{"id":7340,"date":"2022-01-25T11:13:23","date_gmt":"2022-01-25T11:13:23","guid":{"rendered":"https:\/\/www.cybermedian.com\/ja\/?p=7340"},"modified":"2026-04-20T09:13:35","modified_gmt":"2026-04-20T09:13:35","slug":"%e4%be%8b%e3%82%92%e5%90%ab%e3%82%80%e3%83%87%e3%83%bc%e3%82%bf%e3%83%95%e3%83%ad%e3%83%bc%e5%9b%b3%e3%81%ae%e5%8c%85%e6%8b%ac%e7%9a%84%e3%81%aa%e3%82%ac%e3%82%a4%e3%83%89","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/ja\/data-flow-diagram-comprehensive-guide-with-examples\/","title":{"rendered":"\u4f8b\u3092\u542b\u3080\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u306e\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9"},"content":{"rendered":"<p id=\"9f1e\" class=\"graf graf--p 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graf-after--h4\">\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u3001\u4eba\u9593\u3001\u30b7\u30b9\u30c6\u30e0\u3001\u307e\u305f\u306f\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u304c\u51fa\u5165\u308a\u3059\u308b\u5834\u6240\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u30d7\u30ed\u30bb\u30b9\u306e\u89b3\u70b9\u304b\u3089\u3001\u79c1\u305f\u3061\u304c\u8abf\u67fb\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u5916\u90e8\u306b\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u4eba\u3005\u306f\u56f3\u306e\u7aef\u306b\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u63cf\u753b\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"140c\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/07nIDrqhp7Lk69u8W.png\" data-image-id=\"0*7nIDrqhp7Lk69u8W.png\" data-width=\"101\" data-height=\"51\" \/><\/figure>\n<h4 id=\"9b0f\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Process1\">\u30d7\u30ed\u30bb\u30b9<\/span><\/h4>\n<p id=\"d1bb\" class=\"graf graf--p graf-after--h4\">\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u306e\u64cd\u4f5c\u3068\u5909\u63db\u304c\u884c\u308f\u308c\u308b\u30d3\u30b8\u30cd\u30b9\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u307e\u305f\u306f\u6a5f\u80fd\u3067\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u5185\u3067\u30c7\u30fc\u30bf\u304c\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u8868\u3059\u305f\u3081\u306b\u3001\u3088\u308a\u8a73\u7d30\u306a\u30ec\u30d9\u30eb\u306b\u5206\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"f760\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0U6c36jcSQjAG7yPp.png\" data-image-id=\"0*U6c36jcSQjAG7yPp.png\" data-width=\"111\" data-height=\"71\" \/><\/figure>\n<h4 id=\"5248\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Data_Store\">\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2<\/span><\/h4>\n<p id=\"4fa5\" class=\"graf graf--p graf-after--h4\">\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u3063\u3066\u5fc5\u8981\u3068\u3055\u308c\u308b\u3001\u304a\u3088\u3073\/\u307e\u305f\u306f\u751f\u6210\u3055\u308c\u308b\u6c38\u7d9a\u30c7\u30fc\u30bf\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u8868\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u306e\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\uff1a\u30e1\u30f3\u30d0\u30fc\u30b7\u30c3\u30d7\u30d5\u30a9\u30fc\u30e0\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u306a\u3069\u3002<\/p>\n<figure id=\"3001\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/07Hd8EfrL-SVzMMqh.png\" data-image-id=\"0*7Hd8EfrL-SVzMMqh.png\" data-width=\"111\" data-height=\"41\" \/><\/figure>\n<h4 id=\"d6a8\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Data_Flow\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc<\/span><\/h4>\n<p id=\"547b\" class=\"graf graf--p graf-after--h4\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306f\u60c5\u5831\u306e\u30d5\u30ed\u30fc\u3092\u8868\u3057\u3001\u305d\u306e\u65b9\u5411\u306f\u30d5\u30ed\u30fc\u30b3\u30cd\u30af\u30bf\u306e\u7aef\u306b\u8868\u793a\u3055\u308c\u308b\u77e2\u5370\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"1971\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0l3117Oi4gW5QW29x.png\" data-image-id=\"0*l3117Oi4gW5QW29x.png\" data-width=\"136\" data-height=\"88\" \/><\/figure>\n<h4 id=\"7870\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Different_DFD_Notations\">\u3055\u307e\u3056\u307e\u306aDFD\u8868\u8a18<\/span><\/h4>\n<p id=\"eb5f\" class=\"graf graf--p graf-after--h4\">\u3044\u304f\u3064\u304b\u306e\u7570\u306a\u308b\u8868\u8a18\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol class=\"postList\">\n<li id=\"486e\" class=\"graf graf--li graf-after--p\">\u30e8\u30fc\u30c9\u30f3\u304a\u3088\u3073\/\u307e\u305f\u306f\u30c7\u30de\u30eb\u30b3\u3001<\/li>\n<li id=\"6727\" class=\"graf graf--li graf-after--li\">Gane\uff06Sarson\u3001<\/li>\n<li id=\"d81d\" class=\"graf graf--li graf-after--li\">SSADM\uff08\u69cb\u9020\u5316\u30b7\u30b9\u30c6\u30e0\u5206\u6790\u304a\u3088\u3073\u8a2d\u8a08\u65b9\u6cd5\u8ad6\uff09\u3001\u304a\u3088\u3073<\/li>\n<li id=\"3741\" class=\"graf graf--li graf-after--li\">\u7d71\u4e00\u30e2\u30c7\u30ea\u30f3\u30b0\u8a00\u8a9e\u306b\u306f\u3001\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"f32f\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0W691GG6rn94caqFZ.gif\" data-image-id=\"0*W691GG6rn94caqFZ.gif\" data-width=\"663\" data-height=\"456\" data-is-featured=\"true\" \/><\/figure>\n<h3 id=\"9ffa\" class=\"graf graf--h3 graf-after--figure\"><span id=\"How_to_Draw_DFD_with_Multiple_Context_Levels\">\u8907\u6570\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30ec\u30d9\u30eb\u3067DFD\u3092\u63cf\u753b\u3059\u308b\u65b9\u6cd5\u306f\uff1f<\/span><\/h3>\n<p id=\"6a32\" class=\"graf graf--p graf-after--h3\">\u6a5f\u80fd\u5206\u89e3\u306f\u3001\u8907\u96d1\u306a\u30d7\u30ed\u30bb\u30b9\u3092\u53d6\u308a\u3001\u305d\u308c\u3092\u3088\u308a\u5c0f\u3055\u304f\u5358\u7d14\u306a\u90e8\u5206\u306b\u5206\u89e3\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u3092\u3055\u3089\u306b\u7d30\u304b\u304f\u5206\u985e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u306e\u5206\u89e3\u3055\u308c\u305f\u90e8\u5206\u306e\u6700\u4f4e\u30ec\u30d9\u30eb\u306b\u5230\u9054\u3059\u308b\u3068\u3001\u958b\u767a\u8005\u306f\u305d\u308c\u3089\u306e\u95a2\u6570\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u958b\u59cb\u3059\u308b\u65b9\u6cd5\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6700\u3082\u5358\u7d14\u306a\u6a5f\u80fd\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u308b\u305f\u3081\u3001\u958b\u767a\u8005\u306f\u958b\u767a\u4e2d\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30b7\u30b9\u30c6\u30e0\u3067\u4f5c\u696d\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306e\u958b\u767a\u3068\u30c6\u30b9\u30c8\u306f\u306f\u308b\u304b\u306b\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p id=\"7491\" class=\"graf graf--p graf-after--p\">\u4f5c\u6210\u8005\uff1aVisual Paradigm\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/enterprise\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/enterprise\/\">Enterprise<\/a>\u3001\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/professional\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/professional\/\">Professional<\/a>\u3001\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/standard\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/standard\/\">Standard<\/a>\u3001\u00a0\u00a0<a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/www.visual-paradigm.com\/editions\/modeler\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/editions\/modeler\/\">Modeler<\/a><\/p>\n<h3 id=\"97ee\" class=\"graf graf--h3 graf-after--p\"><span id=\"Creating_Context_Level_DFD\">\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30ec\u30d9\u30eb\u306eDFD\u306e\u4f5c\u6210<\/span><\/h3>\n<p id=\"e436\" class=\"graf graf--p graf-after--h3\">\u30ec\u30d9\u30eb0DFD\u3068\u3082\u547c\u3070\u308c\u308b\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30ec\u30d9\u30ebDFD\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u5358\u4e00\u306e\u30d7\u30ed\u30bb\u30b9\u3068\u898b\u306a\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u3068\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u5f37\u8abf\u3057\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8DFD\u3092\u63cf\u753b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ol class=\"postList\">\n<li id=\"7a82\" class=\"graf graf--li graf-after--p\">DFD\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001\u30c4\u30fc\u30eb\u30d0\u30fc\u304b\u3089[\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0]&gt; [\u65b0\u898f]\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li id=\"3810\" class=\"graf graf--li graf-after--li\">\u300c\u65b0\u898f\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u300d\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u3001\u300c\u00a0<em class=\"markup--em markup--li-em\">\u30c7\u30fc\u30bf\u30fb\u30d5\u30ed\u30fc\u30fb\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0<\/em>\u300d\u3092\u9078\u629e\u3057\u3001 \u00a0\u300c\u6b21\u3078\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<li id=\"aca4\" class=\"graf graf--li graf-after--li\"><em class=\"markup--em markup--li-em\">\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u540d\u3068\u3057\u3066\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0<\/em>\u3092\u5165\u529b\u3057\u00a0\u00a0\u3001[OK]\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<li id=\"cf4d\" class=\"graf graf--li graf-after--li\"><em class=\"markup--em markup--li-em\">\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306b\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0<\/em>\u3068\u3044\u3046\u540d\u524d\u3092\u00a0\u4ed8\u3051\u307e\u3059\u3002<\/li>\n<li id=\"4020\" class=\"graf graf--li graf-after--li\">\u30e1\u30a4\u30f3\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<em class=\"markup--em markup--li-em\">\u30d7\u30ed\u30bb\u30b9<\/em>\u00a0\u3092\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u30c4\u30fc\u30eb\u30d0\u30fc\u304b\u3089\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306b\u30c9\u30e9\u30c3\u30b0\u00a0\u3057\u307e\u3059\u3002<em class=\"markup--em markup--li-em\">OnlineBookstore<\/em>\u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u00a0\u307e\u3059\u3002\u8907\u6570\u30ec\u30d9\u30eb\u306eDFD\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u4f8b\u3068\u3057\u3066\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u66f8\u5e97\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"576e\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0n2D1H99oy9i7n6O9.png\" data-image-id=\"0*n2D1H99oy9i7n6O9.png\" data-width=\"226\" data-height=\"161\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"8a65\" class=\"graf graf--li graf-after--figure\">\u3054\u60f3\u50cf\u306e\u3068\u304a\u308a\u3001\u9867\u5ba2\u306f\u30b7\u30b9\u30c6\u30e0\u3092\u901a\u3058\u3066\u672c\u3092\u6ce8\u6587\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306b\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u8ffd\u52a0\u3057\u3001\u00a0\u00a0<em class=\"markup--em markup--li-em\">Customer<\/em>\u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u307e\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u306e\u4f5c\u6210\u3068\u540c\u69d8\u306b\u3001\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u30c4\u30fc\u30eb\u30d0\u30fc\u304b\u3089\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306b\u30c9\u30e9\u30c3\u30b0\u3059\u308b\u3053\u3068\u3067\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"dbcc\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/06QHTuob5rOAMuya.png\" data-image-id=\"0*6QHTuob5rOAMuya_.png\" data-width=\"91\" data-height=\"41\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"d3fb\" class=\"graf graf--li graf-after--figure\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u3055\u307e\u3056\u307e\u306a\u90e8\u5206\u9593\u306e\u30c7\u30fc\u30bf\u306e\u79fb\u52d5\u3092\u8868\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u300c\u6ce8\u6587\u300d\u3068\u306f\u3001\u9867\u5ba2\u304c\u4f5c\u6210\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u306b\u9001\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u00a0<em class=\"markup--em markup--li-em\">\u9867\u5ba2<\/em>\u00a0\u304b\u3089\u00a0<em class=\"markup--em markup--li-em\">\u30aa\u30f3\u30e9\u30a4\u30f3\u66f8\u5e97<\/em>\u3078\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u30de\u30a6\u30b9\u30dd\u30a4\u30f3\u30bf\u3092Customer\u306e\u4e0a\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002[\u30ea\u30bd\u30fc\u30b9\u30ab\u30bf\u30ed\u30b0]\u30dc\u30bf\u30f3\u3092\u30c9\u30e9\u30c3\u30b0\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"5a76\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/03BC09QP2U96GquPX.png\" data-image-id=\"0*3BC09QP2U96GquPX.png\" data-width=\"215\" data-height=\"76\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"4341\" class=\"graf graf--li graf-after--figure\"><em class=\"markup--em markup--li-em\">\u30aa\u30f3\u30e9\u30a4\u30f3\u66f8\u5e97<\/em>\u3067\u30de\u30a6\u30b9\u30dc\u30bf\u30f3\u3092\u00a0\u00a0\u96e2\u3057\u3001\u30ea\u30bd\u30fc\u30b9\u30ab\u30bf\u30ed\u30b0\u304b\u3089[\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc]\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u30b3\u30cd\u30af\u30bf\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"8e38\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0oztuDWf-lLiSFtc3.png\" data-image-id=\"0*oztuDWf-lLiSFtc3.png\" data-width=\"291\" data-height=\"242\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"5061\" class=\"graf graf--li graf-after--figure\"><em class=\"markup--em markup--li-em\">order<\/em>\u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u00a0\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"13dd\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0eAvpOqPxRvFHmiAD.png\" data-image-id=\"0*eAvpOqPxRvFHmiAD.png\" data-width=\"341\" data-height=\"71\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"f92a\" class=\"graf graf--li graf-after--figure\">\u66f8\u5e97\u306f\u3064\u3044\u306b\u672c\u3092\u304a\u5ba2\u69d8\u306b\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002\u30ea\u30bd\u30fc\u30b9\u30ab\u30bf\u30ed\u30b0\u3092\u5229\u7528\u3057\u3066\u3001\u00a0<em class=\"markup--em markup--li-em\">\u30aa\u30f3\u30e9\u30a4\u30f3\u66f8\u5e97<\/em>\u00a0\u304b\u3089\u00a0<em class=\"markup--em markup--li-em\">\u9867\u5ba2<\/em>\u3078\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u30d5\u30ed\u30fc\u00a0<em class=\"markup--em markup--li-em\">\u30aa\u30fc\u30c0\u30fc\u30d6\u30c3\u30af<\/em>\u306b\u540d\u524d\u3092\u4ed8\u3051\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"1284\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0Tv-rIjlNUWtgxFlv.png\" data-image-id=\"0*Tv-rIjlNUWtgxFlv.png\" data-width=\"341\" data-height=\"71\" \/><\/figure>\n<ol class=\"postList\">\n<li id=\"6655\" class=\"graf graf--li graf-after--figure\">\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u306f\u4ee5\u4e0a\u3067\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u3092\u5358\u4e00\u306e\u30d7\u30ed\u30bb\u30b9\u3068\u898b\u306a\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306eDFD\u30ec\u30d9\u30eb\u3067\u4f5c\u6210\u3055\u308c\u308b\u30d7\u30ed\u30bb\u30b9\u5f62\u72b6\u306f1\u3064\u3060\u3051\u3067\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u00a0<em class=\"markup--em markup--li-em\">\u30aa\u30f3\u30e9\u30a4\u30f3\u66f8\u5e97<\/em>\u306e\u00a0\u30d7\u30ed\u30bb\u30b9\u3092\u5206\u89e3\u3057\u3001\u305d\u306e\u8a73\u7d30\u3092\u63cf\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3 id=\"c44f\" class=\"graf graf--h3 graf-after--li\"><span id=\"Creating_Level_1_DFD\">\u30ec\u30d9\u30eb1DFD\u306e\u4f5c\u6210<\/span><\/h3>\n<p id=\"97a4\" class=\"graf graf--p graf-after--h3\">\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30ec\u30d9\u30eb1\u306eDFD\u3092\u63cf\u753b\u3057\u3066\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u66f8\u5e97\u306e\u4e3b\u306a\u6a5f\u80fd\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<ol class=\"postList\">\n<li id=\"a3d3\" class=\"graf graf--li graf-after--p\"><em class=\"markup--em markup--li-em\">\u30aa\u30f3\u30e9\u30a4\u30f3\u66f8\u5e97<\/em>\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u00a0\u00a0\u3001\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u30e1\u30cb\u30e5\u30fc\u304b\u3089[\u5206\u89e3]\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure id=\"c779\" class=\"graf graf--figure graf-after--li\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0s2so6Ahn1ZTdhq6N.png\" data-image-id=\"0*s2so6Ahn1ZTdhq6N.png\" data-width=\"360\" data-height=\"143\" \/><\/figure>\n<p id=\"2186\" class=\"graf graf--p graf-after--figure\">2.\u9078\u629e\u3057\u305f\u30d7\u30ed\u30bb\u30b9\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u304a\u3088\u3073\/\u307e\u305f\u306f\u5916\u90e8\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306f\u3001\u30ec\u30d9\u30eb1DFD\u3067\u53c2\u7167\u3055\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u305d\u308c\u3089\u3092\u65b0\u3057\u3044\u56f3\u306b\u8ffd\u52a0\u3059\u308b\u3088\u3046\u306b\u6c42\u3081\u3089\u308c\u305f\u3089\u3001[\u306f\u3044]\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002\u65b0\u3057\u3044DFD\u306f\u3001\u6700\u521d\u306f\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u56f3\u3068\u975e\u5e38\u306b\u3088\u304f\u4f3c\u3066\u3044\u308b\u306f\u305a\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30e1\u30a4\u30f3\u30d7\u30ed\u30bb\u30b9\uff08\u3053\u306e\u65b0\u3057\u3044DFD\u304c\u5206\u89e3\u3055\u308c\u308b\uff09\u304c\u306a\u304f\u306a\u308a\u3001\u7a7a\u767d\u30b9\u30da\u30fc\u30b9\uff08\u8a73\u7d30\uff09\u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u305f\u3053\u3068\u3092\u9664\u3044\u3066\u3001\u3059\u3079\u3066\u306e\u8981\u7d20\u306f\u5909\u66f4\u3055\u308c\u306a\u3044\u307e\u307e\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p id=\"0c9d\" class=\"graf graf--p graf-after--p\">3.\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306e\u80cc\u666f\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u30e1\u30cb\u30e5\u30fc\u304b\u3089[\u540d\u524d\u306e\u5909\u66f4&#8230;]\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u30c0\u30a4\u30a2\u30b0\u30e9\u30e0\u306b\u00a0<em class=\"markup--em markup--p-em\">\u30ec\u30d9\u30eb1DFD<\/em>\u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u307e\u3059\u3002<\/p>\n<p id=\"4ab2\" class=\"graf graf--p graf-after--p\">4.\u9867\u5ba2\u306e\u6ce8\u6587\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u308c\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<em class=\"markup--em markup--p-em\">\u30d7\u30ed\u30bb\u30b9ReceiveOrder<\/em>\u00a0\u3068\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u00a0<em class=\"markup--em markup--p-em\">Orders<\/em>\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u00a0\u3002\u9593\u306b\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"dd47\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/09RA6eQStzvtLobIL.png\" data-image-id=\"0*9RA6eQStzvtLobIL.png\" data-width=\"497\" data-height=\"75\" \/><\/figure>\n<p id=\"ec5b\" class=\"graf graf--p graf-after--figure\">5.\u6ce8\u6587\u304c\u7121\u52b9\u306a\u5834\u5408\u306f\u3001\u9867\u5ba2\u306b\u9023\u7d61\u3057\u3066\u9867\u5ba2\u306e\u30cb\u30fc\u30ba\u3092\u660e\u78ba\u306b\u3059\u308b\u3053\u3068\u3092\u542b\u3080\u5225\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5fc5\u8981\u3067\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u00a0<em class=\"markup--em markup--p-em\">HandleInvalidOrder<\/em>\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u56f3\u5f62\u9593\u306b\u9069\u5207\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u53cc\u65b9\u5411\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30c0\u30a4\u30a2\u30ed\u30b0\u30d5\u30ed\u30fc\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"c851\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0KqMHntEa7_RpEXQx.png\" data-image-id=\"0*KqMHntEa7_RpEXQx.png\" data-width=\"494\" data-height=\"211\" \/><\/figure>\n<p id=\"9ea7\" class=\"graf graf--p graf-after--figure\">6.\u51fa\u8377\u3092\u51e6\u7406\u3059\u308b\u5225\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<em class=\"markup--em markup--p-em\">\u51fa\u8377\u6ce8\u6587<\/em>\u00a0\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3057\u00a0\u307e\u3059\u3002\u3053\u3053\u3067\u3082\u3001\u5f62\u72b6\u9593\u306b\u9069\u5207\u306a\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"db29\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0v8gBllrH0AXM5sCq.png\" data-image-id=\"0*v8gBllrH0AXM5sCq.png\" data-width=\"491\" data-height=\"341\" \/><\/figure>\n<p id=\"fc73\" class=\"graf graf--p graf-after--figure\">\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306f\u4ee5\u4e0a\u3067\u3059\u3002\u95a2\u5fc3\u306e\u3042\u308b\u9818\u57df\u306b\u5fdc\u3058\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u3088\u308a\u8a73\u7d30\u306b\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u3055\u3089\u306b\u30ec\u30d9\u30eb\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u3054\u60f3\u50cf\u306e\u3068\u304a\u308a\u3001\u00a0<em class=\"markup--em markup--p-em\">\u51fa\u8377\u6ce8\u6587<\/em>\u00a0\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u68b1\u5305\u3001\u8acb\u6c42\u66f8\u306e\u4f5c\u6210\u3001\u914d\u9054\u306e\u624b\u914d\u306a\u3069\u3001\u3088\u308a\u5c0f\u3055\u306a\u6a5f\u80fd\u5358\u4f4d\uff08\u30d7\u30ed\u30bb\u30b9\uff09\u306b\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4 id=\"3406\" class=\"graf graf--h4 graf-after--p\"><span id=\"Try_it_Yourself_with_Visual_Paradigm_Online\"><a class=\"markup--anchor markup--h4-anchor\" href=\"http:\/\/online.visual-paradigm.com\/\" target=\"_blank\" rel=\"noopener\" data-href=\"http:\/\/online.visual-paradigm.com\">\u30d3\u30b8\u30e5\u30a2\u30eb\u30d1\u30e9\u30c0\u30a4\u30e0\u30aa\u30f3\u30e9\u30a4\u30f3<\/a>\u3067\u81ea\u5206\u3067\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u00a0<\/span><\/h4>\n<ul class=\"postList\">\n<li id=\"21d0\" class=\"graf graf--li graf-after--h4\">\u30aa\u30f3\u30e9\u30a4\u30f3\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u7de8\u96c6\u53ef\u80fd\u306a\u7121\u6599\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u306e\u4f8b\u3068\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\uff1a\u30d3\u30b8\u30e5\u30a2\u30eb\u30d1\u30e9\u30c0\u30a4\u30e0\u30aa\u30f3\u30e9\u30a4\u30f3\u3002<\/li>\n<li id=\"3ce1\" class=\"graf graf--li graf-after--li\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u958b\u59cb\u70b9\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3001\u72ec\u81ea\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p id=\"54f6\" class=\"graf graf--p graf-after--li\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/securities-trading-platform\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/securities-trading-platform\/\">\u8a3c\u5238\u53d6\u5f15\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/a><\/p>\n<figure id=\"a13c\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0rbzBIwWHuRH-KJOI.png\" data-image-id=\"0*rbzBIwWHuRH-KJOI.png\" data-width=\"653\" data-height=\"470\" \/><\/figure>\n<p id=\"23ec\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/food-ordering-system\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/food-ordering-system\/\">\u98df\u54c1\u6ce8\u6587\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<figure id=\"e2c6\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0300P6odV-nUo_k_t.png\" data-image-id=\"0*300P6odV-nUo_k_t.png\" data-width=\"605\" data-height=\"423\" \/><\/figure>\n<p id=\"24ed\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/customer-service-system-railway-company\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/customer-service-system-railway-company\/\">\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30fc\u30d3\u30b9\u30b7\u30b9\u30c6\u30e0\uff08\u9244\u9053\u4f1a\u793e\uff09<\/a><\/p>\n<figure id=\"5142\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0imjok1ph4eHqkic.png\" data-image-id=\"0*imjok1ph4eHqkic_.png\" data-width=\"757\" data-height=\"531\" \/><\/figure>\n<p id=\"181a\" class=\"graf graf--p graf-after--figure\"><a class=\"markup--anchor markup--p-anchor\" href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/supermarket-app\/\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/online.visual-paradigm.com\/diagram-examples\/data-flow-diagram\/supermarket-app\/\">\u30b9\u30fc\u30d1\u30fc\u30de\u30fc\u30b1\u30c3\u30c8\u30a2\u30d7\u30ea<\/a><\/p>\n<figure id=\"5feb\" class=\"graf graf--figure graf-after--p\"><img decoding=\"async\" class=\"graf-image\" src=\"https:\/\/www.cybermedian.com\/ja\/wp-content\/uploads\/sites\/7\/2022\/02\/0oxM6uHr-GqgHzBo5.png\" data-image-id=\"0*oxM6uHr-GqgHzBo5.png\" data-width=\"716\" data-height=\"561\" \/><\/figure>\n<h4 id=\"2511\" class=\"graf graf--h4 graf-after--figure\"><span id=\"Other_Recommended_DFD_Articles\">\u305d\u306e\u4ed6\u306e\u63a8\u5968DFD\u8a18\u4e8b<\/span><\/h4>\n<ul class=\"postList\">\n<li id=\"d7d0\" class=\"graf graf--li graf-after--h4\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-dfd.jsp\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-dfd.jsp\">\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u56f3\uff08DFD\uff09\u3068\u306f\u4f55\u3067\u3059\u304b\uff1fDFD\u3092\u63cf\u753b\u3059\u308b\u65b9\u6cd5\u306f\uff1f<\/a><\/li>\n<li id=\"634e\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/writingeffectiveusecase.jsp\" target=\"_blank\" rel=\"noopener\" data-href=\"https:\/\/www.visual-paradigm.com\/tutorials\/writingeffectiveusecase.jsp\">\u52b9\u679c\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u306f\uff1f<\/a><\/li>\n<li id=\"6236\" class=\"graf graf--li graf-after--li\"><a class=\"markup--anchor markup--li-anchor\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/data-flow-diagram-example-food-ordering-system.jsp\" target=\"_blank\" rel=\"noopener\" 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