{"id":4811,"date":"2018-06-21T21:00:14","date_gmt":"2018-06-21T12:00:14","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=4811"},"modified":"2023-05-07T11:37:06","modified_gmt":"2023-05-07T02:37:06","slug":"%e3%80%90sql%e3%80%91%e3%80%8corder-by%e5%8f%a5%e3%80%8d%e3%81%ae%e7%b4%b0%e3%81%8b%e3%81%84%e6%8c%99%e5%8b%95%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=4811","title":{"rendered":"\u3010SQL\u3011\u300cORDER BY\u53e5\u300d\u306e\u7d30\u304b\u3044\u6319\u52d5\u306b\u3064\u3044\u3066"},"content":{"rendered":"<p>DBMS\u3067\u6a19\u6e96\u306e\u30bd\u30fc\u30c8\u30eb\u30fc\u30eb\u306f\u7d50\u8ad6\u304b\u3089\u3044\u3048\u3070\u300c\u30c7\u30bf\u30e9\u30e1\u300d\u3067\u3059\u3002\u7279\u306b\u6c7a\u307e\u3063\u305f\u30eb\u30fc\u30eb\u306f\u306a\u304fRDBMS\u306b\u3088\u3063\u3066\u305d\u306e\u6a19\u6e96\u306e\u30bd\u30fc\u30c8\u30eb\u30fc\u30eb\u306f\u5909\u308f\u308a\u307e\u3059\u3002\u306a\u306e\u3067\u3001\u304d\u3063\u3061\u308a\u30bd\u30fc\u30c8\u3057\u305f\u3044\u5834\u5408\u306f\u300cORDER BY\u300d\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>ORDER BY\u53e5\u306f\u3001SELECT\u6587\u3092\u30bd\u30fc\u30c8\u3067\u304d\u308b\u6a5f\u80fd\u3067\u3059\u304c\u3001\u7d30\u304b\u3044\u6319\u52d5\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<h2>\u300cORDER BY\u53e5\u300d\u306e\u8a18\u8ff0\u30eb\u30fc\u30eb<\/h2>\n<p>\u5fc5\u305a\u3001SELECT\u6587\u306e\u6700\u5f8c\u306b\u8a18\u8ff0\u3059\u308b\u3002<\/p>\n<h2>\u300cORDER BY\u53e5\u300d\u306e\u6697\u9ed9\u306e\u30bd\u30fc\u30c8\u30eb\u30fc\u30eb<\/h2>\n<pre class=\"lang:default decode:true\">SELECT NAME,PRICE,COUNT\r\nFROM ITEM\r\nWHERE PRICE &gt; 1000\r\nORDER BY NAME ASC,PRICE DESC;<\/pre>\n<ul>\n<li>ASC\u3001DESC\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u672a\u6307\u5b9a\u306b\u3057\u305f\u5834\u5408\u306f\u3001<span style=\"color: #ff0000;\"><strong>\u300cASC\u300d(\u6607\u9806)<\/strong><\/span>\u3067\u52d5\u4f5c\u3059\u308b\u3002<\/li>\n<li>\u8907\u6570\u306e\u30bd\u30fc\u30c8\u6761\u4ef6\u306f\u30ab\u30f3\u30de\u533a\u5207\u308a\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002\uff08\u307e\u305f\u3001\u500b\u5225\u306b\u6607\u9806\u3001\u964d\u9806\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\uff09<\/li>\n<li>NULL\u3092\u542b\u3080\u30bd\u30fc\u30c8\u3092\u3057\u305f\u5834\u5408\u306f\u3001NULL\u306f\u5148\u982d\u304b\u672b\u5c3e\u306b\u884c\u304f\u3002(RDBMS\u306b\u3088\u3063\u3066\u3069\u3061\u3089\u306b\u884c\u304f\u304b\u306f\u7570\u306a\u308b\u3002\uff09<\/li>\n<li>\u300cSELECT\u53e5\u3067\u6307\u5b9a\u3057\u305f\u5225\u540d\u300d\u304c\u3001<span style=\"color: #ff0000;\"><strong>\u300cORDER BY\u53e5\u300d\u3067\u306f\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/strong><\/span><\/li>\n<li>WHERE\u53e5\u3084GROUP BY\u53e5\u3068\u540c\u6642\u306b\u4f7f\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>SQL\u3067\u306e\u3001SELECT\u53e5\u306e\u8a55\u4fa1\u9806\u756a\u3068\u3057\u3066\u306f\u3001\u300cORDER BY\u53e5\u300d\u3088\u308a\u3082\u524d\u306b\u306a\u308b\u306e\u3067\u3001ORDER BY\u53e5\u3067\u306f\u3001<span style=\"color: #ff0000;\"><strong>SELECT\u53e5\u3067\u6307\u5b9a\u3057\u305f\u5225\u540d\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/strong><\/span><\/p>\n<p>\uff08\u306a\u304a\u3001\u300cGROUP BY\u53e5\u300d\u306f\u3001SELECT\u53e5\u3088\u308a\u3082\u524d\u306b\u8a55\u4fa1\u3055\u308c\u308b\u306e\u3067\u3001SELECT\u53e5\u306e\u5225\u540d\u304c\u4f7f\u3048\u307e\u305b\u3093\u3067\u3057\u305f\u3002\uff09<\/p>\n<h2>\u300c\u5217\u756a\u53f7\u300d\u3092\u4f7f\u3063\u305f\u30bd\u30fc\u30c8\u306f\u4f7f\u3046\u3079\u304d\u304b\uff1f<\/h2>\n<p>\u300c\u5217\u756a\u53f7\u300d\u306f\u3001SELECT\u53e5\u3067\u6307\u5b9a\u3057\u305f\u5217\u540d\u3092\u5de6\u304b\u3089\u63a1\u756a\u3057\u305f\u756a\u53f7\u306e\u3053\u3068\u3067\u3059\u304c\u3001\u4e0b\u8a18\u306e\u7406\u7531\u304b\u3089\u7a4d\u6975\u7684\u306b\u4f7f\u3046\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u5217\u756a\u53f7\u306e\u4f8b<\/h3>\n<pre class=\"lang:default decode:true\">SELECT NAME,PRICE,COUNT\r\nFROM ITEM\r\nORDER BY 1,2; --1\u304c\u300cNAME\u300d\u3092\u6307\u3057\u30012\u304c\u300cPRICE\u300d\u3092\u6307\u3059\u3002<\/pre>\n<ul>\n<li>\u300c\uff11\u300d\u3084\u300c\uff12\u300d\u3068\u3044\u3046\u6570\u5b57\u304c\u4f55\u3092\u793a\u3057\u3066\u3044\u308b\u306e\u304b\u304c\u308f\u304b\u3089\u305a\u3001\u30b3\u30fc\u30c9\u304c\u3071\u3063\u3068\u898b\u5206\u304b\u308a\u306b\u304f\u3044\u305f\u3081\u3002<\/li>\n<li>\u5217\u756a\u53f7\u306f\u3001\u6a19\u6e96SQL\u306b\u3066\u3001\u300c\u5c06\u6765\u524a\u9664\u3055\u308c\u308b\u3079\u304d\u6a5f\u80fd\u300d\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u306e\u7406\u7531\u304b\u3089\u5224\u65ad\u3057\u3066\u3001\u4f7f\u3046\u3079\u304d\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2>\u30bd\u30fc\u30c8\u306fSQL\u7684\u306b\u30b3\u30b9\u30c8\u306e\u9ad8\u3044\u51e6\u7406<\/h2>\n<p>\u5143\u3005RDBMS\u306e\u8a2d\u8a08\u601d\u60f3\u3067\u3042\u308b\u672c\u6765\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30e2\u30c7\u30eb\u306e\u8003\u3048\u65b9\u3067\u306f\u30bd\u30fc\u30c8\u3068\u3044\u3046\u6982\u5ff5\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u306a\u306e\u3067\u3001\u305d\u3082\u305d\u3082ORDER BY\u3068\u3044\u3046\u64cd\u4f5c\u81ea\u4f53\u304c\u304b\u306a\u308aSQL\u7684\u306b\u30b3\u30b9\u30c8\u306e\u9ad8\u3044\u51e6\u7406\u306b\u306a\u308a\u307e\u3059\u3002\u3055\u307e\u3056\u307e\u306a\u8003\u3048\u65b9\u3084\u8a2d\u8a08\u624b\u6cd5\u304c\u3042\u308b\u306e\u3067\u628a\u63e1\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u8a73\u3057\u304f\u306f\u4e0b\u8a18\u306e\u8a18\u4e8b\u3067\u3082\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"4HaWfSlqz3\"><p><a href=\"http:\/\/www.code-magagine.com\/?p=14648\">\u3010\u8a2d\u8a08\u3011RDB\u306e\u57fa\u672c\u601d\u60f3\uff08\u30bd\u30fc\u30c8\u304c\u82e6\u624b\uff09\u3001\u5927\u304d\u306a\u30c7\u30fc\u30bf\u3092\u30bd\u30fc\u30c8\u3057\u305f\u3044\u5834\u5408<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" src=\"http:\/\/www.code-magagine.com\/?p=14648&#038;embed=true#?secret=4HaWfSlqz3\" data-secret=\"4HaWfSlqz3\" width=\"500\" height=\"282\" title=\"&#8220;\u3010\u8a2d\u8a08\u3011RDB\u306e\u57fa\u672c\u601d\u60f3\uff08\u30bd\u30fc\u30c8\u304c\u82e6\u624b\uff09\u3001\u5927\u304d\u306a\u30c7\u30fc\u30bf\u3092\u30bd\u30fc\u30c8\u3057\u305f\u3044\u5834\u5408&#8221; &#8212; \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30de\u30ac\u30b8\u30f3\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"DBMS\u3067\u6a19\u6e96\u306e\u30bd\u30fc\u30c8\u30eb\u30fc\u30eb\u306f\u7d50\u8ad6\u304b\u3089\u3044\u3048\u3070\u300c\u30c7\u30bf\u30e9\u30e1\u300d\u3067\u3059\u3002\u7279\u306b\u6c7a\u307e\u3063\u305f\u30eb\u30fc\u30eb\u306f\u306a\u304fRDBMS\u306b\u3088\u3063\u3066\u305d\u306e\u6a19\u6e96\u306e\u30bd\u30fc\u30c8\u30eb\u30fc\u30eb\u306f\u5909\u308f\u308a\u307e\u3059\u3002\u306a\u306e\u3067\u3001\u304d\u3063\u3061\u308a\u30bd\u30fc\u30c8\u3057\u305f\u3044\u5834\u5408\u306f\u300cORDER BY\u300d\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 O [&hellip;]","protected":false},"author":1,"featured_media":4823,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[24],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/4811"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4811"}],"version-history":[{"count":8,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/4811\/revisions"}],"predecessor-version":[{"id":19555,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/4811\/revisions\/19555"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/media\/4823"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4811"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}