{"id":28482,"date":"2020-06-18T03:04:21","date_gmt":"2020-06-18T10:04:21","guid":{"rendered":"https:\/\/staging.kinsta.site\/?post_type=knowledgebase&#038;p=43306"},"modified":"2020-07-03T01:25:24","modified_gmt":"2020-07-02T16:25:24","slug":"what-is-mysql","status":"publish","type":"knowledgebase","link":"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/what-is-mysql\/","title":{"rendered":"MySQL\u3068\u306f\uff1f\u521d\u5fc3\u8005\u306b\u308f\u304b\u308a\u3084\u3059\u3044\u8aac\u660e"},"content":{"rendered":"<p><a href=\"https:\/\/www.mysql.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">MySQL<\/a>\u306f\u3001Oracle\u304c\u958b\u767a\u3057\u3066\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eSQL\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306f\u3001\u300cMySQL\u3068\u306f\u306a\u3093\u3067\u3059\u304b\uff1f\u300d\u3068\u3044\u3046\u8cea\u554f\u306b\u5bfe\u3059\u308b1\u6587\u306e\u77ed\u3044\u56de\u7b54\u3067\u3059\u304c\u3001\u3082\u3046\u5c11\u3057\u5206\u304b\u308a\u3084\u3059\u304f\u8aac\u660e\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u3092\u7c21\u5358\u306b\u4f7f\u7528\u3057\u305f\u308a\u53d6\u5f97\u3057\u305f\u308a\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u305d\u306e\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u3066\u69cb\u9020\u5316\u3057\u305f\u3082\u306e\u3067\u3059\u3002WordPress\u30b5\u30a4\u30c8\u306e\u5834\u5408\u3001\u300c\u30c7\u30fc\u30bf\u300d\u3068\u306f\u3001\u30d6\u30ed\u30b0\u6295\u7a3f\u306e\u5185\u5bb9\u3001\u30b5\u30a4\u30c8\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306e\u60c5\u5831\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/wp-options-autoloaded-data\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u81ea\u52d5\u8aad\u307f\u8fbc\u307f\u30c7\u30fc\u30bf<\/a>\u3001\u91cd\u8981\u306a\u8a2d\u5b9a\u30fb\u69cb\u6210\u306a\u3069\u3067\u3059\u3002<\/p>\n<p>MySQL\u306f\u3001\u305d\u306e\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u305f\u308a\u7ba1\u7406\u3057\u305f\u308a\u3059\u308b\u4eba\u6c17\u306e\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u4e00\u3064\u306b\u3059\u304e\u307e\u305b\u3093\u304c\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/wordpress-database\/\">WordPress\u30b5\u30a4\u30c8\u3067\u7279\u306b\u4eba\u6c17\u306e\u3042\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a>\u3067\u3059\u3002<\/p>\n<p>\u53c2\u7167\u6587\u732e\uff1a<a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/mysql-server-has-gone-away\/\">WordPress\u306e\u300cMySQL Server Has Gone Away\u300d\u30a8\u30e9\u30fc\u306e\u51e6\u7406\u65b9\u6cd5<\/a> \u3068 <a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/mysql-error-1064\/\">MySQL 1064\u30a8\u30e9\u30fc\u3092\u4fee\u6b63\u3059\u308b\u65b9\u6cd5<\/a>\u3002<\/p>\n<p>\u3067\u306f\u3001\u3082\u3046\u5c11\u3057\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2 id=\"what\">MySQL\u3068\u306f\uff1f\uff08\u8a73\u7d30\u8aac\u660e\uff09<\/h2>\n<p>MySQL\u306f\u3082\u3068\u3082\u30681995\u5e74\u306b\u767a\u58f2\u3055\u308c\u307e\u3057\u305f\u3002\u305d\u308c\u4ee5\u6765\u3001\u6240\u6709\u8005\u3082\u7ba1\u7406\u8005\u3082\u6570\u56de\u5909\u66f4\u3057\u307e\u3057\u305f\u304c\u30012010\u5e74\u306b\u6240\u6709\u6a29\u304cOracle\u793e\u306b\u79fb\u308a\u307e\u3057\u305f\u3002\u73fe\u5728Oracle\u793e\u304cMySQ\u3092\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u3067\u3082<strong>\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2<\/strong>\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u81ea\u7531\u306b\u4f7f\u7528\u3057\u305f\u308a\u5909\u66f4\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 297px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\" \" role=\"img\" src=\"https:\/\/staging.kinsta.site\/wp-content\/uploads\/2019\/04\/mysql-logo-1.svg\" alt=\"MySQL\u306e\u30ed\u30b4\" width=\"297\" height=\"202\"><figcaption class=\"wp-caption-text\">MySQL\u306e\u30ed\u30b4\uff08\u753b\u50cf\u30bd\u30fc\u30b9\uff1a<a href=\"https:\/\/www.mysql.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">MySQL\/Oracle<\/a>\uff09<\/figcaption><\/figure>\n<p>\u305d\u306e\u540d\u524d\u306f\u3001\u5171\u540c\u8a2d\u7acb\u8005\u306e\u5a18\u306e\u540d\u524d\u3067\u3042\u308b\u300cMy\u300d\u3068\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u7ba1\u7406\u3067\u304d\u308bStructured Query Language\u306e\u7565\u79f0\u3067\u3042\u308b\u300cSQL\u300d\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>MySQL\u306e\u52d5\u4f5c\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u4e0b\u8a18\u306e2\u3064\u306e\u95a2\u9023\u3059\u308b\u3082\u306e\u3082\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"#relational-database\">\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/a><\/li>\n<li><a href=\"#client-server-model\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30fc\u30d0\u30fc\u30e2\u30c7\u30eb<\/a><\/li>\n<\/ul>\n<h3 id=\"relational-database\">\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/h3>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30c7\u30fc\u30bf\u306e\u4fdd\u5b58\u65b9\u6cd5\u306f\u3055\u307e\u3056\u307e\u306a\u3067\u3059\u3002<\/p>\n<p>MySQL\u306f\u3001<strong>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/strong>\u3068\u547c\u3070\u308c\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u30921\u3064\u306e\u5927\u304d\u306a\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u307e\u3068\u3081\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e<strong>\u30c6\u30fc\u30d6\u30eb<\/strong>\u3068\u547c\u3070\u308c\u308b\u500b\u5225\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u5206\u5272\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e2\u7a2e\u985e\u306e\u60c5\u5831\u3092\u4fdd\u5b58\u3057\u305f\u3044\u3068\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u9867\u5ba2<\/strong>\uff1a\u540d\u524d\u3001\u4f4f\u6240\u3001\u8a73\u7d30\u60c5\u5831\u306a\u3069<\/li>\n<li><strong>\u6ce8\u6587<\/strong>\uff1a\u8cfc\u5165\u3057\u305f\u88fd\u54c1\u3001\u4fa1\u683c\u3001\u6ce8\u6587\u8005\u306a\u3069<\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u306e\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u30921\u3064\u306e\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u306b\u307e\u3068\u3081\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306a\u554f\u984c\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u7570\u306a\u308b\u30c7\u30fc\u30bf<\/strong>\uff1a\u3042\u308b\u6ce8\u6587\u306b\u5bfe\u3057\u3066\u53ce\u96c6\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30c7\u30fc\u30bf\u306f\u3001\u9867\u5ba2\u306e\u30c7\u30fc\u30bf\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u306e\u91cd\u8907<\/strong>\uff1a\u5404\u9867\u5ba2\u306b\u306f\u540d\u524d\u304c\u3042\u308a\u3001\u5404\u6ce8\u6587\u306b\u306f\u9867\u5ba2\u306e\u540d\u524d\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u30c7\u30fc\u30bf\u304c\u91cd\u8907\u3057\u3066\u3044\u3066\u3001\u51e6\u7406\u306f\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u6574\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30fc\u30bf<\/strong>\uff1a\u6ce8\u6587\u306e\u30c7\u30fc\u30bf\u3068\u9867\u5ba2\u306e\u30c7\u30fc\u30bf\u306e\u95a2\u9023\u4ed8\u3051\u306f\u96e3\u3057\u3044\u3067\u3059\u3002<\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u306f\u3001\u9867\u5ba2\u7528\u306e\u30c6\u30fc\u30d6\u30eb\u3068\u3001\u6ce8\u6587\u7528\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u5225\u9014\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u300c\u5c71\u7530\u592a\u90ce\u3055\u3093\u306e\u3059\u3079\u3066\u306e\u6ce8\u6587\u3092\u8868\u793a\u3059\u308b\u300d\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<strong>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb<\/strong>\uff08\u95a2\u4fc2\u4ed8\u3051\u306e\uff09\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u304b\u3089\u3002<\/p>\n<p>\u300c<strong>\u30ad\u30fc<\/strong>\u300d\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3092\u4f7f\u7528\u3059\u308b\u3068\u30012\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u9023\u643a\u3057\u3066\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u7570\u306a\u308b\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u64cd\u4f5c\u3057\u305f\u308a\u7d50\u5408\u3057\u305f\u308a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30ad\u30fc\u306f\u304a\u5ba2\u69d8\u306e\u540d\u524d\u3067\u306f\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4ee3\u308f\u308a\u306b\u3001\u6570\u5024\u306eID\u756a\u53f7\u306a\u3069\u3001100\uff05\u30e6\u30cb\u30fc\u30af\u306a\u3082\u306e\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>WordPress\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u898b\u305f\u3053\u3068\u306e\u3042\u308b\u65b9\u306a\u3089\u3001WordPress\u304c\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u304c\u500b\u5225\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u5206\u5272\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u3054\u5b58\u3058\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001WordPress\u306f12\u500b\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u591a\u304f\u306eWordPress\u30d7\u30e9\u30b0\u30a4\u30f3\u3082\u72ec\u81ea\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u4e0b\u306e\u4f8b\u306eWordPress\u30b5\u30a4\u30c8\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u306f44\u500b\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 2549px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/what-is-mysql.png\" alt=\"MySQL\u306e\u3055\u307e\u3056\u307e\u306a\u30c6\u30fc\u30d6\u30eb\u306e\u4e00\u4f8b\" width=\"2549\" height=\"1449\"><figcaption class=\"wp-caption-text\">MySQL\u306e\u3055\u307e\u3056\u307e\u306a\u30c6\u30fc\u30d6\u30eb\u306e\u4e00\u4f8b<\/figcaption><\/figure>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8aac\u660e\u306e\u6700\u5f8c\u306b\u306a\u308a\u307e\u3059\u304c\u3001WordPress\u306b\u56fa\u6709\u306e\u5185\u5bb9\u306b\u3064\u3044\u3066\u3082\u3054\u6848\u5185\u3057\u307e\u3059\u3002<\/p>\n<p>WordPress\u306f\u30d6\u30ed\u30b0\u306e\u6295\u7a3f\u3092<strong>wp_posts<\/strong>\u30c6\u30fc\u30d6\u30eb\u306b\u4fdd\u5b58\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u60c5\u5831\u3092<strong>wp_users<\/strong>\u30c6\u30fc\u30d6\u30eb\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u30012\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u306f<strong>\u30ad\u30fc<\/strong>\u3067\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5404\u30e6\u30fc\u30b6\u30fc\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u3001\u5404\u30e6\u30fc\u30b6\u30fc\u304c\u4f5c\u6210\u3057\u305f\u3059\u3079\u3066\u306e\u30d6\u30ed\u30b0\u6295\u7a3f\u3078\u306e\u95a2\u9023\u4ed8\u3051\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u6a5f\u80fd\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u898b\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5404\u6295\u7a3f\u306b\u306f\u3001\u4e00\u610f\u306e\u8b58\u5225\u756a\u53f7\u3067\u3042\u308b<strong>post_author<\/strong>\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\uff08\u3053\u308c\u304c\u30ad\u30fc\u3067\u3059\uff09\u3002<\/p>\n<figure style=\"width: 2036px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/what-is-mysql-2.png\" alt=\"wp_posts\u30c6\u30fc\u30d6\u30eb\" width=\"2036\" height=\"1022\"><figcaption class=\"wp-caption-text\">wp_posts\u30c6\u30fc\u30d6\u30eb<\/figcaption><\/figure>\n<p>\u6b21\u306b\u3001\u305d\u306e\u756a\u53f7\u306b\u8a72\u5f53\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001<strong>wp_users<\/strong>\u30c6\u30fc\u30d6\u30eb\u306e<strong>ID<\/strong>\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1965px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/what-is-mysql-3.png\" alt=\"wp_users\u30c6\u30fc\u30d6\u30eb\" width=\"1965\" height=\"912\"><figcaption class=\"wp-caption-text\">wp_users\u30c6\u30fc\u30d6\u30eb<\/figcaption><\/figure>\n<p>\u30ad\u30fc\uff08ID\u756a\u53f7\uff09\u306f\u3001\u3059\u3079\u3066\u306e\u60c5\u5831\u3092\u7d50\u3073\u4ed8\u3051\u308b\u3082\u306e\u3067\u3059\u3002\u30ad\u30fc\u304c\u3042\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u304c\u5225\u3005\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u3066\u3082\u3001\u305d\u306e\u95a2\u9023\u4ed8\u3051\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3 id=\"client-server-model\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30fc\u30d0\u30fc\u30e2\u30c7\u30eb<\/h3>\n<p>MySQL\u306f<strong>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/strong>\u30b7\u30b9\u30c6\u30e0\u3067\u3042\u308b\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30fc\u30d0\u30fc\u30e2\u30c7\u30eb<\/strong>\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3082\u63a1\u7528\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30b5\u30fc\u30d0\u30fc<\/strong>\u306f\u3001\u30c7\u30fc\u30bf\u304c\u5b9f\u969b\u306b\u5b58\u5728\u3055\u308c\u308b\u5834\u6240\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u304c<strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/strong>\u306e\u51fa\u756a\u3067\u3059\u3002<\/p>\n<p>SQL\uff08\u524d\u8ff0\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001<strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/strong>\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5fc5\u8981\u3068\u3059\u308b\u30c7\u30fc\u30bf\u306e\u8981\u6c42\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<strong>\u30b5\u30fc\u30d0\u30fc<\/strong>\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u8ab0\u304b\u304c\u30b5\u30a4\u30c8\u306e\u30d6\u30ed\u30b0\u6295\u7a3f\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u5834\u5408\u3001WordPress\u30b5\u30a4\u30c8\u306f\u8907\u6570\u306eSQL\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3057\u3001\u30d6\u30ed\u30b0\u6295\u7a3f\u3092\u305d\u306e\u8a2a\u554f\u8005\u306eWeb\u30d6\u30e9\u30a6\u30b6\u30fc\u306b\u914d\u4fe1\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u6b21\u3092\u5b9f\u65bd\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>wp_posts<\/strong>\u30c6\u30fc\u30d6\u30eb\u3092\u30af\u30a8\u30ea\u3057\u3066\u3001\u30d6\u30ed\u30b0\u6295\u7a3f\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<li><strong>wp_users<\/strong>\u30c6\u30fc\u30d6\u30eb\u3092\u30af\u30a8\u30ea\u3057\u3066\u3001\u4f5c\u6210\u8005\u30dc\u30c3\u30af\u30b9\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3057\u307e\u3059\uff08\u524d\u8ff0\u306e<strong>\u30ad\u30fc<\/strong>\u3092\u4f7f\u7528\uff09\u3002<\/li>\n<li>\u4e91\u3005<\/li>\n<\/ul>\n<p>WordPress\u30b5\u30a4\u30c8\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8981\u6c42\u306e\u7a2e\u985e\u3092\u6b63\u78ba\u306b\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/wordpress.org\/plugins\/query-monitor\/\" target=\"_blank\" rel=\"noopener noreferrer\">Query Monitor<\/a>\u3068\u3044\u3046\u7d20\u6674\u3089\u3057\u304f\u3066\u7121\u6599\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001WordPress\u30b5\u30a4\u30c8\uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff09\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u3084\u308a\u53d6\u308a\u3092\u628a\u63e1\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 2548px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2019\/04\/what-is-mysql-4.png\" alt=\"Query Monitor\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3001MySQL\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u305fSQL\u30af\u30a8\u30ea\u3092\u8868\u793a\u3059\u308b\" width=\"2548\" height=\"1458\"><figcaption class=\"wp-caption-text\">Query Monitor\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3001MySQL\u30b5\u30fc\u30d0\u30fc\u306b\u9001\u4fe1\u3055\u308c\u305fSQL\u30af\u30a8\u30ea\u3092\u8868\u793a\u3059\u308b<\/figcaption><\/figure>\n<p>\u3082\u30461\u3064\u306e\u30d7\u30ec\u30df\u30a2\u30e0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f<a href=\"https:\/\/staging.kinsta.site\/blog\/wordpress-performance-new-relic\/\" target=\"_blank\" rel=\"noopener noreferrer\">New Relic<\/a>\u3067\u3059\u3002\u5f53\u793e\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3053\u306e\u30c4\u30fc\u30eb\u3092\u983b\u7e41\u306b\u4f7f\u7528\u3057\u3066\u3001\u9045\u3044MySQL\u30af\u30a8\u30ea\u304c\u539f\u56e0\u3067\u3042\u308bWordPress\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8ab2\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/staging.kinsta.site\/jp\/wp-content\/uploads\/sites\/6\/2017\/09\/new-relic-apm-databases.png\" alt=\"New Relic\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u753b\u9762\u306b\u306f\u3001\u9045\u3044\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\" width=\"1366\" height=\"367\"><\/p>\n<p>WordPress\u30b5\u30a4\u30c8\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u3001\u300c<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/error-establishing-a-database-connection\/\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u78ba\u7acb\u30a8\u30e9\u30fc<\/a>\u300d\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<h2>Kinsta\u306fMySQL\u3067\u306f\u306a\u304fMariaDB\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u9055\u3044\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\uff1f<\/h2>\n<p>\u3053\u3053Kinsta\u3067\u306f\u3001MySQL\u3067\u306f\u306a\u304f\u3001<strong>MariaDB<\/strong>\u3068\u547c\u3070\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3057\u3066\u304a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001MySQL\u3067\u898b\u305f\u3059\u3079\u3066\u306e\u7279\u5fb4\u304cMariaDB\u306b\u3082\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u306f\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/blog\/mariadb-vs-mysql\/\" target=\"_blank\" rel=\"noopener noreferrer\">MariaDB\u306fMySQL\u306e\u30d5\u30a9\u30fc\u30af<\/a>\u3067\u3042\u308a\u3001MariaDB\u306e\u4e3b\u8981\u958b\u767a\u8005\u306fMySQL\u306e\u5f53\u521d\u306e\u8a2d\u7acb\u8005\u306e1\u4eba\u3067\u3059\u3002 \u300c\u30d5\u30a9\u30fc\u30af\u300d\u3068\u306f\u3001MariaDB\u958b\u767a\u8005\u304c\u5143\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306eMySQL\u30b3\u30fc\u30c9\u3092\u30d9\u30fc\u30b9\u306b\u3057\u3066MariaDB\u3092\u4f5c\u6210\u3057\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001MariaDB\u306f\u540d\u524d\u304c\u7570\u306a\u308a\u307e\u3059\u304c\u3001MySQL\u3068\u5bc6\u63a5\u306b\u95a2\u9023\u3057\u3066\u304a\u308a\u3001\u5b8c\u5168\u306a\u300c\u30c9\u30ed\u30c3\u30d7\u30a4\u30f3\u300d\u7f6e\u63db\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\uff08\u3064\u307e\u308a\u3001\u4e88\u9632\u7b56\u3092\u8b1b\u3058\u308b\u5fc5\u8981\u306a\u304f\u3001MySQL\u304b\u3089MariaDB\u306b\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff09<\/p>\n<p>\u4e00\u65b9\u3001MariaDB\u306fMySQL\u3068\u306e\u76f8\u4e92\u904b\u7528\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001<strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u6539\u5584\u3057\u307e\u3059<\/strong>\u3002\u3053\u308c\u306f\u3001\u300cWordPress\u30b5\u30a4\u30c8\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u6700\u9ad8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u76ee\u6307\u3059\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u63d0\u4f9b\u3059\u308b\u300d\u3068\u3044\u3046\u79c1\u305f\u3061\u306e\u4f01\u696d\u54f2\u5b66\u3068\u4e00\u81f4\u3057\u307e\u3059\u3002<\/p>\n<aside role=\"note\" class=\"wp-block-kinsta-notice is-style-info\">\n            <h3>Info<\/h3>\n        <p>Kinsta\u306e\u5404\u30d7\u30e9\u30f3\u3067\u306f\u3001MariaDB\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u9031\u4e00\u56de\u306e\u81ea\u52d5\u7684\u306aMySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u6700\u9069\u5316\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/plans\/?in-article-cta\">\u5f53\u793e\u306e\u30d7\u30e9\u30f3\u4e00\u89a7\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/a><\/p>\n<\/aside>\n\n\n<h2>\uff08\u8981\u7d04\uff09 MySQL\u3068\u306f\uff1f<\/h2>\n<p>MySQL\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002WordPress\u30b5\u30a4\u30c8\u306e\u5834\u5408\u306f\u3001\u30d6\u30ed\u30b0\u306e\u6295\u7a3f\u3001\u30e6\u30fc\u30b6\u30fc\u3001<a href=\"https:\/\/staging.kinsta.site\/jp\/knowledgebase\/wp-options-autoloaded-data\/\" target=\"_blank\" rel=\"noopener 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