{"id":6346,"date":"2026-04-28T17:31:36","date_gmt":"2026-04-28T08:31:36","guid":{"rendered":"https:\/\/relasic.jp\/contents\/?post_type=column&#038;p=6346"},"modified":"2026-04-28T17:43:51","modified_gmt":"2026-04-28T08:43:51","slug":"sql%e3%82%a8%e3%83%b3%e3%82%b8%e3%83%8b%e3%82%a2%e3%81%8c%e3%83%95%e3%83%ab%e3%83%aa%e3%83%a2%e3%83%bc%e3%83%88%e6%ad%a3%e7%a4%be%e5%93%a1%e3%81%ab%e3%81%aa%e3%82%8b%e6%96%b9%e6%b3%95%ef%bd%9c","status":"publish","type":"column","link":"https:\/\/relasic.jp\/contents\/column\/sql%e3%82%a8%e3%83%b3%e3%82%b8%e3%83%8b%e3%82%a2%e3%81%8c%e3%83%95%e3%83%ab%e3%83%aa%e3%83%a2%e3%83%bc%e3%83%88%e6%ad%a3%e7%a4%be%e5%93%a1%e3%81%ab%e3%81%aa%e3%82%8b%e6%96%b9%e6%b3%95%ef%bd%9c\/","title":{"rendered":"SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u306b\u306a\u308b\u65b9\u6cd5\uff5c\u5730\u65b9\u304b\u3089\u3067\u3082\u53ef\u80fd\uff01\u597d\u304d\u306a\u5834\u6240\u3067\u50cd\u304f\u6642\u4ee3\u3078"},"content":{"rendered":"<!-- \u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\uff08group\u306e\u5916\uff09 -->\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/relasic.jp\/contents\/assets\/2026\/04\/img-2.jpg\" alt=\"SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u3068\u3057\u3066\u50cd\u304f\u30a4\u30e1\u30fc\u30b8\" class=\"wp-image-xxxx\" style=\"width:730px\"\/><\/figure>\n<\/div>\n\n<!-- \u672c\u6587\u30b0\u30eb\u30fc\u30d7 -->\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n\n<!-- \u30ea\u30fc\u30c9\u6587 -->\n\n<p class=\"wp-block-paragraph\">SQL\u3092\u66f8\u304f\u4ed5\u4e8b\u306f\u3001\u3069\u3053\u3067\u3082\u3067\u304d\u308b\u3002\u305d\u3046\u601d\u3063\u3066\u3044\u308b\u4eba\u306f\u591a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305f\u3060\u3001\u300c\u3069\u3053\u3067\u3082\u300d\u3068\u300c\u3069\u3053\u304b\u3089\u3067\u3082\u6b63\u793e\u54e1\u3068\u3057\u3066\u300d\u306f\u3001\u307e\u3063\u305f\u304f\u9055\u3046\u8a71\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5730\u65b9\u306b\u4f4f\u3093\u3067\u3044\u308b\u3002\u3042\u308b\u3044\u306f\u3001\u3053\u308c\u304b\u3089\u79fb\u4f4f\u3092\u8003\u3048\u3066\u3044\u308b\u3002\u3051\u308c\u3069\u3001SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u306e\u30ad\u30e3\u30ea\u30a2\u3092\u8ae6\u3081\u305f\u304f\u306a\u3044\u3002\u305d\u3093\u306a\u554f\u3044\u3092\u62b1\u3048\u3066\u3044\u308b\u65b9\u306b\u3001\u3053\u306e\u8a18\u4e8b\u3092\u5c4a\u3051\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:#fcf100\" class=\"has-inline-color\">\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u3067\u50cd\u3051\u308b\u6b63\u793e\u54e1\u306e\u6c42\u4eba\u306f\u3001\u7740\u5b9f\u306b\u5897\u3048\u3066\u3044\u307e\u3059\u3002<\/mark>SQL\u30b9\u30ad\u30eb\u3092\u6d3b\u304b\u305b\u308b\u30dd\u30b8\u30b7\u30e7\u30f3\u3082\u3001\u305d\u306e\u4f8b\u5916\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5e02\u5834\u4fa1\u5024\u3001\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u306e\u5b9f\u614b\u3001\u5730\u65b9\u5728\u4f4f\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u9078\u629e\u80a2\u3001\u305d\u3057\u3066\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7\u306e\u9053\u7b4b\u307e\u3067\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n<!-- \u3053\u306e\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8\uff08\u30ea\u30e9\u30b7\u30af\u30cd\u30a4\u30d3\u30fc\u7cfb\u306b\u7d71\u4e00\uff09 -->\n\n<div class=\"wp-block-group has-border-color has-white-background-color has-background\" style=\"border-top-color:#1a365d;border-top-width:1px;border-right-color:#1a365d;border-right-width:1px;border-bottom-color:#1a365d;border-bottom-width:1px;border-left-color:#1a365d;border-left-width:4px;padding-top:20px;padding-right:24px;padding-bottom:20px;padding-left:24px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-0d2d72cd wp-block-group-is-layout-constrained\">\n\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#1a365d;margin-bottom:12px;font-size:15px\"><strong>\ud83d\udccc \u3053\u306e\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"margin-top:0px;margin-bottom:0px\">\n<li>SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u9700\u8981\u306fDX\u63a8\u9032\u306b\u3088\u308a\u62e1\u5927\u50be\u5411\u3002\u30c7\u30fc\u30bf\u6d3b\u7528\u4eba\u6750\u3078\u306e\u671f\u5f85\u304c\u9ad8\u307e\u3063\u3066\u3044\u308b<\/li>\n\n\n\n<li>\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u5bfe\u5fdc\u306e\u6b63\u793e\u54e1\u6c42\u4eba\u306f\u5897\u52a0\u3002IT\u7cfb\u8077\u7a2e\u3067\u306f\u30c6\u30ec\u30ef\u30fc\u30af\u7d99\u7d9a\u7387\u304c\u9ad8\u3044<\/li>\n\n\n\n<li>\u5730\u65b9\u5728\u4f4f\u3067\u3082\u3001\u79fb\u4f4f\u691c\u8a0e\u4e2d\u3067\u3082\u3001\u5834\u6240\u3092\u9078\u3070\u306a\u3044\u50cd\u304d\u65b9\u304c\u3067\u304d\u308b\u6642\u4ee3\u306b\u306a\u3063\u305f<\/li>\n\n\n\n<li>SQL\u30b9\u30ad\u30eb\u306f\u521d\u7d1a\u304b\u3089\u6bb5\u968e\u7684\u306b\u7a4d\u307f\u4e0a\u3052\u53ef\u80fd\u3002\u6280\u8853\u30a4\u30d9\u30f3\u30c8\u3078\u306e\u53c2\u52a0\u3082\u6709\u52b9<\/li>\n<\/ul>\n\n\n<\/div><\/div>\n\n\n<!-- CV\u753b\u50cf\uff08\u30ea\u30f3\u30af\u4ed8\u304d\u30fb500px\uff09\u30ea\u30fc\u30c9\u6587\u5f8c -->\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/relasic.jp\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/relasic.jp\/contents\/assets\/2026\/04\/img_cv.png\" alt=\"\u30ea\u30e9\u30b7\u30af \u4f1a\u54e1\u767b\u9332\u306f\u3053\u3061\u3089\" class=\"wp-image-xxxx\" style=\"width:500px\"\/><\/a><\/figure>\n<\/div>\n\n<!-- \u76ee\u6b21\u30bf\u30a4\u30c8\u30eb\uff08\u67a0\u5916\u30fb\u592a\u5b57\uff09 -->\n\n<p class=\"wp-block-paragraph\" style=\"font-weight:700\">\u76ee\u6b21<\/p>\n\n\n<!-- \u76ee\u6b21\u30dc\u30c3\u30af\u30b9\uff08\u67a0\u7dda\u3042\u308a\uff09 -->\n\n<div class=\"wp-block-group has-border-color has-white-background-color has-background\" style=\"border-color:#1a365d;border-width:1px;border-radius:0px;padding-top:24px;padding-right:28px;padding-bottom:24px;padding-left:28px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-bba1aa89 wp-block-group-is-layout-constrained\">\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:0px;margin-bottom:8px\"><a href=\"#section1\">1. SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5e02\u5834\u4fa1\u5024\u306f\u3001\u4eca\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u306e\u304b<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:4px;margin-bottom:4px;font-size:14px\">\u3000\u3000<a href=\"#section1-1\">1-1. SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u9700\u8981\u304c\u9ad8\u307e\u3063\u3066\u3044\u308b\u80cc\u666f<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:8px;margin-bottom:8px\"><a href=\"#section2\">2. \u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u00d7\u6b63\u793e\u54e1\u3068\u3044\u3046\u9078\u629e\u80a2<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:4px;margin-bottom:4px;font-size:14px\">\u3000\u3000<a href=\"#section2-1\">2-1. \u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u7559\u610f\u70b9<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:8px;margin-bottom:8px\"><a href=\"#section3\">3. \u5730\u65b9\u304b\u3089\u3067\u3082\u3001SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u50cd\u304f<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:4px;margin-bottom:4px;font-size:14px\">\u3000\u3000<a href=\"#section3-1\">3-1. \u5730\u65b9\u66ae\u3089\u3057\u3068\u9996\u90fd\u570f\u66ae\u3089\u3057\u306e\u6bd4\u8f03<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:8px;margin-bottom:8px\"><a href=\"#section4\">4. SQL\u30b9\u30ad\u30eb\u306e\u30ec\u30d9\u30eb\u5225\u6574\u7406\u3068\u78e8\u304d\u65b9<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:4px;margin-bottom:4px;font-size:14px\">\u3000\u3000<a href=\"#section4-1\">4-1. SQL\u30b9\u30ad\u30eb\u30ec\u30d9\u30eb\u5225\u30de\u30c3\u30d7<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:4px;margin-bottom:4px;font-size:14px\">\u3000\u3000<a href=\"#section4-2\">4-2. SQL\u306e\u516c\u5f0f\u60c5\u5831\u3068\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:4px;margin-bottom:4px;font-size:14px\">\u3000\u3000<a href=\"#section4-3\">4-3. \u56fd\u5185\u5916\u306eSQL\u30c6\u30c3\u30af\u30a4\u30d9\u30f3\u30c8<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:4px;margin-bottom:4px;font-size:14px\">\u3000\u3000<a href=\"#section4-4\">4-4. \u30a8\u30ad\u30b9\u30d1\u30fc\u30c8\u5411\u3051\uff1a\u6700\u65b0\u6280\u8853\u30c8\u30ec\u30f3\u30c9<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"margin-top:8px;margin-bottom:0px\"><a href=\"#section5\">5. \u307e\u3068\u3081\uff1a\u5834\u6240\u306f\u9078\u3079\u308b<\/a><\/p>\n\n\n<\/div><\/div>\n\n\n<!-- ========== \u30bb\u30af\u30b7\u30e7\u30f31 ========== -->\n\n<h2 id=\"section1\" class=\"wp-block-heading\">1. SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5e02\u5834\u4fa1\u5024\u306f\u3001\u4eca\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u306e\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u9700\u8981\u306f\u3001DX\u63a8\u9032\u306e\u52a0\u901f\u306b\u3088\u308a\u62e1\u5927\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002\u7d4c\u6e08\u7523\u696d\u7701\u300cIT\u4eba\u6750\u9700\u7d66\u306b\u95a2\u3059\u308b\u8abf\u67fb\u300d\uff082019\u5e74\u516c\u8868\u30fb2024\u5e74\u66f4\u65b0\u7248\u53c2\u7167\uff09\u306b\u3088\u308b\u3068\u30012030\u5e74\u306b\u306f\u6700\u5927\u7d0479\u4e07\u4eba\u306eIT\u4eba\u6750\u304c\u4e0d\u8db3\u3059\u308b\u3068\u8a66\u7b97\u3055\u308c\u3066\u3044\u307e\u3059*1\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u30fb\u904b\u7528\u3092\u62c5\u3046SQL\u30b9\u30ad\u30eb\u4fdd\u6709\u8005\u306f\u3001\u305d\u306e\u4e0d\u8db3\u4eba\u6750\u306e\u4e00\u90e8\u3092\u57cb\u3081\u308b\u5b58\u5728\u3068\u3057\u3066\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002SQL\u3092\u6271\u3048\u308b\u4eba\u6750\u304c\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u3067\u6b63\u793e\u54e1\u3068\u3057\u3066\u50cd\u304f\u9078\u629e\u80a2\u306f\u3001\u4eca\u5f8c\u3055\u3089\u306b\u5e83\u304c\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SQL\u306e\u6b74\u53f2\u306f1970\u5e74\u4ee3\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u53e4\u3044\u304b\u3089\u3068\u3044\u3063\u3066\u9700\u8981\u304c\u306a\u3044\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3080\u3057\u308d\u9006\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f01\u696d\u306eDX\u63a8\u9032\u304c\u672c\u683c\u5316\u3059\u308b\u4e2d\u3001\u30c7\u30fc\u30bf\u3092\u6b63\u3057\u304f\u6271\u3048\u308b\u4eba\u6750\u306e\u91cd\u8981\u6027\u306f\u5897\u3057\u3066\u3044\u307e\u3059\u3002IPA\uff08\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\uff09\u300cIT\u4eba\u6750\u767d\u66f82024\u300d\u306b\u3088\u308b\u3068\u3001\u30c7\u30fc\u30bf\u5229\u6d3b\u7528\u3092\u63a8\u9032\u3059\u308b\u4eba\u6750\u306e\u4e0d\u8db3\u3092\u8ab2\u984c\u306b\u6319\u3052\u308b\u4f01\u696d\u306f\u4f9d\u7136\u3068\u3057\u3066\u591a\u304f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u30fb\u30af\u30a8\u30ea\u6700\u9069\u5316\u30fb\u30c7\u30fc\u30bf\u5206\u6790\u57fa\u76e4\u306e\u69cb\u7bc9\u3068\u3044\u3063\u305f\u30b9\u30ad\u30eb\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u307e\u3059*2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stack Overflow Developer Survey 2024\u306b\u3088\u308b\u3068\u3001SQL\u306f\u4e16\u754c\u4e2d\u306e\u958b\u767a\u8005\u304c\u4f7f\u7528\u3059\u308b\u8a00\u8a9e\u30fb\u6280\u8853\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u3067\u4e0a\u4f4d\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3059*3\u3002JavaScript\u3084Python\u3068\u4e26\u3073\u3001SQL\u306f\u300c\u4f7f\u3048\u3066\u5f53\u7136\u300d\u3067\u306f\u306a\u304f\u300c\u4f7f\u3048\u308b\u3068\u5f37\u3044\u300d\u6280\u8853\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"section1-1\" class=\"wp-block-heading\">1-1. SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u9700\u8981\u304c\u9ad8\u307e\u3063\u3066\u3044\u308b\u80cc\u666f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SQL\u30b9\u30ad\u30eb\u3092\u6301\u3064\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u80cc\u666f\u306b\u306f\u3001\u8907\u6570\u306e\u8981\u56e0\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u305d\u306e\u4e3b\u306a\u8981\u56e0\u3092\u6574\u7406\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u30c7\u30fc\u30bf\u3092\u6271\u3046\u696d\u52d9\u306f\u62e1\u5927\u50be\u5411\u306b\u3042\u308a\u3001SQL\u306f\u305d\u306e\u57fa\u76e4\u6280\u8853\u3068\u3057\u3066\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u30af\u30e9\u30a6\u30c9\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u666e\u53ca\u306b\u3088\u308a\u3001\u5f93\u6765\u306e\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u74b0\u5883\u3060\u3051\u3067\u306a\u304f\u3001AWS\u3001Google Cloud\u3001Azure\u3068\u3044\u3063\u305f\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3067\u306eSQL\u904b\u7528\u30b9\u30ad\u30eb\u3082\u6c42\u3081\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-white-background-color has-background\"><tbody>\n<tr><td><strong>\u8981\u56e0<\/strong><\/td><td><strong>\u5185\u5bb9<\/strong><\/td><td><strong>SQL\u3068\u306e\u95a2\u9023<\/strong><\/td><\/tr>\n<tr><td>DX\u63a8\u9032\u306e\u52a0\u901f<\/td><td>\u4f01\u696d\u306e\u30c7\u30b8\u30bf\u30eb\u5316\u6295\u8cc7\u304c\u62e1\u5927<\/td><td>\u30c7\u30fc\u30bf\u57fa\u76e4\u69cb\u7bc9\u306bSQL\u304c\u5fc5\u9808<\/td><\/tr>\n<tr><td>\u30c7\u30fc\u30bf\u6d3b\u7528\u30cb\u30fc\u30ba\u306e\u9ad8\u307e\u308a<\/td><td>\u7d4c\u55b6\u5224\u65ad\u306b\u30c7\u30fc\u30bf\u5206\u6790\u3092\u6d3b\u7528<\/td><td>BI\u30c4\u30fc\u30eb\u9023\u643a\u306bSQL\u77e5\u8b58\u304c\u5fc5\u8981<\/td><\/tr>\n<tr><td>\u30af\u30e9\u30a6\u30c9\u79fb\u884c\u306e\u9032\u5c55<\/td><td>\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u304b\u3089\u30af\u30e9\u30a6\u30c9DB\u3078<\/td><td>\u30af\u30e9\u30a6\u30c9SQL\uff08BigQuery\u3001Redshift\u7b49\uff09\u306e\u9700\u8981\u5897<\/td><\/tr>\n<tr><td>AI\/\u6a5f\u68b0\u5b66\u7fd2\u306e\u666e\u53ca<\/td><td>\u5b66\u7fd2\u30c7\u30fc\u30bf\u306e\u6574\u5099\u304c\u91cd\u8981\u306b<\/td><td>\u30c7\u30fc\u30bf\u524d\u51e6\u7406\u306bSQL\u3092\u6d3b\u7528<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">SQL\u306f\u300c\u66f8\u3051\u308b\u3060\u3051\u300d\u3067\u306f\u5dee\u5225\u5316\u304c\u96e3\u3057\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3001\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u52b9\u7387\u7684\u306a\u51e6\u7406\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u305f\u8a2d\u8a08\u306a\u3069\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u30b9\u30ad\u30eb\u3092\u6301\u3064\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u91cd\u5b9d\u3055\u308c\u308b\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<!-- ========== \u30bb\u30af\u30b7\u30e7\u30f32 ========== -->\n\n<h2 id=\"section2\" class=\"wp-block-heading\">2. \u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u00d7\u6b63\u793e\u54e1\u3068\u3044\u3046\u9078\u629e\u80a2<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u3067\u50cd\u304d\u305f\u3044\u306a\u3089\u3001\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u306b\u306a\u308b\u3057\u304b\u306a\u3044\u300d\u3002\u305d\u3046\u601d\u3063\u3066\u3044\u308b\u65b9\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u78ba\u304b\u306b\u3001\u30b3\u30ed\u30ca\u798d\u4ee5\u524d\u306f\u305d\u306e\u50be\u5411\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u72b6\u6cc1\u306f\u5909\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c5\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\uff082024\u5e746\u6708\u516c\u8868\uff09\u306b\u3088\u308b\u3068\u3001\u30c6\u30ec\u30ef\u30fc\u30af\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u4f01\u696d\u306e\u5272\u5408\u306f49.9%\u3068\u306a\u3063\u3066\u3044\u307e\u3059*4\u3002\u7d04\u534a\u6570\u306e\u4f01\u696d\u304c\u30c6\u30ec\u30ef\u30fc\u30af\u3092\u5c0e\u5165\u3057\u3066\u304a\u308a\u3001IT\u7cfb\u8077\u7a2e\u3067\u306f\u305d\u306e\u5272\u5408\u304c\u3055\u3089\u306b\u9ad8\u3044\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u8981\u306a\u306e\u306f\u3001\u3053\u308c\u304c\u4e00\u6642\u7684\u306a\u63aa\u7f6e\u3067\u306f\u306a\u304f\u3001\u6052\u5e38\u7684\u306a\u50cd\u304d\u65b9\u3068\u3057\u3066\u5b9a\u7740\u3057\u3064\u3064\u3042\u308b\u70b9\u3067\u3059\u3002\u30c6\u30ec\u30ea\u30e2\u7dcf\u7814\uff08\u682a\u5f0f\u4f1a\u793eLASSIC\u904b\u55b6\uff09\u306e\u8abf\u67fb\u306b\u3088\u308b\u3068\u3001\u4e00\u5ea6\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u3092\u7d4c\u9a13\u3057\u305f\u5f93\u696d\u54e1\u306e\u3046\u3061\u3001\u7d99\u7d9a\u3092\u5e0c\u671b\u3059\u308b\u5272\u5408\u306f\u9ad8\u3044\u6c34\u6e96\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3059*5\u3002\u4f01\u696d\u5074\u3082\u3001\u512a\u79c0\u306a\u4eba\u6750\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u5bfe\u5fdc\u3092\u9032\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<!-- \u672c\u6587\u5185\u753b\u50cf\uff08750px \u00d7 420px\uff09 -->\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/relasic.jp\/contents\/assets\/2026\/04\/img12.png\" alt=\"\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u3068\u3044\u3046\u50cd\u304d\u65b9\u306e\u5909\u5316\u3092\u793a\u3059\u30a4\u30e1\u30fc\u30b8\" class=\"wp-image-xxxx\" style=\"object-fit:cover;width:750px;height:420px\"\/><\/figure>\n<\/div>\n\n\n<h3 id=\"section2-1\" class=\"wp-block-heading\">2-1. \u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u306e\u30e1\u30ea\u30c3\u30c8\u3068\u7559\u610f\u70b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u3068\u3044\u3046\u50cd\u304d\u65b9\u306b\u306f\u3001\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u3068\u306f\u7570\u306a\u308b\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u3067\u306f\u3001\u30e1\u30ea\u30c3\u30c8\u3068\u7559\u610f\u70b9\u3092\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002\u6b63\u793e\u54e1\u96c7\u7528\u3067\u3042\u308b\u305f\u3081\u3001\u793e\u4f1a\u4fdd\u967a\u30fb\u96c7\u7528\u4fdd\u967a\u306e\u9069\u7528\u304c\u3042\u308a\u3001\u53ce\u5165\u306e\u5b89\u5b9a\u6027\u3068\u3044\u3046\u9762\u3067\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u3068\u306f\u7570\u306a\u308b\u5b89\u5fc3\u611f\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u3067\u3042\u3063\u3066\u3082\u4f01\u696d\u306b\u3088\u3063\u3066\u306f\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u306e\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u983b\u5ea6\u3084\u3001\u5b9a\u671f\u7684\u306a\u51fa\u793e\u65e5\u306e\u8a2d\u5b9a\u306a\u3069\u3001\u50cd\u304d\u65b9\u306e\u30eb\u30fc\u30eb\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-white-background-color has-background\"><tbody>\n<tr><td><strong>\u89b3\u70b9<\/strong><\/td><td><strong>\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1<\/strong><\/td><td><strong>\u7559\u610f\u70b9<\/strong><\/td><\/tr>\n<tr><td>\u96c7\u7528\u306e\u5b89\u5b9a\u6027<\/td><td>\u6b63\u793e\u54e1\u3068\u3057\u3066\u96c7\u7528\u5951\u7d04\u3092\u7de0\u7d50<\/td><td>\u4f01\u696d\u306e\u696d\u7e3e\u30fb\u65b9\u91dd\u306b\u3088\u308b\u5f71\u97ff\u3042\u308a<\/td><\/tr>\n<tr><td>\u793e\u4f1a\u4fdd\u969c<\/td><td>\u793e\u4f1a\u4fdd\u967a\u30fb\u96c7\u7528\u4fdd\u967a\u304c\u9069\u7528<\/td><td>\u4f1a\u793e\u8ca0\u62c5\u5206\u306e\u30e1\u30ea\u30c3\u30c8\u3042\u308a<\/td><\/tr>\n<tr><td>\u52e4\u52d9\u5834\u6240<\/td><td>\u81ea\u5b85\u7b49\u304b\u3089\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u53ef\u80fd<\/td><td>\u4f01\u696d\u306b\u3088\u308a\u6708\u6570\u56de\u306e\u51fa\u793e\u3092\u6c42\u3081\u308b\u5834\u5408\u3042\u308a<\/td><\/tr>\n<tr><td>\u30ad\u30e3\u30ea\u30a2\u5f62\u6210<\/td><td>\u793e\u5185\u3067\u306e\u6607\u9032\u30fb\u7570\u52d5\u306e\u6a5f\u4f1a\u3042\u308a<\/td><td>\u30ea\u30e2\u30fc\u30c8\u74b0\u5883\u3067\u306e\u8a55\u4fa1\u57fa\u6e96\u3092\u78ba\u8a8d<\/td><\/tr>\n<tr><td>\u30c1\u30fc\u30e0\u9023\u643a<\/td><td>\u30aa\u30f3\u30e9\u30a4\u30f3\u30c4\u30fc\u30eb\u3067\u5354\u696d<\/td><td>\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u529b\u304c\u91cd\u8981\u306b<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u3068\u3057\u3066\u50cd\u304f\u3053\u3068\u3067\u3001\u300c\u5834\u6240\u300d\u3068\u3044\u3046\u5236\u7d04\u304b\u3089\u89e3\u653e\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5730\u65b9\u5728\u4f4f\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u3084\u3001\u3053\u308c\u304b\u3089\u79fb\u4f4f\u3092\u8003\u3048\u3066\u3044\u308b\u65b9\u306b\u3068\u3063\u3066\u3001\u5927\u304d\u306a\u610f\u5473\u3092\u6301\u3061\u307e\u3059\u3002<\/p>\n\n\n<!-- ========== \u30bb\u30af\u30b7\u30e7\u30f33 ========== -->\n\n<h2 id=\"section3\" class=\"wp-block-heading\">3. \u5730\u65b9\u304b\u3089\u3067\u3082\u3001SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u50cd\u304f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6771\u4eac\u306b\u4f4f\u307e\u306a\u304f\u3066\u3082\u3001\u7cbe\u795e\u7684\u306b\u3082\u7d4c\u6e08\u7684\u306b\u3082\u8c4a\u304b\u306a\u66ae\u3089\u3057\u306f\u3067\u304d\u308b\u3002\u3069\u3053\u304b\u3089\u3067\u3082\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u3067\u4ed5\u4e8b\u306f\u3067\u304d\u308b\u3002\u305d\u3046\u3044\u3046\u9078\u629e\u80a2\u304c\u3042\u308b\u3053\u3068\u3092\u3001\u3053\u3053\u3067\u304a\u4f1d\u3048\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5730\u65b9\u5728\u4f4f\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u62b1\u3048\u308b\u8ab2\u984c\u306e\u4e00\u3064\u306f\u3001\u300c\u8fd1\u304f\u306b\u826f\u3044\u6c42\u4eba\u304c\u306a\u3044\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u3084SQL\u3092\u4f7f\u3063\u305f\u958b\u767a\u306e\u6c42\u4eba\u306f\u3001\u9996\u90fd\u570f\u306b\u96c6\u4e2d\u3059\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u5bfe\u5fdc\u306e\u6c42\u4eba\u304c\u5897\u3048\u305f\u3053\u3068\u3067\u3001\u3053\u306e\u72b6\u6cc1\u306f\u5909\u308f\u308a\u3064\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5730\u65b9\u3067\u66ae\u3089\u3057\u306a\u304c\u3089\u3001\u9996\u90fd\u570f\u306e\u4f01\u696d\u3067\u6b63\u793e\u54e1\u3068\u3057\u3066\u50cd\u304f\u3002\u305d\u306e\u3088\u3046\u306a\u9078\u629e\u80a2\u304c\u73fe\u5b9f\u7684\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"section3-1\" class=\"wp-block-heading\">3-1. \u5730\u65b9\u66ae\u3089\u3057\u3068\u9996\u90fd\u570f\u66ae\u3089\u3057\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5730\u65b9\u3067\u66ae\u3089\u3057\u306a\u304c\u3089\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u3067\u50cd\u304f\u3053\u3068\u306b\u306f\u3001\u8907\u6570\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u4e00\u822c\u7684\u306b\u8a00\u308f\u308c\u3066\u3044\u308b\u5730\u65b9\u66ae\u3089\u3057\u3068\u9996\u90fd\u570f\u66ae\u3089\u3057\u306e\u9055\u3044\u3092\u6574\u7406\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u751f\u6d3b\u30b3\u30b9\u30c8\u306e\u5dee\u306f\u5730\u57df\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u5bb6\u8cc3\u3084\u99d0\u8eca\u5834\u4ee3\u306a\u3069\u3067\u5dee\u304c\u51fa\u3084\u3059\u3044\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002\u901a\u52e4\u6642\u9593\u304c\u306a\u304f\u306a\u308b\u3053\u3068\u3067\u3001\u751f\u6d3b\u306e\u8cea\u304c\u5411\u4e0a\u3057\u305f\u3068\u611f\u3058\u308b\u4eba\u3082\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-white-background-color has-background\"><tbody>\n<tr><td><strong>\u89b3\u70b9<\/strong><\/td><td><strong>\u5730\u65b9\u66ae\u3089\u3057\uff08\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u52e4\u52d9\uff09<\/strong><\/td><td><strong>\u9996\u90fd\u570f\u66ae\u3089\u3057\uff08\u901a\u52e4\u3042\u308a\uff09<\/strong><\/td><\/tr>\n<tr><td>\u4f4f\u5c45\u8cbb<\/td><td>\u9996\u90fd\u570f\u3088\u308a\u4f4e\u3044\u50be\u5411<\/td><td>\u9ad8\u3044\u50be\u5411\uff08\u7279\u306b\u90fd\u5fc3\u90e8\uff09<\/td><\/tr>\n<tr><td>\u901a\u52e4\u6642\u9593<\/td><td>\u306a\u3057\uff08\u5728\u5b85\u52e4\u52d9\uff09<\/td><td>\u7247\u905330\u5206\u301c1\u6642\u9593\u4ee5\u4e0a<\/td><\/tr>\n<tr><td>\u751f\u6d3b\u74b0\u5883<\/td><td>\u81ea\u7136\u304c\u8fd1\u3044\u3001\u5e83\u3044\u4f4f\u5c45<\/td><td>\u5546\u696d\u65bd\u8a2d\u30fb\u4ea4\u901a\u306e\u5229\u4fbf\u6027<\/td><\/tr>\n<tr><td>\u5b50\u80b2\u3066\u74b0\u5883<\/td><td>\u5f85\u6a5f\u5150\u7ae5\u304c\u5c11\u306a\u3044\u5730\u57df\u3042\u308a<\/td><td>\u5f85\u6a5f\u5150\u7ae5\u554f\u984c\u306e\u3042\u308b\u5730\u57df\u3082<\/td><\/tr>\n<tr><td>\u4ed5\u4e8b\u306e\u9078\u629e\u80a2<\/td><td>\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u5bfe\u5fdc\u6c42\u4eba\u306b\u9650\u5b9a<\/td><td>\u901a\u52e4\u570f\u5185\u306e\u6c42\u4eba\u3082\u9078\u629e\u53ef\u80fd<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7dcf\u52d9\u7701\u300c\u4f4f\u6c11\u57fa\u672c\u53f0\u5e33\u4eba\u53e3\u79fb\u52d5\u5831\u544a\u300d\u306b\u3088\u308b\u3068\u3001\u8fd1\u5e74\u306f\u6771\u4eac\u570f\u3078\u306e\u4e00\u6975\u96c6\u4e2d\u306e\u50be\u5411\u306b\u3084\u3084\u5909\u5316\u304c\u898b\u3089\u308c\u307e\u3059\u3002\u30c6\u30ec\u30ef\u30fc\u30af\u306e\u666e\u53ca\u304c\u3001\u5730\u65b9\u79fb\u4f4f\u3092\u691c\u8a0e\u3059\u308b\u4e00\u56e0\u306b\u306a\u3063\u3066\u3044\u308b\u3068\u306e\u6307\u6458\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u5730\u65b9\u306b\u4f4f\u3093\u3067\u3044\u308b\u304b\u3089\u300d\u300c\u79fb\u4f4f\u3092\u8003\u3048\u3066\u3044\u308b\u304b\u3089\u300d\u3068\u3044\u3046\u7406\u7531\u3067\u3001\u30ad\u30e3\u30ea\u30a2\u3092\u8ae6\u3081\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u5bfe\u5fdc\u306eSQL\u30a8\u30f3\u30b8\u30cb\u30a2\u6c42\u4eba\u3092\u63a2\u3059\u3053\u3068\u3067\u3001\u4f4f\u3080\u5834\u6240\u3068\u50cd\u304f\u5834\u6240\u3092\u5207\u308a\u96e2\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<!-- ========== \u30bb\u30af\u30b7\u30e7\u30f34 ========== -->\n\n<h2 id=\"section4\" class=\"wp-block-heading\">4. SQL\u30b9\u30ad\u30eb\u306e\u30ec\u30d9\u30eb\u5225\u6574\u7406\u3068\u78e8\u304d\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u3092\u76ee\u6307\u3059\u306a\u3089\u3001\u30b9\u30ad\u30eb\u306e\u68da\u5378\u3057\u3068\u5f37\u5316\u306f\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u3053\u3053\u3067\u306f\u3001SQL\u30b9\u30ad\u30eb\u3092\u521d\u7d1a\u304b\u3089\u30a8\u30ad\u30b9\u30d1\u30fc\u30c8\u307e\u3067\u6574\u7406\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u30ec\u30d9\u30eb\u3067\u6c42\u3081\u3089\u308c\u308b\u80fd\u529b\u3068\u5b66\u7fd2\u306e\u65b9\u5411\u6027\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"section4-1\" class=\"wp-block-heading\">4-1. SQL\u30b9\u30ad\u30eb\u30ec\u30d9\u30eb\u5225\u30de\u30c3\u30d7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SQL\u30b9\u30ad\u30eb\u306f\u6bb5\u968e\u7684\u306b\u7a4d\u307f\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u521d\u7d1a\u30fb\u4e2d\u7d1a\u30fb\u4e0a\u7d1a\u30fb\u30a8\u30ad\u30b9\u30d1\u30fc\u30c8\u306e4\u6bb5\u968e\u3067\u30b9\u30ad\u30eb\u3092\u6574\u7406\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u81ea\u5206\u306e\u73fe\u5728\u5730\u3092\u628a\u63e1\u3057\u3001\u6b21\u306b\u76ee\u6307\u3059\u3079\u304d\u30ec\u30d9\u30eb\u3092\u660e\u78ba\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u8ee2\u8077\u5e02\u5834\u3067\u8a55\u4fa1\u3055\u308c\u3084\u3059\u3044\u306e\u306f\u4e2d\u7d1a\u4ee5\u4e0a\u3067\u3059\u304c\u3001\u521d\u7d1a\u304b\u3089\u7740\u5b9f\u306b\u30b9\u30c6\u30c3\u30d7\u30a2\u30c3\u30d7\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-white-background-color has-background\"><tbody>\n<tr><td><strong>\u30ec\u30d9\u30eb<\/strong><\/td><td><strong>\u30b9\u30ad\u30eb\u5185\u5bb9<\/strong><\/td><td><strong>\u5b9f\u52d9\u3067\u306e\u6d3b\u7528\u4f8b<\/strong><\/td><\/tr>\n<tr><td><strong>\u521d\u7d1a<\/strong><\/td><td>SELECT\u3001WHERE\u3001ORDER BY\u3001\u57fa\u672c\u7684\u306aJOIN<\/td><td>\u5b9a\u578b\u30ec\u30dd\u30fc\u30c8\u306e\u62bd\u51fa\u3001\u7c21\u5358\u306a\u30c7\u30fc\u30bf\u53d6\u5f97<\/td><\/tr>\n<tr><td><strong>\u4e2d\u7d1a<\/strong><\/td><td>\u30b5\u30d6\u30af\u30a8\u30ea\u3001\u96c6\u8a08\u95a2\u6570\u3001GROUP BY\u3001\u8907\u6570\u30c6\u30fc\u30d6\u30eb\u306eJOIN\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u7406\u89e3<\/td><td>\u8907\u96d1\u306a\u96c6\u8a08\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u57fa\u790e<\/td><\/tr>\n<tr><td><strong>\u4e0a\u7d1a<\/strong><\/td><td>\u30a6\u30a3\u30f3\u30c9\u30a6\u95a2\u6570\u3001CTE\uff08\u5171\u901a\u30c6\u30fc\u30d6\u30eb\u5f0f\uff09\u3001\u5b9f\u884c\u8a08\u753b\u306e\u8aad\u307f\u89e3\u304d\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/td><td>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u3001\u30af\u30a8\u30ea\u6700\u9069\u5316<\/td><\/tr>\n<tr><td><strong>\u30a8\u30ad\u30b9\u30d1\u30fc\u30c8<\/strong><\/td><td>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\uff08\u6b63\u898f\u5316\u30fb\u975e\u6b63\u898f\u5316\uff09\u3001\u5206\u6563DB\u3001\u30af\u30e9\u30a6\u30c9DWH\uff08BigQuery\u3001Redshift\u3001Snowflake\uff09\u3001\u30c7\u30fc\u30bf\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u69cb\u7bc9<\/td><td>\u30c7\u30fc\u30bf\u57fa\u76e4\u306e\u8a2d\u8a08\u30fb\u69cb\u7bc9\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u7b56\u5b9a<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<h3 id=\"section4-2\" class=\"wp-block-heading\">4-2. SQL\u306e\u516c\u5f0f\u60c5\u5831\u3068\u5b66\u7fd2\u30ea\u30bd\u30fc\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SQL\u306e\u5b66\u7fd2\u306b\u306f\u3001\u5404\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d9\u30f3\u30c0\u30fc\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u6709\u7528\u3067\u3059\u3002\u4ee5\u4e0b\u306f\u4e3b\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n\n\n<!-- \u7b87\u6761\u66f8\u304d\uff1a\u516c\u5f0f\u60c5\u5831\u30ea\u30b9\u30c8\uff08\u30ea\u30e9\u30b7\u30af\u30cd\u30a4\u30d3\u30fc\u67a0\u4ed8\u304d\uff09 -->\n\n<div class=\"wp-block-group has-border-color has-white-background-color has-background\" style=\"border-top-color:#cbd5e0;border-top-width:1px;border-right-color:#cbd5e0;border-right-width:1px;border-bottom-color:#cbd5e0;border-bottom-width:1px;border-left-color:#1a365d;border-left-width:4px;padding-top:18px;padding-right:22px;padding-bottom:18px;padding-left:24px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-d73949b2 wp-block-group-is-layout-constrained\">\n\n\n<ul class=\"wp-block-list\" style=\"margin-top:0px;margin-bottom:0px\">\n<li><strong>PostgreSQL\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/strong>\uff1a<a href=\"https:\/\/www.postgresql.org\/docs\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.postgresql.org\/docs\/<\/a> &#8211; \u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9RDBMS\u306e\u4ee3\u8868\u683c\u3002\u8a73\u7d30\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u7121\u6599\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059*6<\/li>\n\n\n\n<li><strong>MySQL\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/strong>\uff1a<a href=\"https:\/\/dev.mysql.com\/doc\/\" target=\"_blank\" rel=\"noopener\">https:\/\/dev.mysql.com\/doc\/<\/a> &#8211; Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u5e83\u304f\u4f7f\u308f\u308c\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9*7<\/li>\n\n\n\n<li><strong>Microsoft SQL Server\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/strong>\uff1a<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/sql\/\" target=\"_blank\" rel=\"noopener\">https:\/\/learn.microsoft.com\/ja-jp\/sql\/<\/a> &#8211; \u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u5411\u3051\u306e\u8c4a\u5bcc\u306a\u6a5f\u80fd*8<\/li>\n\n\n\n<li><strong>Google BigQuery\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/strong>\uff1a<a href=\"https:\/\/cloud.google.com\/bigquery\/docs\" target=\"_blank\" rel=\"noopener\">https:\/\/cloud.google.com\/bigquery\/docs<\/a> &#8211; \u30af\u30e9\u30a6\u30c9DWH\u306e\u4ee3\u8868\u683c*9<\/li>\n<\/ul>\n\n\n<\/div><\/div>\n\n\n\n<h3 id=\"section4-3\" class=\"wp-block-heading\">4-3. \u56fd\u5185\u5916\u306eSQL\u30c6\u30c3\u30af\u30a4\u30d9\u30f3\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7\u306b\u306f\u3001\u6280\u8853\u30a4\u30d9\u30f3\u30c8\u3078\u306e\u53c2\u52a0\u3082\u6709\u52b9\u3067\u3059\u3002\u6700\u65b0\u306e\u6280\u8853\u30c8\u30ec\u30f3\u30c9\u3092\u628a\u63e1\u3057\u3001\u540c\u3058\u5206\u91ce\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3064\u306a\u304c\u308b\u6a5f\u4f1a\u306b\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001SQL\u30fb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u95a2\u9023\u306e\u4e3b\u8981\u306a\u30a4\u30d9\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#1a365d;margin-bottom:8px\"><strong>\u56fd\u5185\u30a4\u30d9\u30f3\u30c8<\/strong><\/p>\n\n\n<!-- \u7b87\u6761\u66f8\u304d\uff1a\u56fd\u5185\u30a4\u30d9\u30f3\u30c8\uff08\u30ea\u30e9\u30b7\u30af\u30cd\u30a4\u30d3\u30fc\u67a0\u4ed8\u304d\uff09 -->\n\n<div class=\"wp-block-group has-border-color has-white-background-color has-background\" style=\"border-top-color:#cbd5e0;border-top-width:1px;border-right-color:#cbd5e0;border-right-width:1px;border-bottom-color:#cbd5e0;border-bottom-width:1px;border-left-color:#1a365d;border-left-width:4px;padding-top:18px;padding-right:22px;padding-bottom:18px;padding-left:24px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-d73949b2 wp-block-group-is-layout-constrained\">\n\n\n<ul class=\"wp-block-list\" style=\"margin-top:0px;margin-bottom:0px\">\n<li><strong><a href=\"https:\/\/db-tech-showcase.com\/\" target=\"_blank\" rel=\"noopener\">db tech showcase<\/a><\/strong> &#8211; \u56fd\u5185\u6700\u5927\u7d1a\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u6280\u8853\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3002\u5404\u30d9\u30f3\u30c0\u30fc\u306e\u6700\u65b0\u60c5\u5831\u3084\u5b9f\u52d9\u4e8b\u4f8b\u304c\u767a\u8868\u3055\u308c\u307e\u3059<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.postgresql.jp\/con\" target=\"_blank\" rel=\"noopener\">PostgreSQL Conference Japan<\/a><\/strong> &#8211; PostgreSQL\u306b\u7279\u5316\u3057\u305f\u56fd\u5185\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3002\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u4e3b\u50ac\u3067\u6bce\u5e74\u958b\u50ac<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.mysql.com\/news-and-events\/events\/\" target=\"_blank\" rel=\"noopener\">MySQL User Conference<\/a><\/strong> &#8211; MySQL\u30e6\u30fc\u30b6\u30fc\u5411\u3051\u306e\u30a4\u30d9\u30f3\u30c8\u3002\u5b9f\u52d9\u3067\u306e\u6d3b\u7528\u4e8b\u4f8b\u304c\u5171\u6709\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n\n\n<\/div><\/div>\n\n\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#1a365d;margin-top:20px;margin-bottom:8px\"><strong>\u6d77\u5916\u30a4\u30d9\u30f3\u30c8\uff08\u30aa\u30f3\u30e9\u30a4\u30f3\u53c2\u52a0\u53ef\u80fd\u306a\u3082\u306e\u3082\uff09<\/strong><\/p>\n\n\n<!-- \u7b87\u6761\u66f8\u304d\uff1a\u6d77\u5916\u30a4\u30d9\u30f3\u30c8\uff08\u30ea\u30e9\u30b7\u30af\u30cd\u30a4\u30d3\u30fc\u67a0\u4ed8\u304d\uff09 -->\n\n<div class=\"wp-block-group has-border-color has-white-background-color has-background\" style=\"border-top-color:#cbd5e0;border-top-width:1px;border-right-color:#cbd5e0;border-right-width:1px;border-bottom-color:#cbd5e0;border-bottom-width:1px;border-left-color:#1a365d;border-left-width:4px;padding-top:18px;padding-right:22px;padding-bottom:18px;padding-left:24px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-d73949b2 wp-block-group-is-layout-constrained\">\n\n\n<ul class=\"wp-block-list\" style=\"margin-top:0px;margin-bottom:0px\">\n<li><strong><a href=\"https:\/\/pgconf.eu\/\" target=\"_blank\" rel=\"noopener\">PGConf.EU<\/a> \/ <a href=\"https:\/\/postgresconf.org\/\" target=\"_blank\" rel=\"noopener\">PGConf.US<\/a><\/strong> &#8211; PostgreSQL\u306e\u56fd\u969b\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3002\u30e8\u30fc\u30ed\u30c3\u30d1\u30fb\u30a2\u30e1\u30ea\u30ab\u3067\u958b\u50ac<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/www.snowflake.com\/summit\/\" target=\"_blank\" rel=\"noopener\">Snowflake Summit<\/a><\/strong> &#8211; \u30af\u30e9\u30a6\u30c9DWH Snowflake\u306e\u30e6\u30fc\u30b6\u30fc\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/cloud.withgoogle.com\/next\/\" target=\"_blank\" rel=\"noopener\">Google Cloud Next<\/a><\/strong> &#8211; BigQuery\u7b49\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u591a\u6570\u3002\u30aa\u30f3\u30e9\u30a4\u30f3\u8996\u8074\u53ef\u80fd<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/reinvent.awsevents.com\/\" target=\"_blank\" rel=\"noopener\">AWS re:Invent<\/a><\/strong> &#8211; Amazon Redshift\u3001Athena\u7b49\u306e\u30c7\u30fc\u30bf\u95a2\u9023\u30bb\u30c3\u30b7\u30e7\u30f3\u3042\u308a<\/li>\n<\/ul>\n\n\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u30aa\u30f3\u30e9\u30a4\u30f3\u53c2\u52a0\u304c\u53ef\u80fd\u306a\u30a4\u30d9\u30f3\u30c8\u3082\u5897\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u5730\u65b9\u5728\u4f4f\u3067\u3082\u6700\u65b0\u306e\u6280\u8853\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"section4-4\" class=\"wp-block-heading\">4-4. \u30a8\u30ad\u30b9\u30d1\u30fc\u30c8\u5411\u3051\uff1a\u6700\u65b0\u6280\u8853\u30c8\u30ec\u30f3\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3059\u3067\u306bSQL\u306e\u77e5\u8b58\u304c\u8c4a\u5bcc\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3082\u3001\u6280\u8853\u306e\u9032\u5316\u306f\u6b62\u307e\u308a\u307e\u305b\u3093\u3002\u4ee5\u4e0b\u306f\u3001\u8fd1\u5e74\u6ce8\u76ee\u3055\u308c\u3066\u3044\u308bSQL\u304a\u3088\u3073\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u95a2\u9023\u306e\u30c8\u30ec\u30f3\u30c9\u3067\u3059\u3002<\/p>\n\n\n<!-- \u7b87\u6761\u66f8\u304d\uff1a\u6700\u65b0\u6280\u8853\u30c8\u30ec\u30f3\u30c9\uff08\u30ea\u30e9\u30b7\u30af\u30cd\u30a4\u30d3\u30fc\u67a0\u4ed8\u304d\uff09 -->\n\n<div class=\"wp-block-group has-border-color has-white-background-color has-background\" style=\"border-top-color:#cbd5e0;border-top-width:1px;border-right-color:#cbd5e0;border-right-width:1px;border-bottom-color:#cbd5e0;border-bottom-width:1px;border-left-color:#1a365d;border-left-width:4px;padding-top:18px;padding-right:22px;padding-bottom:18px;padding-left:24px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-d73949b2 wp-block-group-is-layout-constrained\">\n\n\n<ul class=\"wp-block-list\" style=\"margin-top:0px;margin-bottom:0px\">\n<li><strong>Data Lakehouse<\/strong> &#8211; \u30c7\u30fc\u30bf\u30ec\u30a4\u30af\u3068\u30c7\u30fc\u30bf\u30a6\u30a7\u30a2\u30cf\u30a6\u30b9\u3092\u7d71\u5408\u3057\u305f\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3002Databricks\u3001Snowflake\u7b49\u304c\u63a8\u9032<\/li>\n\n\n\n<li><strong>HTAP\uff08Hybrid Transactional\/Analytical Processing\uff09<\/strong> &#8211; \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u3068\u5206\u6790\u51e6\u7406\u3092\u540c\u4e00\u30b7\u30b9\u30c6\u30e0\u3067\u5b9f\u884c\u3002TiDB\u3001SingleStore\u7b49<\/li>\n\n\n\n<li><strong>dbt\uff08data build tool\uff09<\/strong> &#8211; SQL\u30d9\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u5909\u63db\u30c4\u30fc\u30eb\u3002\u30c7\u30fc\u30bf\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u6a19\u6e96\u30c4\u30fc\u30eb\u3068\u3057\u3066\u666e\u53ca<\/li>\n\n\n\n<li><strong>\u30af\u30a8\u30ea\u30a8\u30f3\u30b8\u30f3\u306e\u9032\u5316<\/strong> &#8211; Presto\u3001Trino\u3001DuckDB\u7b49\u3001\u9ad8\u901f\u306aSQL\u30af\u30a8\u30ea\u30a8\u30f3\u30b8\u30f3\u306e\u767a\u5c55<\/li>\n\n\n\n<li><strong>PostgreSQL\u306e\u6a5f\u80fd\u62e1\u5f35<\/strong> &#8211; JSONB\u30b5\u30dd\u30fc\u30c8\u3001\u8ad6\u7406\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u306e\u5f37\u5316\u306a\u3069\u3001\u7d99\u7d9a\u7684\u306a\u9032\u5316<\/li>\n<\/ul>\n\n\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u6280\u8853\u52d5\u5411\u3092\u62bc\u3055\u3048\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6b63\u793e\u54e1\u3068\u3057\u3066\u6c42\u3081\u3089\u308c\u308b\u5373\u6226\u529b\u3068\u3057\u3066\u306e\u30a2\u30d4\u30fc\u30eb\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<!-- ========== \u30bb\u30af\u30b7\u30e7\u30f35: \u307e\u3068\u3081 ========== -->\n\n<h2 id=\"section5\" class=\"wp-block-heading\">5. \u307e\u3068\u3081\uff1a\u5834\u6240\u306f\u9078\u3079\u308b<\/h2>\n\n\n<!-- \u7b87\u6761\u66f8\u304d\uff1a\u307e\u3068\u3081\u30dd\u30a4\u30f3\u30c8\uff08\u30ea\u30e9\u30b7\u30af\u30cd\u30a4\u30d3\u30fc\u67a0\u4ed8\u304d\uff09 -->\n\n<div class=\"wp-block-group has-border-color has-white-background-color has-background\" style=\"border-top-color:#1a365d;border-top-width:1px;border-right-color:#1a365d;border-right-width:1px;border-bottom-color:#1a365d;border-bottom-width:1px;border-left-color:#1a365d;border-left-width:4px;padding-top:20px;padding-right:24px;padding-bottom:20px;padding-left:24px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-0d2d72cd wp-block-group-is-layout-constrained\">\n\n\n<ul class=\"wp-block-list\" style=\"margin-top:0px;margin-bottom:0px\">\n<li>SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u9700\u8981\u306f\u3001DX\u63a8\u9032\u306e\u52a0\u901f\u306b\u3088\u308a\u62e1\u5927\u50be\u5411\u306b\u3042\u308b\u3002\u30c7\u30fc\u30bf\u3092\u6271\u3048\u308b\u30b9\u30ad\u30eb\u306f\u4eca\u5f8c\u3082\u91cd\u8981<\/li>\n\n\n\n<li>\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u5bfe\u5fdc\u306e\u6b63\u793e\u54e1\u6c42\u4eba\u306f\u5897\u52a0\u3057\u3066\u3044\u308b\u3002\u30d5\u30ea\u30fc\u30e9\u30f3\u30b9\u3067\u306a\u304f\u3066\u3082\u3001\u5834\u6240\u3092\u9078\u3070\u306a\u3044\u50cd\u304d\u65b9\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u5730\u65b9\u5728\u4f4f\u3067\u3082\u3001\u79fb\u4f4f\u3092\u691c\u8a0e\u3057\u3066\u3044\u3066\u3082\u3001\u9996\u90fd\u570f\u306e\u4f01\u696d\u3067\u6b63\u793e\u54e1\u3068\u3057\u3066\u50cd\u304f\u9078\u629e\u80a2\u304c\u3042\u308b<\/li>\n\n\n\n<li>SQL\u30b9\u30ad\u30eb\u306f\u6bb5\u968e\u7684\u306b\u7a4d\u307f\u4e0a\u3052\u3089\u308c\u308b\u3002\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084\u30c6\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3092\u6d3b\u7528\u3057\u3001\u7d99\u7d9a\u7684\u306b\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7\u3092<\/li>\n<\/ul>\n\n\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6771\u4eac\u306b\u4f4f\u307e\u306a\u304f\u3066\u3082\u3001\u7cbe\u795e\u7684\u306b\u3082\u7d4c\u6e08\u7684\u306b\u3082\u8c4a\u304b\u306a\u66ae\u3089\u3057\u306f\u3067\u304d\u307e\u3059\u3002\u3069\u3053\u304b\u3089\u3067\u3082\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u3067\u4ed5\u4e8b\u306f\u3067\u304d\u308b\u3002\u305d\u3046\u3044\u3046\u9078\u629e\u80a2\u304c\u3042\u308b\u3053\u3068\u3092\u3001\u3053\u306e\u8a18\u4e8b\u3092\u901a\u3058\u3066\u304a\u4f1d\u3048\u3067\u304d\u305f\u306a\u3089\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u5206\u306e\u30b9\u30ad\u30eb\u3068\u3001\u81ea\u5206\u306e\u66ae\u3089\u3057\u305f\u3044\u5834\u6240\u3002\u305d\u306e\u4e21\u65b9\u3092\u5927\u5207\u306b\u3067\u304d\u308b\u50cd\u304d\u65b9\u3092\u3001\u63a2\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<!-- ========== CTA ========== -->\n\n<p class=\"wp-block-paragraph\"><strong>Relasic\uff08\u30ea\u30e9\u30b7\u30af\uff09\u306b\u3064\u3044\u3066<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Relasic\uff08\u682a\u5f0f\u4f1a\u793eLASSIC\u904b\u55b6\uff09\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u5bfe\u5fdc\u306e\u6b63\u793e\u54e1\u6c42\u4eba\u306b\u7279\u5316\u3057\u305f\u8ee2\u8077\u652f\u63f4\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002SQL\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u30c7\u30fc\u30bf\u30a8\u30f3\u30b8\u30cb\u30a2\u306a\u3069\u3001\u30c7\u30fc\u30bf\u3092\u6271\u3046\u30dd\u30b8\u30b7\u30e7\u30f3\u306e\u6c42\u4eba\u3082\u53d6\u308a\u6271\u3063\u3066\u3044\u307e\u3059\u3002\u30d5\u30eb\u30ea\u30e2\u30fc\u30c8\u6c42\u4eba\uff08\u5168\u4f53\u306e\u7d0440%\uff09\u304b\u3089\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u52e4\u52d9\u6c42\u4eba\u307e\u3067\u3001\u591a\u6570\u306e\u6c42\u4eba\u3092\u53d6\u308a\u6271\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5730\u65b9\u5728\u4f4f\u306e\u65b9\u3001\u79fb\u4f4f\u3092\u691c\u8a0e\u3057\u3066\u3044\u308b\u65b9\u3082\u3001\u307e\u305a\u306f\u6c42\u4eba\u60c5\u5831\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u30ad\u30e3\u30ea\u30a2\u30a2\u30c9\u30d0\u30a4\u30b6\u30fc\u3078\u306e\u76f8\u8ac7\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>\u25bc \u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u5bfe\u5fdc\u306e\u6c42\u4eba\u3092\u898b\u308b<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">\u30ad\u30e3\u30ea\u30a2\u76f8\u8ac7\u30fb\u6c42\u4eba\u7d39\u4ecb\u306f\u7121\u6599\u3067\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059<\/p>\n\n\n<!-- CV\u753b\u50cf\uff08\u30ea\u30f3\u30af\u4ed8\u304d\u30fb450px\uff09\u8a18\u4e8b\u672b\u5c3e -->\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/relasic.jp\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/relasic.jp\/contents\/assets\/2026\/04\/img_cv.png\" alt=\"\u30ea\u30e9\u30b7\u30af \u4f1a\u54e1\u767b\u9332\u306f\u3053\u3061\u3089\" class=\"wp-image-xxxx\" style=\"width:450px\"\/><\/a><\/figure>\n<\/div>\n\n<!-- ========== \u51fa\u5178 ========== -->\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#888888;font-size:12px\"><strong>\u51fa\u5178\u30fb\u53c2\u8003\u60c5\u5831<\/strong><\/p>\n\n\n\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#999999;font-size:11px\">\uff0a1\u3000<a href=\"https:\/\/www.meti.go.jp\/policy\/it_policy\/jinzai\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#999999;\">\u7d4c\u6e08\u7523\u696d\u7701\u300cIT\u4eba\u6750\u9700\u7d66\u306b\u95a2\u3059\u308b\u8abf\u67fb\u300d\uff082019\u5e74\u516c\u8868\u30fb2024\u5e74\u66f4\u65b0\u7248\u53c2\u7167\uff09<\/a><br>\uff0a2\u3000<a href=\"https:\/\/www.ipa.go.jp\/jinzai\/chousa\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#999999;\">IPA\uff08\u60c5\u5831\u51e6\u7406\u63a8\u9032\u6a5f\u69cb\uff09\u300cIT\u4eba\u6750\u767d\u66f82024\u300d<\/a><br>\uff0a3\u3000<a href=\"https:\/\/survey.stackoverflow.co\/2024\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#999999;\">Stack Overflow\u300cDeveloper Survey 2024\u300d<\/a><br>\uff0a4\u3000<a href=\"https:\/\/www.soumu.go.jp\/johotsusintokei\/statistics\/statistics05.html\" target=\"_blank\" rel=\"noopener\" style=\"color:#999999;\">\u7dcf\u52d9\u7701\u300c\u4ee4\u548c5\u5e74\u901a\u4fe1\u5229\u7528\u52d5\u5411\u8abf\u67fb\u300d\uff082024\u5e746\u6708\u516c\u8868\uff09<\/a><br>\uff0a5\u3000<a href=\"https:\/\/telework-labo.jp\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#999999;\">\u30c6\u30ec\u30ea\u30e2\u7dcf\u7814\uff08\u682a\u5f0f\u4f1a\u793eLASSIC\u904b\u55b6\uff09\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u5b9f\u614b\u8abf\u67fb<\/a><br>\uff0a6\u3000<a href=\"https:\/\/www.postgresql.org\/docs\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#999999;\">PostgreSQL\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><br>\uff0a7\u3000<a href=\"https:\/\/dev.mysql.com\/doc\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#999999;\">MySQL\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><br>\uff0a8\u3000<a href=\"https:\/\/learn.microsoft.com\/ja-jp\/sql\/\" target=\"_blank\" rel=\"noopener\" style=\"color:#999999;\">Microsoft SQL Server\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><br>\uff0a9\u3000<a href=\"https:\/\/cloud.google.com\/bigquery\/docs\" target=\"_blank\" rel=\"noopener\" style=\"color:#999999;\">Google BigQuery\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><\/p>\n\n\n<\/div><\/div>\n","protected":false},"featured_media":6402,"template":"","genre":[390],"class_list":["post-6346","column","type-column","status-publish","has-post-thumbnail","hentry","genre-knowhow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/relasic.jp\/contents\/wp-json\/wp\/v2\/column\/6346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/relasic.jp\/contents\/wp-json\/wp\/v2\/column"}],"about":[{"href":"https:\/\/relasic.jp\/contents\/wp-json\/wp\/v2\/types\/column"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/relasic.jp\/contents\/wp-json\/wp\/v2\/media\/6402"}],"wp:attachment":[{"href":"https:\/\/relasic.jp\/contents\/wp-json\/wp\/v2\/media?parent=6346"}],"wp:term":[{"taxonomy":"genre","embeddable":true,"href":"https:\/\/relasic.jp\/contents\/wp-json\/wp\/v2\/genre?post=6346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}