{"id":26894,"date":"2025-12-07T22:23:39","date_gmt":"2025-12-07T22:23:39","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=26894"},"modified":"2025-12-07T22:23:39","modified_gmt":"2025-12-07T22:23:39","slug":"%e3%81%9f%e3%81%a3%e3%81%9f1%e8%a1%8c%e3%81%aeselect%e6%96%87%e3%81%a7%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e3%82%92%e5%81%9c%e6%ad%a2%e3%81%97%e3%81%8b%e3%81%91%e3%81%9f%e8%a9%b1-mysql-qiita","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/26894\/","title":{"rendered":"\u305f\u3063\u305f1\u884c\u306eSELECT\u6587\u3067\u30b7\u30b9\u30c6\u30e0\u3092\u505c\u6b62\u3057\u304b\u3051\u305f\u8a71 #MySQL &#8211; Qiita"},"content":{"rendered":"\n<\/p>\n<div>\n<h2 data-sourcepos=\"1:1-1:15\">\n<span id=\"\u306f\u3058\u3081\u306b\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E3%81%AF%E3%81%98%E3%82%81%E3%81%AB\"><i class=\"fa fa-link\"\/><\/a>\u306f\u3058\u3081\u306b<\/h2>\n<p data-sourcepos=\"3:1-3:81\">\u300cSELECT\u6587\u306a\u3093\u3066\u8aad\u307f\u53d6\u308a\u3060\u3051\u3060\u3057\u3001\u5927\u3057\u305f\u5f71\u97ff\u306a\u3044\u3067\u3057\u3087\u300d<\/p>\n<p data-sourcepos=\"5:1-5:57\">\u305d\u3046\u601d\u3063\u3066\u3044\u305f\u6642\u671f\u304c\u79c1\u306b\u3082\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p data-sourcepos=\"7:1-7:126\">\u4eca\u56de\u306f\u3001Django Admin\u3067\u4f5c\u6210\u3057\u305f\u6a5f\u80fd\u306b\u3088\u3063\u3066\u3001\u672c\u756a\u30b7\u30b9\u30c6\u30e0\u3092\u505c\u6b62\u3057\u304b\u3051\u305f\u7d4c\u9a13\u3092\u5171\u6709\u3057\u307e\u3059\u3002<\/p>\n<h2 data-sourcepos=\"9:1-9:9\">\n<span id=\"\u74b0\u5883\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E7%92%B0%E5%A2%83\"><i class=\"fa fa-link\"\/><\/a>\u74b0\u5883<\/h2>\n<ul data-sourcepos=\"11:1-14:0\">\n<li data-sourcepos=\"11:1-11:70\">\u30e2\u30ce\u30ea\u30b9\u69cb\u6210\uff08Web\u3001DB\u3001App\u304c\u5168\u30661\u3064\u306eVM\u4e0a\u3067\u7a3c\u50cd\uff09<\/li>\n<li data-sourcepos=\"12:1-12:17\">MariaDB 10.x\u7cfb<\/li>\n<li data-sourcepos=\"13:1-14:0\">Django + Django Admin<\/li>\n<\/ul>\n<h2 data-sourcepos=\"15:1-15:24\">\n<span id=\"\u4f55\u304c\u8d77\u304d\u305f\u306e\u304b\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E4%BD%95%E3%81%8C%E8%B5%B7%E3%81%8D%E3%81%9F%E3%81%AE%E3%81%8B\"><i class=\"fa fa-link\"\/><\/a>\u4f55\u304c\u8d77\u304d\u305f\u306e\u304b<\/h2>\n<p data-sourcepos=\"17:1-18:85\">\u3042\u308b\u65e5\u3001\u672c\u756a\u74b0\u5883\u306e\u30c7\u30a3\u30b9\u30af\u4f7f\u7528\u7387\u304c\u6025\u6fc0\u306b\u4e0a\u6607\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6c17\u3065\u304d\u307e\u3057\u305f\u3002\u307f\u308b\u307f\u308b\u5897\u52a0\u3059\u308b\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u306b\u5fc3\u81d3\u304c\u6b62\u307e\u308a\u3060\u3063\u305f\u3053\u3068\u3092\u4eca\u3067\u3082\u9bae\u660e\u306b\u899a\u3048\u3066\u3044\u307e\u3059\u3002<br \/>\u8abf\u67fb\u3057\u3066\u307f\u308b\u3068\u3001\/tmp\u9818\u57df\u304c\u7570\u5e38\u306a\u901f\u5ea6\u3067\u80a5\u5927\u5316\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p data-sourcepos=\"20:1-20:135\">\u539f\u56e0\u306f\u5f8c\u304b\u3089\u5224\u660e\u3057\u305f\u306e\u3067\u3059\u304c\u3001<span><strong>Django Admin\u304b\u3089\u5b9f\u884c\u3055\u308c\u305f1\u3064\u306eSELECT\u6587\u3067\u3057\u305f\u3002<\/strong><\/span><\/p>\n<h2 data-sourcepos=\"22:1-22:57\">\n<span id=\"\u306a\u305c\u5de8\u5927\u306atmp\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u305f\u306e\u304b\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E3%81%AA%E3%81%9C%E5%B7%A8%E5%A4%A7%E3%81%AAtmp%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%81%8C%E7%94%9F%E6%88%90%E3%81%95%E3%82%8C%E3%81%9F%E3%81%AE%E3%81%8B\"><i class=\"fa fa-link\"\/><\/a>\u306a\u305c\u5de8\u5927\u306atmp\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u305f\u306e\u304b<\/h2>\n<p data-sourcepos=\"24:1-24:195\">Djanog\u306eORM\u304c\u751f\u6210\u3057\u305f\u30af\u30a8\u30ea\u306b\u306f\u8907\u6570\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u305d\u308c\u304c\u91cd\u306a\u308a\u3001\u30c7\u30a3\u30b9\u30af\u30d5\u30eb\u306b\u306a\u308a\u304b\u3051\u308b\u307b\u3069\u306b\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u304c\u5de8\u5927\u5316\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<ol data-sourcepos=\"26:1-29:0\">\n<li data-sourcepos=\"26:1-26:79\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u8cbc\u3089\u308c\u3066\u3044\u306a\u3044\u30ab\u30e9\u30e0\u540c\u58eb\u3067JOIN\u3057\u3066\u3044\u305f<\/li>\n<li data-sourcepos=\"27:1-27:58\">\u8907\u6570\u30c6\u30fc\u30d6\u30eb\u306e\u5927\u91cf\u30c7\u30fc\u30bf\u3092JOIN\u3057\u3066\u3044\u305f<\/li>\n<li data-sourcepos=\"28:1-29:0\">ORDER BY\u306b\u3088\u308b\u30bd\u30fc\u30c8\u51e6\u7406\u304c\u767a\u751f\u3057\u3066\u3044\u305f<\/li>\n<\/ol>\n<p data-sourcepos=\"30:1-30:309\">MariaDB\u306f\u3001\u30e1\u30e2\u30ea\u4e0a\u3067\u51e6\u7406\u3057\u304d\u308c\u306a\u3044\u4e2d\u9593\u7d50\u679c\u3084\u30bd\u30fc\u30c8\u51e6\u7406\u3092\/tmp\u306b\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u66f8\u304d\u51fa\u3057\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u306a\u3044JOIN\u306f\u5168\u4ef6\u30b9\u30ad\u30e3\u30f3\u3068\u306a\u308a\u3001\u305d\u306e\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u30bd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u5de8\u5927\u306a\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n<p data-sourcepos=\"32:1-32:163\"><iframe id=\"qiita-embed-content__8ddef84e3930c866665fce6eda5fafa5\" src=\"https:\/\/qiita.com\/embed-contents\/link-card#qiita-embed-content__8ddef84e3930c866665fce6eda5fafa5\" data-content=\"https%3A%2F%2Fmariadb.com%2Fdocs%2Fserver%2Fsecurity%2Flimiting-size-of-created-disk-temporary-files-and-tables%2Flimiting-size-of-created-disk-temporary-files-and-tables-overview\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\" style=\"width:100%;\" height=\"29\"><![CDATA[\n]]><\/iframe>\n<\/p>\n<h2 data-sourcepos=\"34:1-34:36\">\n<span id=\"\u30e2\u30ce\u30ea\u30b9\u69cb\u6210\u306e\u6050\u308d\u3057\u3055\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E3%83%A2%E3%83%8E%E3%83%AA%E3%82%B9%E6%A7%8B%E6%88%90%E3%81%AE%E6%81%90%E3%82%8D%E3%81%97%E3%81%95\"><i class=\"fa fa-link\"\/><\/a>\u30e2\u30ce\u30ea\u30b9\u69cb\u6210\u306e\u6050\u308d\u3057\u3055<\/h2>\n<p data-sourcepos=\"36:1-37:134\">\u4eca\u56de\u306e\u74b0\u5883\u306f\u30e2\u30ce\u30ea\u30b9\u69cb\u6210\u3067\u3001Web\u3001DB\u3001App\u304c\u5168\u3066\u540c\u4e00VM\u4e0a\u3067\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\u3064\u307e\u308a\u3001DB\u306e\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u304c\u30c7\u30a3\u30b9\u30af\u3092\u5727\u8feb\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u81ea\u4f53\u304c\u8d77\u3053\u308b\u3053\u3068\u304c\u60f3\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul data-sourcepos=\"39:1-42:0\">\n<li data-sourcepos=\"39:1-39:35\">Web\u30b5\u30fc\u30d0\u30fc\u304c\u52d5\u4f5c\u4e0d\u80fd\u306b<\/li>\n<li data-sourcepos=\"40:1-40:53\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b0\u304c\u66f8\u3051\u306a\u304f\u306a\u308b<\/li>\n<li data-sourcepos=\"41:1-42:0\">\u6700\u60aa\u306e\u5834\u5408\u3001OS\u81ea\u4f53\u304c\u4e0d\u5b89\u5b9a\u306b<\/li>\n<\/ul>\n<p data-sourcepos=\"43:1-43:106\">1\u3064\u306eSELECT\u6587\u304c\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u9053\u9023\u308c\u306b\u3059\u308b\u3068\u3044\u3046\u3001\u975e\u5e38\u306b\u5371\u967a\u306a\u72b6\u614b\u3067\u3057\u305f\u3002<\/p>\n<h2 data-sourcepos=\"45:1-45:18\">\n<span id=\"\u5bfe\u5fdc\u3068\u53cd\u7701\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E5%AF%BE%E5%BF%9C%E3%81%A8%E5%8F%8D%E7%9C%81\"><i class=\"fa fa-link\"\/><\/a>\u5bfe\u5fdc\u3068\u53cd\u7701<\/h2>\n<h3 data-sourcepos=\"47:1-47:22\">\n<span id=\"\u305d\u306e\u6642\u306e\u5bfe\u5fdc\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E3%81%9D%E3%81%AE%E6%99%82%E3%81%AE%E5%AF%BE%E5%BF%9C\"><i class=\"fa fa-link\"\/><\/a>\u305d\u306e\u6642\u306e\u5bfe\u5fdc<\/h3>\n<p data-sourcepos=\"49:1-50:179\">\u904b\u826f\u304f\u30c7\u30a3\u30b9\u30af\u4f7f\u7528\u7387\u306e\u4e0a\u6607\u306b\u6c17\u3065\u304d\u3001MariaDB\u3092\u518d\u8d77\u52d5\u3059\u308b\u3053\u3068\u3067\u4e8b\u306a\u304d\u3092\u5f97\u307e\u3057\u305f\u3002<br \/>\u305f\u3060\u3001\u4eca\u601d\u3048\u3070<strong>\u30af\u30a8\u30ea\u3092kill\u3059\u308c\u3070\u826f\u3044\u3060\u3051<\/strong>\u3060\u3063\u305f\u306e\u3067\u3001\u518d\u8d77\u52d5\u3068\u3044\u3046\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u5bfe\u5fdc\u3092\u53d6\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u306f\u53cd\u7701\u70b9\u3067\u3059\u3002<\/p>\n<p data-sourcepos=\"52:1-52:88\">\uff08\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f62\u3067\u5b9f\u884c\u4e2d\u306e\u30af\u30a8\u30ea\u3092kill\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\uff09<\/p>\n<div class=\"code-frame\" data-lang=\"sql\" data-sourcepos=\"53:1-61:3\">\n<div class=\"highlight\">\n<pre><code><span class=\"c1\">-- \u5b9f\u884c\u4e2d\u306e\u30af\u30a8\u30ea\u3092\u78ba\u8a8d<\/span>\n<span class=\"k\">SHOW<\/span> <span class=\"n\">PROCESSLIST<\/span><span class=\"p\">;<\/span>\n<span class=\"c1\">-- \u4e0a\u8a18\u3060\u3068\u9577\u3044\u30af\u30a8\u30ea\u306f\u7701\u7565\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u8a73\u3057\u304f\u307f\u305f\u3044\u6642\u306f\u4ee5\u4e0b\u306e\u901a\u308a<\/span>\n<span class=\"k\">SHOW<\/span> <span class=\"k\">FULL<\/span> <span class=\"n\">PROCESSLIST<\/span><span class=\"p\">;<\/span>\n\n<span class=\"c1\">-- \u554f\u984c\u306e\u30af\u30a8\u30ea\u3092kill<\/span>\n<span class=\"n\">KILL<\/span> <span class=\"o\">&lt;<\/span><span class=\"n\">process_id<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">;<\/span>\n<\/code><\/pre>\n<\/div>\n<\/div>\n<p data-sourcepos=\"63:1-63:61\"><iframe id=\"qiita-embed-content__674d0a2cfc4d1072e15fe248883b70d3\" src=\"https:\/\/qiita.com\/embed-contents\/link-card#qiita-embed-content__674d0a2cfc4d1072e15fe248883b70d3\" data-content=\"https%3A%2F%2Fdev.mysql.com%2Fdoc%2Frefman%2F8.0%2Fja%2Fshow-processlist.html\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\" style=\"width:100%;\" height=\"29\"><![CDATA[\n]]><\/iframe>\n<\/p>\n<p data-sourcepos=\"65:1-65:108\">\u4f8b\u3068\u3057\u3066\u3001\u5b9f\u969b\u306b\u7c21\u6613\u7684\u306bMariaDB on docker\u74b0\u5883\u3067\u30af\u30a8\u30ea\u306ekill\u3092\u5b9f\u65bd\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<div class=\"code-frame\" data-lang=\"sql\" data-sourcepos=\"66:1-89:3\">\n<div class=\"highlight\">\n<pre><code><span class=\"c1\">-- \u5b9f\u884c\u3057\u3066\u3044\u308b\u30af\u30a8\u30ea\u306e\u78ba\u8a8d<\/span>\n<span class=\"k\">SHOW<\/span> <span class=\"n\">PROCESSLIST<\/span><span class=\"p\">;<\/span>\n\n<span class=\"o\">+<\/span><span class=\"c1\">----+------+-----------+--------+---------+------+--------------+------------------------------------------------------------------------------------------------------+----------+<\/span>\n<span class=\"o\">|<\/span> <span class=\"n\">Id<\/span> <span class=\"o\">|<\/span> <span class=\"k\">User<\/span> <span class=\"o\">|<\/span> <span class=\"k\">Host<\/span>      <span class=\"o\">|<\/span> <span class=\"n\">db<\/span>     <span class=\"o\">|<\/span> <span class=\"n\">Command<\/span> <span class=\"o\">|<\/span> <span class=\"nb\">Time<\/span> <span class=\"o\">|<\/span> <span class=\"k\">State<\/span>        <span class=\"o\">|<\/span> <span class=\"n\">Info<\/span>                                                                                                 <span class=\"o\">|<\/span> <span class=\"n\">Progress<\/span> <span class=\"o\">|<\/span>\n<span class=\"o\">+<\/span><span class=\"c1\">----+------+-----------+--------+---------+------+--------------+------------------------------------------------------------------------------------------------------+----------+<\/span>\n<span class=\"o\">|<\/span>  <span class=\"mi\">8<\/span> <span class=\"o\">|<\/span> <span class=\"n\">root<\/span> <span class=\"o\">|<\/span> <span class=\"n\">localhost<\/span> <span class=\"o\">|<\/span> <span class=\"n\">testdb<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Query<\/span>   <span class=\"o\">|<\/span>    <span class=\"mi\">5<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Sending<\/span> <span class=\"k\">data<\/span> <span class=\"o\">|<\/span> <span class=\"k\">SELECT<\/span> <span class=\"n\">a<\/span><span class=\"p\">.<\/span><span class=\"o\">*<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">.<\/span><span class=\"o\">*<\/span><span class=\"p\">,<\/span> <span class=\"k\">c<\/span><span class=\"p\">.<\/span><span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">test_table<\/span> <span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">test_table<\/span> <span class=\"n\">b<\/span><span class=\"p\">,<\/span> <span class=\"n\">test_table<\/span> <span class=\"k\">c<\/span> <span class=\"k\">WHERE<\/span> <span class=\"n\">a<\/span><span class=\"p\">.<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"n\">b<\/span><span class=\"p\">.<\/span><span class=\"n\">value<\/span> <span class=\"k\">AND<\/span> <span class=\"n\">b<\/span><span class=\"p\">.<\/span><span class=\"n\">val<\/span> <span class=\"o\">|<\/span>    <span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">000<\/span> <span class=\"o\">|<\/span>\n<span class=\"o\">|<\/span>  <span class=\"mi\">9<\/span> <span class=\"o\">|<\/span> <span class=\"n\">root<\/span> <span class=\"o\">|<\/span> <span class=\"n\">localhost<\/span> <span class=\"o\">|<\/span> <span class=\"k\">NULL<\/span>   <span class=\"o\">|<\/span> <span class=\"n\">Query<\/span>   <span class=\"o\">|<\/span>    <span class=\"mi\">0<\/span> <span class=\"o\">|<\/span> <span class=\"n\">starting<\/span>     <span class=\"o\">|<\/span> <span class=\"k\">SHOW<\/span> <span class=\"n\">PROCESSLIST<\/span>                                                                                     <span class=\"o\">|<\/span>    <span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">000<\/span> <span class=\"o\">|<\/span>\n<span class=\"o\">+<\/span><span class=\"c1\">----+------+-----------+--------+---------+------+--------------+------------------------------------------------------------------------------------------------------+----------+<\/span>\n\n\n<span class=\"c1\">-- kill\u5b9f\u884c(\u6ce8\u610f : MariaDB\u3068\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306e\u72b6\u614b\u3067)<\/span>\n<span class=\"n\">KILL<\/span> <span class=\"mi\">8<\/span><span class=\"p\">;<\/span>\n\n<span class=\"c1\">-- \u518d\u5ea6\u5b9f\u884c\u4e2d\u306e\u30af\u30a8\u30ea\u78ba\u8a8d<\/span>\n<span class=\"k\">SHOW<\/span> <span class=\"n\">PROCESSLIST<\/span><span class=\"p\">;<\/span>\n\n<span class=\"o\">+<\/span><span class=\"c1\">----+------+-----------+------+---------+------+----------+------------------+----------+<\/span>\n<span class=\"o\">|<\/span> <span class=\"n\">Id<\/span> <span class=\"o\">|<\/span> <span class=\"k\">User<\/span> <span class=\"o\">|<\/span> <span class=\"k\">Host<\/span>      <span class=\"o\">|<\/span> <span class=\"n\">db<\/span>   <span class=\"o\">|<\/span> <span class=\"n\">Command<\/span> <span class=\"o\">|<\/span> <span class=\"nb\">Time<\/span> <span class=\"o\">|<\/span> <span class=\"k\">State<\/span>    <span class=\"o\">|<\/span> <span class=\"n\">Info<\/span>             <span class=\"o\">|<\/span> <span class=\"n\">Progress<\/span> <span class=\"o\">|<\/span>\n<span class=\"o\">+<\/span><span class=\"c1\">----+------+-----------+------+---------+------+----------+------------------+----------+<\/span>\n<span class=\"o\">|<\/span> <span class=\"mi\">11<\/span> <span class=\"o\">|<\/span> <span class=\"n\">root<\/span> <span class=\"o\">|<\/span> <span class=\"n\">localhost<\/span> <span class=\"o\">|<\/span> <span class=\"k\">NULL<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Query<\/span>   <span class=\"o\">|<\/span>    <span class=\"mi\">0<\/span> <span class=\"o\">|<\/span> <span class=\"n\">starting<\/span> <span class=\"o\">|<\/span> <span class=\"k\">SHOW<\/span> <span class=\"n\">PROCESSLIST<\/span> <span class=\"o\">|<\/span>    <span class=\"mi\">0<\/span><span class=\"p\">.<\/span><span class=\"mi\">000<\/span> <span class=\"o\">|<\/span>\n<span class=\"o\">+<\/span><span class=\"c1\">----+------+-----------+------+---------+------+----------+------------------+----------+<\/span>\n<\/code><\/pre>\n<\/div>\n<\/div>\n<h3 data-sourcepos=\"91:1-91:16\">\n<span id=\"\u6839\u672c\u539f\u56e0\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E6%A0%B9%E6%9C%AC%E5%8E%9F%E5%9B%A0\"><i class=\"fa fa-link\"\/><\/a>\u6839\u672c\u539f\u56e0<\/h3>\n<ul data-sourcepos=\"93:1-97:0\">\n<li data-sourcepos=\"93:1-93:65\"><strong>\u5de8\u5927\u306aDB\u306b\u5bfe\u3059\u308b\u30c6\u30b9\u30c8\u3092\u884c\u3063\u3066\u3044\u306a\u304b\u3063\u305f<\/strong><\/li>\n<li data-sourcepos=\"94:1-94:45\"><strong>Django\u306eORM\u3092\u4fe1\u7528\u3057\u3059\u304e\u3066\u3044\u305f<\/strong><\/li>\n<li data-sourcepos=\"95:1-95:54\"><strong>\u751f\u6210\u3055\u308c\u308bSQL\u3092\u78ba\u8a8d\u3057\u3066\u3044\u306a\u304b\u3063\u305f<\/strong><\/li>\n<li data-sourcepos=\"96:1-97:0\"><strong>MariaDB\u3092\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u904b\u7528\u3057\u3066\u3044\u305f<\/strong><\/li>\n<\/ul>\n<p data-sourcepos=\"98:1-99:146\">Django ORM\u306f\u4fbf\u5229\u3067\u3059\u304c\u3001\u88cf\u3067\u751f\u6210\u3055\u308c\u308bSQL\u3092\u610f\u8b58\u3057\u306a\u3044\u3068\u3001\u601d\u308f\u306c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<br \/>\u305d\u306e\u5f8c\u306e\u958b\u767a\u3067\u306f\u3001ORM\u3092\u4fe1\u7528\u3057\u306a\u3044\u306e\u306f\u3082\u3061\u308d\u3093\u3002\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u3082\u4fe1\u7528\u3057\u306a\u3044\u304f\u3089\u3044\u307e\u3067\u306b\u306a\u308a\u307e\u3057\u305f(\u7b11)<\/p>\n<h2 data-sourcepos=\"101:1-101:15\">\n<span id=\"\u6052\u4e45\u5bfe\u7b56\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E6%81%92%E4%B9%85%E5%AF%BE%E7%AD%96\"><i class=\"fa fa-link\"\/><\/a>\u6052\u4e45\u5bfe\u7b56<\/h2>\n<h3 data-sourcepos=\"103:1-103:25\">\n<span id=\"1-tmp\u9818\u57df\u306e\u5206\u96e2\" class=\"fragment\"\/><a target=\"_blank\" href=\"#1-tmp%E9%A0%98%E5%9F%9F%E3%81%AE%E5%88%86%E9%9B%A2\"><i class=\"fa fa-link\"\/><\/a>1. tmp\u9818\u57df\u306e\u5206\u96e2<\/h3>\n<p data-sourcepos=\"105:1-105:173\">MariaDB 11.5\u4ee5\u964d\u3067\u306ftmp_disk_usage_limit\u3067tmp\u9818\u57df\u306e\u30b5\u30a4\u30ba\u5236\u9650\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u304c\u3001\u5f53\u6642\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p data-sourcepos=\"107:1-107:223\">\u3059\u3050\u306bMariaDB\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u306e\u306f\u5de5\u6570\u7684\u306b\u96e3\u3057\u304b\u3063\u305f\u305f\u3081\u3001<span><strong>MariaDB\u304c\u4f7f\u7528\u3059\u308btmp\u9818\u57df\u3092\u5225\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u5207\u308a\u96e2\u3059<\/strong><\/span>\u3068\u3044\u3046\u5bfe\u7b56\u3092\u53d6\u308a\u307e\u3057\u305f\u3002<\/p>\n<div class=\"code-frame\" data-lang=\"ini\" data-sourcepos=\"109:1-113:3\">\n<div class=\"highlight\">\n<pre><code><span class=\"c\"># my.cnf\n<\/span><span class=\"nn\">[mysqld]<\/span><span class=\"w\">\n<\/span><span class=\"py\">tmpdir<\/span><span class=\"w\"> <\/span><span class=\"p\">=<\/span><span class=\"w\"> <\/span><span class=\"s\">\/mnt\/mariadb_tmp<\/span>\n<\/code><\/pre>\n<\/div>\n<\/div>\n<p data-sourcepos=\"115:1-115:132\">\u3053\u308c\u306b\u3088\u308a\u3001\u4eee\u306btmp\u304c\u80a5\u5927\u5316\u3057\u3066\u3082\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30c7\u30a3\u30b9\u30af\u3092\u5727\u8feb\u3059\u308b\u3053\u3068\u306f\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h3 data-sourcepos=\"117:1-117:34\">\n<span id=\"2-\u30c6\u30b9\u30c8\u624b\u9806\u306e\u6700\u9069\u5316\" class=\"fragment\"\/><a target=\"_blank\" href=\"#2-%E3%83%86%E3%82%B9%E3%83%88%E6%89%8B%E9%A0%86%E3%81%AE%E6%9C%80%E9%81%A9%E5%8C%96\"><i class=\"fa fa-link\"\/><\/a>2. \u30c6\u30b9\u30c8\u624b\u9806\u306e\u6700\u9069\u5316<\/h3>\n<p data-sourcepos=\"119:1-119:117\">\u30c6\u30b9\u30c8\u5de5\u7a0b\u306b\u3001\u4ee5\u4e0b\u3092\u8ffd\u52a0\u3057\u5fc5\u305aORM\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u305fSQL\u3092\u78ba\u8a8d\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<ul data-sourcepos=\"120:1-122:0\">\n<li data-sourcepos=\"120:1-120:82\">\u5de8\u5927DB\u306e\u30c6\u30b9\u30c8\u74b0\u5883\u3067\u306e\u5b9f\u884c\u6642\u9593\u306e\u78ba\u8a8d\u3068tmp\u9818\u57df\u306e\u4f7f\u7528\u6709\u7121<\/li>\n<li data-sourcepos=\"121:1-122:0\">\u5b9f\u884c\u8a08\u753b(index\u304c\u8cbc\u3089\u308c\u3066\u3044\u306a\u3044\u3068\u3053\u308d\u3067join\u3057\u3066\u3044\u306a\u3044\u304b\u306a\u3069)<\/li>\n<\/ul>\n<p data-sourcepos=\"123:1-123:273\">\u3061\u306a\u307f\u306b\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u304c\u898b\u5f53\u9055\u3044\u306eindex\u3092\u4f7f\u304a\u3046\u3068\u3057\u3066\u3044\u308b\u6642\u306f<code>USE INDEX<\/code>(\u3053\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f7f\u3046\u3068\u3044\u3044\u3088\u301c)\u3084<code>FORCE INDEX<\/code>(\u7d76\u5bfe\u3053\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f7f\u3048\uff01\uff01)\u306e\u3088\u3046\u306b\u4f7f\u7528\u3059\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6307\u793a\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p data-sourcepos=\"125:1-125:5\">(\u4f8b)<\/p>\n<div class=\"code-frame\" data-lang=\"sql\" data-sourcepos=\"126:1-132:3\">\n<div class=\"highlight\">\n<pre><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">table1<\/span> <span class=\"n\">USE<\/span> <span class=\"k\">INDEX<\/span> <span class=\"p\">(<\/span><span class=\"n\">col1_index<\/span><span class=\"p\">,<\/span><span class=\"n\">col2_index<\/span><span class=\"p\">)<\/span>\n  <span class=\"k\">WHERE<\/span> <span class=\"n\">col1<\/span><span class=\"o\">=<\/span><span class=\"mi\">1<\/span> <span class=\"k\">AND<\/span> <span class=\"n\">col2<\/span><span class=\"o\">=<\/span><span class=\"mi\">2<\/span> <span class=\"k\">AND<\/span> <span class=\"n\">col3<\/span><span class=\"o\">=<\/span><span class=\"mi\">3<\/span><span class=\"p\">;<\/span>\n\n<span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">table1<\/span> <span class=\"k\">IGNORE<\/span> <span class=\"k\">INDEX<\/span> <span class=\"p\">(<\/span><span class=\"n\">col3_index<\/span><span class=\"p\">)<\/span>\n  <span class=\"k\">WHERE<\/span> <span class=\"n\">col1<\/span><span class=\"o\">=<\/span><span class=\"mi\">1<\/span> <span class=\"k\">AND<\/span> <span class=\"n\">col2<\/span><span class=\"o\">=<\/span><span class=\"mi\">2<\/span> <span class=\"k\">AND<\/span> <span class=\"n\">col3<\/span><span class=\"o\">=<\/span><span class=\"mi\">3<\/span><span class=\"p\">;<\/span>\n<\/code><\/pre>\n<\/div>\n<\/div>\n<p data-sourcepos=\"134:1-134:56\"><iframe id=\"qiita-embed-content__b9951bb7394e0b9265719a0fcb686efe\" src=\"https:\/\/qiita.com\/embed-contents\/link-card#qiita-embed-content__b9951bb7394e0b9265719a0fcb686efe\" data-content=\"https%3A%2F%2Fdev.mysql.com%2Fdoc%2Frefman%2F8.0%2Fja%2Findex-hints.html\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\" style=\"width:100%;\" height=\"29\"><![CDATA[\n]]><\/iframe>\n<\/p>\n<h3 data-sourcepos=\"137:1-137:22\">\n<span id=\"3-sql\u306e\u53ef\u8996\u5316\" class=\"fragment\"\/><a target=\"_blank\" href=\"#3-sql%E3%81%AE%E5%8F%AF%E8%A6%96%E5%8C%96\"><i class=\"fa fa-link\"\/><\/a>3. SQL\u306e\u53ef\u8996\u5316<\/h3>\n<p data-sourcepos=\"139:1-140:261\"><code>2. \u30c6\u30b9\u30c8\u624b\u9806\u306e\u6700\u9069\u5316<\/code>\u3067SQL\u306e\u5b9f\u884c\u6642\u9593\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3044\u3046\u70b9\u3067\u3001audit plugin\u3092\u5165\u308c\u3066\u3044\u3066SELECT\u3082\u51fa\u529b\u3059\u308b\u3088\u3046\u306b\u3059\u308c\u3070\u78ba\u8a8d\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u9762\u5012\u3067\u306f\u3042\u308a\u307e\u3057\u305f\u3002\u305d\u3053\u3067Django Admin\u306b\u306f\u4fbf\u5229\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\u4ee5\u4e0b\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3059\u308c\u3070\u7c21\u5358\u306b\u5b9f\u884c\u3055\u308c\u3066\u3044\u308bSQL\u306e\u78ba\u8a8d\u3082\u3067\u304d\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u78ba\u8a8d\u3057\u305fSQL\u3067\u5b9f\u884c\u6642\u9593\u306a\u3069\u78ba\u8a8d\u3057\u3001\u3042\u3068\u306f\u5de8\u5927DB\u74b0\u5883\u3067EXPLAIN\u3059\u308b\u3060\u3051\u3068\u3044\u3046\u7c21\u5358\u306a\u65b9\u6cd5\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p data-sourcepos=\"144:1-144:54\"><iframe id=\"qiita-embed-content__ce4a96c0e8c0fe34bf52f824185173d1\" src=\"https:\/\/qiita.com\/embed-contents\/link-card#qiita-embed-content__ce4a96c0e8c0fe34bf52f824185173d1\" data-content=\"https%3A%2F%2Fdjango-debug-toolbar.readthedocs.io%2Fen%2Flatest%2F\" frameborder=\"0\" scrolling=\"no\" loading=\"lazy\" style=\"width:100%;\" height=\"29\"><![CDATA[\n]]><\/iframe>\n<\/p>\n<h2 data-sourcepos=\"147:1-147:9\">\n<span id=\"\u6559\u8a13\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E6%95%99%E8%A8%93\"><i class=\"fa fa-link\"\/><\/a>\u6559\u8a13<\/h2>\n<ol data-sourcepos=\"149:1-156:0\">\n<li data-sourcepos=\"149:1-149:72\">ORM\u3092\u4fe1\u7528\u3057\u3059\u304e\u306a\u3044 &#8211; \u751f\u6210\u3055\u308c\u308bSQL\u306f\u5fc5\u305a\u78ba\u8a8d\u3059\u308b<\/li>\n<li data-sourcepos=\"150:1-150:102\">\u672c\u756a\u76f8\u5f53\u306e\u30c7\u30fc\u30bf\u91cf\u3067\u30c6\u30b9\u30c8\u3059\u308b &#8211; \u5c0f\u3055\u306a\u30c7\u30fc\u30bf\u3067\u306f\u554f\u984c\u304c\u9855\u5728\u5316\u3057\u306a\u3044<\/li>\n<li data-sourcepos=\"151:1-151:93\">\u30e2\u30ce\u30ea\u30b9\u69cb\u6210\u306e\u30ea\u30b9\u30af\u3092\u7406\u89e3\u3059\u308b &#8211; \u969c\u5bb3\u306e\u5f71\u97ff\u7bc4\u56f2\u3092\u628a\u63e1\u3057\u3066\u304a\u304f<\/li>\n<li data-sourcepos=\"152:1-152:76\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u9069\u5207\u306b\u8a2d\u8a08\u3059\u308b &#8211; \u7279\u306bJOIN\u5bfe\u8c61\u306e\u30ab\u30e9\u30e0<\/li>\n<li data-sourcepos=\"153:1-153:93\">\u969c\u5bb3\u6642\u306e\u5bfe\u5fdc\u624b\u9806\u3092\u6574\u7406\u3057\u3066\u304a\u304f &#8211; \u518d\u8d77\u52d5\u306e\u524d\u306b\u3067\u304d\u308b\u3053\u3068\u304c\u3042\u308b<\/li>\n<li data-sourcepos=\"154:1-154:102\">\u30ea\u30bd\u30fc\u30b9\u306e\u5206\u96e2\u3092\u691c\u8a0e\u3059\u308b &#8211; tmp\u9818\u57df\u306e\u5206\u96e2\u306a\u3069\u3001\u5f71\u97ff\u7bc4\u56f2\u3092\u9650\u5b9a\u3059\u308b\u8a2d\u8a08<\/li>\n<li data-sourcepos=\"155:1-156:0\">\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u3082\u4fe1\u7528\u3057\u3059\u304e\u306a\u3044 &#8211; EXPLAIN\u3067\u5b9f\u884c\u8a08\u753b\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ol>\n<p data-sourcepos=\"157:1-157:110\">(\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u3082\u4fe1\u7528\u3057\u306a\u304f\u306a\u3063\u305f\u7406\u7531\u306f\u4ed6\u306b\u3042\u308a\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u5272\u611b\u3057\u307e\u3059\u7b11)<\/p>\n<h2 data-sourcepos=\"159:1-159:15\">\n<span id=\"\u304a\u308f\u308a\u306b\" class=\"fragment\"\/><a target=\"_blank\" href=\"#%E3%81%8A%E3%82%8F%E3%82%8A%E3%81%AB\"><i class=\"fa fa-link\"\/><\/a>\u304a\u308f\u308a\u306b<\/h2>\n<p data-sourcepos=\"162:1-163:180\"><span><strong>\u305f\u3063\u305f1\u884c\u306eSELECT\u6587\u3067\u3082\u3001\u6761\u4ef6\u6b21\u7b2c\u3067\u306f\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u505c\u6b62\u3055\u305b\u308b\u5a01\u529b\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/strong><\/span><br 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