{"id":8995,"date":"2026-01-10T07:28:38","date_gmt":"2026-01-09T23:28:38","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/ja\/beginners-guide-to-yourdon-and-coad-diagrams-with-visual-paradigm-online\/"},"modified":"2026-01-10T07:28:38","modified_gmt":"2026-01-09T23:28:38","slug":"beginners-guide-to-yourdon-and-coad-diagrams-with-visual-paradigm-online","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/ja\/beginners-guide-to-yourdon-and-coad-diagrams-with-visual-paradigm-online\/","title":{"rendered":"Visual Paradigm Online \u306b\u3088\u308bYourdon\u3068Coad\u56f3\u306e\u5165\u9580\u30ac\u30a4\u30c9"},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>Yourdon\u3068Coad\u56f3\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5de5\u5b66\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3067\u4f7f\u7528\u3055\u308c\u308b\u8996\u899a\u7684\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u9020\u3068\u52d5\u4f5c\u3092\u8868\u73fe\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u306e\u5165\u9580\u30ac\u30a4\u30c9\u3067\u306f\u3001Yourdon\u3068Coad\u56f3\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u3001\u4eba\u6c17\u306e\u3042\u308b\u30aa\u30f3\u30e9\u30a4\u30f3\u56f3\u8868\u4f5c\u6210\u30c4\u30fc\u30eb\u3067\u3042\u308bVisual Paradigm Online\u3092\u4f7f\u3063\u3066\u305d\u308c\u3089\u3092\u3069\u306e\u3088\u3046\u306b\u4f5c\u6210\u3059\u308b\u304b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>Yourdon\u3068Coad\u56f3\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n<p>Yourdon\u3068Coad\u56f3\u306f\u3001\u69cb\u9020\u5316\u30b7\u30b9\u30c6\u30e0\u5206\u6790\u8a2d\u8a08\u6cd5\uff08SSADM\uff09\u306e\u4e00\u90e8\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u9020\u3001\u30d7\u30ed\u30bb\u30b9\u3001\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306e\u30e2\u30c7\u30ea\u30f3\u30b0\u304a\u3088\u3073\u6587\u66f8\u5316\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u56f3\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u958b\u767a\u306e\u521d\u671f\u6bb5\u968e\u3067\u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u3092\u7406\u89e3\u3057\u3001\u4f1d\u3048\u308b\u305f\u3081\u306b\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p><img alt=\"Yourdon and Coad Diagram Software\" decoding=\"async\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/yourdon-and-coad-diagram-software.png\"\/><\/p>\n<p>Yourdon\u3068Coad\u56f3\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u6700\u3082\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u308b3\u3064\u306e\u7a2e\u985e\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3059\uff1a<\/p>\n<ol>\n<li><strong>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\uff08DFD\uff09\uff1a<\/strong>DFD\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u8868\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u3092\u64cd\u4f5c\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3068\u3001\u60c5\u5831\u304c\u683c\u7d0d\u3055\u308c\u308b\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\uff1a<\/strong>ERD\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3092\u8868\u3057\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\uff09\u3001\u305d\u306e\u5c5e\u6027\u3001\u304a\u3088\u3073\u305d\u308c\u3089\u306e\u9593\u306e\u95a2\u4fc2\u3092\u542b\u307f\u307e\u3059\u3002<\/li>\n<li><strong>\u72b6\u614b\u9077\u79fb\u56f3\uff08STD\uff09\uff1a<\/strong>STD\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u307e\u305f\u306f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u52d5\u4f5c\u3092\u3001\u305d\u306e\u53d6\u308a\u3046\u308b\u72b6\u614b\u3068\u305d\u308c\u3089\u306e\u9593\u306e\u9077\u79fb\u3092\u793a\u3059\u3053\u3068\u3067\u30e2\u30c7\u30eb\u5316\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>Visual Paradigm Online \u306e\u4f7f\u3044\u59cb\u3081<\/h2>\n<p>Yourdon\u3068Coad\u56f3\u3092\u4f5c\u6210\u3059\u308b\u524d\u306b\u3001Visual Paradigm Online \u306e\u4f7f\u3044\u65b9\u3092\u59cb\u3081\u307e\u3057\u3087\u3046\uff1a<\/p>\n<ol>\n<li><strong>Visual Paradigm Online \u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/strong> \u3053\u3061\u3089\u3078<a href=\"https:\/\/online.visual-paradigm.com\/\" rel=\"noopener\" target=\"_new\">Visual Paradigm Online<\/a> \u305d\u3057\u3066\u3001\u3059\u3067\u306b\u30a2\u30ab\u30a6\u30f3\u30c8\u304c\u306a\u3044\u5834\u5408\u306f\u7121\u6599\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u767b\u9332\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u30ed\u30b0\u30a4\u30f3\uff1a<\/strong> \u30ed\u30b0\u30a4\u30f3\u3059\u308b\u3068\u3001\u56f3\u306e\u4f5c\u6210\u3092\u958b\u59cb\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>Yourdon\u3068Coad\u56f3\u306e\u4f5c\u6210<\/h2>\n<h3>\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\uff08DFD\uff09<\/h3>\n<ol>\n<li><strong>\u65b0\u3057\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\uff1a<\/strong> \u300c\u65b0\u3057\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u300c\u56f3\u300d\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>DFD\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u9078\u629e\uff1a<\/strong> \u56f3\u8868\u30a8\u30c7\u30a3\u30bf\u3067\u300c\u65b0\u3057\u3044\u56f3\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u300d\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u8981\u7d20\u3092\u8ffd\u52a0\uff1a<\/strong> \u30d7\u30ed\u30bb\u30b9\u30dc\u30c3\u30af\u30b9\u3001\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3001\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u77e2\u5370\u3001\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u30ad\u30e3\u30f3\u30d0\u30b9\u4e0a\u306b\u30c9\u30e9\u30c3\u30b0\u30a2\u30f3\u30c9\u30c9\u30ed\u30c3\u30d7\u3057\u3066\u8ffd\u52a0\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u304c\u30b7\u30b9\u30c6\u30e0\u5185\u3067\u3069\u306e\u3088\u3046\u306b\u6d41\u308c\u3066\u3044\u308b\u304b\u3092\u8868\u3059\u305f\u3081\u306b\u305d\u308c\u3089\u3092\u63a5\u7d9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><strong>\u8981\u7d20\u306b\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u308b\uff1a<\/strong> 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href=\"http:\/\/online.visual-paradigm.com\">Visual Paradigm Online<\/a>\u3055\u307e\u3056\u307e\u306a<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/yourdon-and-coad-diagram-software\/\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3068\u4f8b<\/a>Yourdon\u304a\u3088\u3073Coad\u56f3\u3092\u5b66\u3073\u3001\u59cb\u3081\u3089\u308c\u308b\u3088\u3046\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8abf\u3079\u3001\u65e2\u5b58\u306e\u56f3\u3092\u7814\u7a76\u3057\u3066\u3001\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u7406\u89e3\u3057\u3001\u3053\u308c\u3089\u306e\u56f3\u3092\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u52b9\u679c\u7684\u306b\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002<img alt=\"\" class=\"alignnone size-full wp-image-20496\" decoding=\"async\" height=\"753\" loading=\"lazy\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bdf838918f.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bdf838918f.png 960w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bdf838918f-300x235.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bdf838918f-768x602.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bdf838918f-150x118.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bdf838918f-400x314.png 400w\" width=\"960\"\/><\/p>\n<p>Yourdon\u304a\u3088\u3073Coad\u56f3\u3092\u7fd2\u5f97\u3059\u308b\u306b\u306f\u5b9f\u8df5\u304c\u9375\u3067\u3042\u308b\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5b9f\u9a13\u3057\u3066\u81ea\u5206\u3060\u3051\u306e\u56f3\u3092\u4f5c\u6210\u3057\u3066\u3001\u7406\u89e3\u3092\u78ba\u5b9f\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u3053\u308c\u3067\u7d42\u308f\u308a\u3067\u3059\uff01\u3053\u308c\u3067Yourdon\u3068Coad\u56f3\u306e\u7d39\u4ecb\u3092\u53d7\u3051\u3001Visual Paradigm Online\u3092\u4f7f\u3063\u3066\u305d\u308c\u3089\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u305f\u3002\u697d\u3057\u3044\u56f3\u9762\u4f5c\u6210\u3092\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b Yourdon\u3068Coad\u56f3\u306f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5de5\u5b66\u304a\u3088\u3073\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3067\u4f7f\u7528\u3055\u308c\u308b\u8996\u899a\u7684\u30e2\u30c7\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u306e\u4e00\u7a2e\u3067\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u69cb\u9020\u3068\u52d5\u4f5c\u3092\u8868\u73fe\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u306e\u5165\u9580\u30ac\u30a4\u30c9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8996,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[42],"tags":[],"class_list":["post-8995","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-diagram","loop-entry","clr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Visual Paradigm Online \u306b\u3088\u308bYourdon\u3068Coad\u56f3\u306e\u5165\u9580\u30ac\u30a4\u30c9 - Visual Paradigm \u30d6\u30ed\u30b0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.visual-paradigm.com\/ja\/beginners-guide-to-yourdon-and-coad-diagrams-with-visual-paradigm-online\/\" \/>\n<meta property=\"og:locale\" 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