30eb\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30ec\u30c7\u30f3\u30b7\u30e3\u30eb\u304c\u6b63\u3057\u304f\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u305d\u308c\u3089\u304c\u6b63\u3057\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u300cerror establishing a database 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