{"id":3735,"date":"2019-03-25T14:15:59","date_gmt":"2019-03-25T05:15:59","guid":{"rendered":"https:\/\/geekly.co.jp\/column\/?p=3735"},"modified":"2023-02-24T12:20:48","modified_gmt":"2023-02-24T03:20:48","slug":"1903_041","status":"publish","type":"post","link":"https:\/\/www.geekly.co.jp\/column\/cat-technology\/1903_041\/","title":{"rendered":"\u3010\u5fc5\u898b\uff01\u3011SQL\u30fb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u5fb9\u5e95\u89e3\u8aac\uff01\u305d\u306e\u7279\u5fb4\u304b\u3089\u5c06\u6765\u6027\u307e\u3067\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002"},"content":{"rendered":"<h2>\u307e\u305a\u306f\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u300d\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3088\u3046<\/h2>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3736 size-full\" src=\"https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2019\/03\/1-19-e1677207442806.jpg\" alt=\"\" width=\"800\" height=\"450\" 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3078<\/u><\/h3>\n<p>&nbsp;<\/p>\n<p>\u30d1\u30bd\u30b3\u30f3\u304c\u306a\u3044\u6642\u4ee3\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u57fa\u672c\u7684\u306b\u7d19\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u624b\u66f8\u304d\u3067\u540d\u7c3f\u3084\u53d6\u5f15\u306a\u3069\u304c\u8a18\u9332\u3055\u308c\u3001\u5206\u539a\u3044\u30d5\u30a1\u30a4\u30eb\u5185\u306b\u6574\u7406\u30fb\u53ce\u7d0d\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u4eca\u3067\u306f<strong>\u591a\u304f\u306e\u30c7\u30fc\u30bf\u304c\u96fb\u5b50\u4e0a\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3088\u3063\u3066\u6574\u7406\u30fb\u53ce\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059<\/strong>\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u73fe\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u7a2e\u985e\u304c\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u4eca\u6700\u3082\u4e3b\u6d41\u306a\u306e\u306fIBM\u306e\u6280\u8853\u8005\u30fb\u79d1\u5b66\u8005\u3067\u3042\u308b\u30a8\u30c9\u30ac\u30fc\u30fb\u30d5\u30e9\u30f3\u30af\u30fb\u30b3\u30c3\u30c9\u6c0f\u306b\u3088\u308a\u958b\u767a\u3055\u308c\u305f\u300c\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u300d\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306f\u884c\u3068\u5217\u304b\u3089\u306a\u308b\u8868(\u30c6\u30fc\u30d6\u30eb)\u5f62\u5f0f\u3067\u6574\u7406\u3055\u308c\u3001\u8907\u6570\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u95a2\u9023\u3065\u3051\u3066\u8868\u793a\u3059\u308b(\u30d3\u30e5\u30fc)\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3067\u304d\u308b\u306e\u3067\u3059\u3002\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306b\u3088\u308a\u5b9f\u73fe\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u300c<strong>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/strong>\u300d\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5177\u4f53\u7684\u306b\u3001\u5148\u306e\u5b66\u6821\u306e\u4f8b\u3067\u306f\u3069\u3046\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u300c\u751f\u5f92\u540d\u7c3f\u300d \u3068\u3044\u3046\u8868\u306b\u3001\u30af\u30e9\u30b9\u540d\u3084\u51fa\u5e2d\u756a\u53f7\u3001\u751f\u5f92\u540d\u304c\u8a18\u9332\u3055\u308c\u3066\u3044\u305f\u3068\u3057\u307e\u3059\u3002\u540c\u3058\u3088\u3046\u306b\u3001\u300c\u5065\u5eb7\u8a3a\u65ad\u7d50\u679c\u300d\u3001\u300c\u4f53\u80b2\u6e2c\u5b9a\u7d50\u679c\u300d\u3001\u300c\u6210\u7e3e\u8868\u300d\u3001\u300c\u4f4f\u6240\u9332\u300d\u3068\u3044\u3046\u8868\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u3067\u3053\u308c\u3089\u306e\u8868\u3092\u7ba1\u7406\u3059\u308b\u3068\u304d\u306b\u3001\u3069\u3046\u3059\u308c\u3070\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4f8b\u3048\u3070\u751f\u5f92\u306e\u540d\u524d\u306f\u751f\u5f92\u540d\u7c3f\u3060\u3051\u3001\u4f4f\u6240\u60c5\u5831\u306b\u3064\u3044\u3066\u306f\u4f4f\u6240\u9332\u3060\u3051\u3068\u3044\u3046\u98a8\u306b\u3001\u3067\u304d\u308b\u3060\u3051\u30c7\u30fc\u30bf\u306f\u3069\u308c\u304b\u4e00\u3064\u3060\u3051\u306e\u8868(\u30de\u30b9\u30bf)\u306e\u5024\u3092\u6b63\u3068\u3057\u3001\u4ed6\u306e\u8868\u306b\u306f\u30c7\u30fc\u30bf\u3068\u3057\u3066\u8a18\u9332\u3057\u306a\u3044\u65b9\u304c\u52b9\u7387\u7684\u3060\u3068\u601d\u3044\u307e\u305b\u3093\u304b\u3002\u3067\u306a\u3044\u3068\u3001\u4f8b\u3048\u3070\u751f\u5f92\u306e\u8ab0\u304b\u304c\u5f15\u3063\u8d8a\u3057\u306b\u306a\u308a\u3001\u4f4f\u6240\u304c\u5909\u308f\u3063\u305f\u3068\u304d\u306b\u624b\u7d9a\u304d\u304c\u5927\u5909\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u8868\u793a\u3059\u308b\u969b\u306b\u3082\u3001\u5229\u7528\u30b7\u30fc\u30f3\u306b\u5fdc\u3058\u3066\u305d\u308c\u305e\u308c\u306e\u300c\u7d76\u5bfe\u7684\u306b\u6b63\u3057\u3044\u300e\u89aa\u5143\u306e\u8868\u300f\u300d\u304b\u3089\u30c7\u30fc\u30bf\u3092\u629c\u304d\u51fa\u3057\u3001\u305d\u306e\u90fd\u5ea6\u81ea\u5206\u306e\u51fa\u3057\u305f\u3044\u3001\u4e00\u6642\u7684\u306a\u8868(\u30d3\u30e5\u30fc)\u3092\u4f5c\u308b\u3002\u300c\u751f\u5f92\u306e\u6210\u7e3e\u3068\u4f4f\u6240\u4e00\u89a7\u300d\u3092\u51fa\u3057\u3001\u5bb6\u5ead\u8a2a\u554f\u306e\u969b\u306e\u53c2\u8003\u306b\u3057\u305f\u308a\u3001\u300c\u5065\u5eb7\u8a3a\u65ad\u3068\u4f53\u80b2\u6e2c\u5b9a\u306e\u7d50\u679c\u304c\u826f\u304f\u306a\u3044\u751f\u5f92\u306e\u4e00\u89a7\u8868\u300d\u3092\u8868\u793a\u3057\u3001\u5065\u5eb7\u6307\u5c0e\u306b\u6d3b\u304b\u3057\u305f\u308a\u3001\u306a\u3093\u3066\u3053\u3068\u3082\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u8a00\u8449\u306b\u3059\u308b\u3068\u96e3\u3057\u305d\u3046\u3067\u3059\u304c\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3048\u3070\u7c21\u5358\u306b\u4e00\u6642\u7684\u306b\u5fc5\u8981\u306a\u8868\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3><u>RDBMS\u3068\u305d\u306e\u7a2e\u985e<\/u><\/h3>\n<p>&nbsp;<\/p>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7ba1\u7406\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u3001<strong>\u305d\u306e\u540d\u306e\u901a\u308a\u300c\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0(RDBMS\uff1aRelational DataBase Management System)\u300d<\/strong>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>RDBMS\u306b\u306f\u3001\u696d\u754c\u6700\u5927\u624b\u306eOracle\u793e\u304c\u63d0\u4f9b\u3059\u308b\u300cOracle Database\u300d\u3001IBM\u793e\u304c\u63d0\u4f9b\u3059\u308b\u300cDB2\u300d\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3067\u5229\u7528\u3067\u304d\u308b\u300cMySQL\u300d\u300cPostgreSQL\u300d\u300cSQLite\u300d\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<div class=\"entry_btn_group career\">\n<p class=\"microcopy\">\\ IT\u8ee2\u8077\u306e\u30d7\u30ed\u304c\u30ad\u30e3\u30ea\u30a2\u3082\u30b5\u30dd\u30fc\u30c8\uff01 \/<\/p>\n<p class=\"entry_link\"><a href=\"\/entry\/?route=media_button5\">\u7121\u6599\u76f8\u8ac7\u3057\u3066\u307f\u308b<\/a><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>SQL\u3068\u306f<\/h2>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3742 size-full\" src=\"https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2019\/03\/7-20-e1677208140806.jpg\" alt=\"\" width=\"800\" height=\"449\" srcset=\"https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2019\/03\/7-20-e1677208140806.jpg 800w, https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2019\/03\/7-20-e1677208140806-300x168.jpg 300w, https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2019\/03\/7-20-e1677208140806-768x431.jpg 768w, https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2019\/03\/7-20-e1677208140806-660x370.jpg 660w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u3067\u306f\u3001SQL\u3068\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3><u>SQL\u3068\u306f\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a00\u8a9e\u300d<\/u><\/h3>\n<p>&nbsp;<\/p>\n<p>SQL\u3068\u306f\u300c\u30a8\u30b9\u30ad\u30e5\u30fc\u30a8\u30eb\u300d\u3084\u300c\u30b7\u30fc\u30af\u30a7\u30eb\u300d\u306a\u3069\u3068\u547c\u3070\u308c\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u3092\u629c\u304d\u51fa\u3057\u305f\u308a\u3001\u7de8\u96c6\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u306e\u300c<strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a00\u8a9e<\/strong>\u300d\u3067\u3059\u3002\u4f01\u696d\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u6271\u3046\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u300d\u306b\u3068\u3063\u3066\u306f\u3001\u5fc5\u4fee\u306e\u8a00\u8a9e\u3067\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u65b9\u304c\u3088\u304f\u9593\u9055\u3048\u308b\u3053\u3068\u306a\u306e\u3067\u3059\u304c\u3001<strong>SQL\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u306f\u3001\u57fa\u672c\u7684\u306b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306e\u8a00\u8a9e\u3067\u3059\u304c\u3001SQL\u306f\u3001 \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u6271\u3046\u305f\u3081\u306e\u8a00\u8a9e\u306a\u306e\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3><u>SQL\u306e\u547d\u4ee4\u6587\u306f3\u7a2e\u985e<\/u><\/h3>\n<p>&nbsp;<\/p>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a00\u8a9e\u3067\u3042\u308bSQL\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u300c\uff5e\u305b\u3088\u300d\u3068\u3044\u3046\u547d\u4ee4\u6587\u3092\u4e0e\u3048\u3066\u3044\u304f\u5f62\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u547d\u4ee4\u6587\u306b\u306f\u3001\u5927\u304d\u304f\u4ee5\u4e0b\u306e3\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u30fb\u8868\u3092\u4f5c\u3063\u305f\u308a\u524a\u9664\u3057\u305f\u308a\u3059\u308b\u300c<strong>\u30c7\u30fc\u30bf\u5b9a\u7fa9\u8a00\u8a9e(DDL\uff1aData Definition Language)<\/strong>\u300d<\/p>\n<p>\u30fb\u8868\u306b\u3042\u308b\u30c7\u30fc\u30bf\u3092\u691c\u7d22\u3057\u305f\u308a\u7de8\u96c6\u30fb\u524a\u9664\u3057\u305f\u308a\u3059\u308b\u300c<strong>\u30c7\u30fc\u30bf\u64cd\u4f5c\u8a00\u8a9e(DML\uff1aData Manipulation Language)<\/strong>\u300d<\/p>\n<p>\u30fb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u7ba1\u7406\u3059\u308b\u300c<strong>\u30c7\u30fc\u30bf\u5236\u5fa1\u8a00\u8a9e(DCL\uff1aData Control Language)<\/strong>\u300d<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>SQL\u30fb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4eca\u5f8c\u306f\u3069\u3046\u306a\u308b\uff1f\u5c06\u6765\u6027\u306f<\/h2>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-36122 aligncenter\" src=\"https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2020\/11\/faac4d9e42b2cafea3ad9d978357f135-e1662096780662.jpg\" alt=\"\u5149\u3092\u6d74\u3073\u3066\u80b2\u3064\u690d\u7269\u306e\u82bd\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2020\/11\/faac4d9e42b2cafea3ad9d978357f135-e1662096780662.jpg 800w, https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2020\/11\/faac4d9e42b2cafea3ad9d978357f135-e1662096780662-300x169.jpg 300w, https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2020\/11\/faac4d9e42b2cafea3ad9d978357f135-e1662096780662-768x432.jpg 768w, https:\/\/www.geekly.co.jp\/column\/wp-content\/uploads\/2020\/11\/faac4d9e42b2cafea3ad9d978357f135-e1662096780662-660x371.jpg 660w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u73fe\u5728\u306f\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b SQL\u30fb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u304c\u3001\u4eca\u5f8c\u306f\u3069\u3046\u306a\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f\u5c06\u6765\u6027\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3><u>SQL\u30fb\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8ab2\u984c<\/u><\/h3>\n<p>&nbsp;<\/p>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8ab2\u984c\u3068\u3057\u3066\u3001<strong>\u6271\u3046\u30c7\u30fc\u30bf\u91cf\u304c\u81a8\u5927\u306b\u306a\u308b\u3053\u3068\u3067\u30b5\u30fc\u30d0\u5bb9\u91cf\u3092\u5727\u8feb\u3057\u3001\u51e6\u7406\u901f\u5ea6\u3082\u9045\u304f\u306a\u308b\u3068\u3044\u3046<\/strong>\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8ab2\u984c\u3092\u89e3\u6d88\u3067\u304d\u308b\u65b0\u305f\u306a\u6280\u8853\u304c\u65e5\u591c\u7814\u7a76\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3><u>\u6ce8\u76ee\u3055\u308c\u308b\u300cNoSQL\u300d<\/u><\/h3>\n<p>&nbsp;<\/p>\n<p>NoSQL\u3068\u306f\u300cNot Only 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