{"id":3143,"date":"2026-02-24T15:43:28","date_gmt":"2026-02-24T07:43:28","guid":{"rendered":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/"},"modified":"2026-02-24T15:43:28","modified_gmt":"2026-02-24T07:43:28","slug":"a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2","status":"publish","type":"post","link":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Yourdon v\u00e0 DeMarco trong Visual Paradigm"},"content":{"rendered":"<h2>T\u1ed1i \u01b0u h\u00f3a ph\u00e2n t\u00edch c\u1ea5u tr\u00fac v\u1edbi h\u1ed7 tr\u1ee3 t\u00edch h\u1ee3p m\u1edbi<\/h2>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/447\/449_analysisdiag.html\">Ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ea5u tr\u00fac<\/a>v\u1eabn l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m v\u00e0<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/process-map-designer\/communication-process\/\">m\u00f4 h\u00ecnh h\u00f3a quy tr\u00ecnh kinh doanh<\/a>. Trong s\u1ed1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u00f3 s\u1eb5n, ph\u01b0\u01a1ng ph\u00e1p<strong>Yourdon v\u00e0 DeMarco<\/strong>k\u00fd hi\u1ec7u n\u1ed5i b\u1eadt nh\u1edd v\u00e0o tr\u1ecdng t\u00e2m v\u00e0o vi\u1ec7c tr\u1ef1c quan h\u00f3a c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n qua m\u1ed9t h\u1ec7 th\u1ed1ng.<a href=\"https:\/\/www.visual-paradigm.com\/features\/visual-modeling-tool\/\">Visual Paradigm<\/a>\u0111\u00e3 gi\u1edbi thi\u1ec7u m\u1ed9t n\u00e2ng c\u1ea5p l\u1edbn cho n\u1ec1n t\u1ea3ng Desktop c\u1ee7a m\u00ecnh: h\u1ed7 tr\u1ee3 chuy\u00ean bi\u1ec7t cho S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Yourdon v\u00e0 DeMarco (DFD).<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png\"\/><\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch c\u1eadp nh\u1eadt n\u00e0y thay \u0111\u1ed5i tr\u1ea3i nghi\u1ec7m m\u00f4 h\u00ecnh h\u00f3a, gi\u00fap c\u00e1c nh\u00e0 ph\u00e2n t\u00edch r\u1eddi kh\u1ecfi vi\u1ec7c \u0111\u1ecbnh d\u1ea1ng th\u1ee7 c\u00f4ng v\u00e0 t\u1eadp trung v\u00e0o logic h\u1ec7 th\u1ed1ng. Ch\u00fang t\u00f4i s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh, h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t \u0111\u1ec3 t\u1eadn d\u1ee5ng hi\u1ec7u qu\u1ea3 t\u00ednh n\u0103ng m\u1edbi n\u00e0y.<\/p>\n<h2>C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh<\/h2>\n<p>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 \u0111\u1ecbnh ngh\u0129a ph\u01b0\u01a1ng ph\u00e1p Yourdon v\u00e0 DeMarco, gi\u00fap ph\u00e2n bi\u1ec7t n\u00f3 v\u1edbi c\u00e1c k\u00fd hi\u1ec7u kh\u00e1c nh\u01b0 Gane &amp; Sarson.<\/p>\n<ul>\n<li><strong>Quy tr\u00ecnh (Bong b\u00f3ng ch\u1ee9c n\u0103ng):<\/strong>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng h\u00ecnh tr\u00f2n. Ch\u00fang chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o th\u00e0nh d\u1eef li\u1ec7u \u0111\u1ea7u ra. Trong k\u00fd hi\u1ec7u Yourdon-DeMarco, h\u00ecnh tr\u00f2n l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng n\u1ed5i b\u1eadt v\u00e0 kh\u00e1c bi\u1ec7t v\u1edbi c\u00e1c h\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c k\u00fd hi\u1ec7u kh\u00e1c.<\/li>\n<li><strong>Lu\u1ed3ng d\u1eef li\u1ec7u:<\/strong>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c m\u0169i t\u00ean cong ho\u1eb7c th\u1eb3ng. Ch\u00fang m\u00f4 t\u1ea3 h\u00e0nh tr\u00ecnh m\u00e0 d\u1eef li\u1ec7u \u0111i qua gi\u1eefa c\u00e1c quy tr\u00ecnh, kho l\u01b0u tr\u1eef v\u00e0 c\u00e1c th\u1ef1c th\u1ec3.<\/li>\n<li><strong><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/3563\/3564\/85384_modelingdata.html\">Kho d\u1eef li\u1ec7u<\/a>:<\/strong>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c \u0111\u01b0\u1eddng song song (h\u00ecnh ch\u1eef nh\u1eadt h\u1edf hai \u0111\u1ea7u). Ch\u00fang ch\u1ec9 ra n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u0111\u1ec3 truy xu\u1ea5t sau n\u00e0y.<\/li>\n<li><strong>C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i (\u0110i\u1ec3m k\u1ebft th\u00fac):<\/strong>\u0110\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt. Ch\u00fang l\u00e0 ngu\u1ed3n ho\u1eb7c \u0111\u00edch c\u1ee7a d\u1eef li\u1ec7u n\u1eb1m ngo\u00e0i ranh gi\u1edbi c\u1ee7a h\u1ec7 th\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a.<\/li>\n<\/ul>\n<h2>Th\u00e1ch th\u1ee9c c\u1ee7a m\u00f4 h\u00ecnh h\u00f3a kh\u00f4ng chu\u1ea9n h\u00f3a<\/h2>\n<p>Tr\u01b0\u1edbc khi c\u1eadp nh\u1eadt n\u00e0y, c\u00e1c chuy\u00ean gia tu\u00e2n theo chu\u1ea9n Yourdon-DeMarco ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi s\u1ef1 kh\u00f3 kh\u0103n \u0111\u00e1ng k\u1ec3. M\u1eb7c d\u00f9 Visual Paradigm v\u1ed1n r\u1ea5t linh ho\u1ea1t, ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh c\u00e1c h\u00ecnh d\u1ea1ng th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 b\u1eaft ch\u01b0\u1edbc k\u00fd hi\u1ec7u n\u00e0y.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn ba v\u1ea5n \u0111\u1ec1 ch\u00ednh:<\/p>\n<ol>\n<li><strong>Kh\u00f3 kh\u0103n tu\u00e2n th\u1ee7:<\/strong>Ng\u01b0\u1eddi d\u00f9ng d\u00e0nh qu\u00e1 nhi\u1ec1u th\u1eddi gian ki\u1ec3m tra th\u1ee7 c\u00f4ng c\u00fa ph\u00e1p k\u00fd hi\u1ec7u thay v\u00ec ph\u00e2n t\u00edch lu\u1ed3ng d\u1eef li\u1ec7u.<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3 tr\u00ecnh b\u00e0y k\u00e9m:<\/strong>Th\u1eddi gian b\u1ecb l\u00e3ng ph\u00ed v\u00e0o vi\u1ec7c c\u0103n ch\u1ec9nh v\u00e0 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc th\u1ee7 c\u00f4ng c\u00e1c h\u00ecnh d\u1ea1ng th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 tr\u00f4ng gi\u1ed1ng c\u00e1c th\u00e0nh ph\u1ea7n DFD chu\u1ea9n.<\/li>\n<li><strong>S\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n trong m\u00f4 h\u00ecnh:<\/strong> C\u00e1c nh\u00f3m l\u1edbn g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c duy tr\u00ec v\u1ebb ngo\u00e0i v\u00e0 c\u1ea3m gi\u00e1c \u0111\u1ed3ng nh\u1ea5t, d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng hi\u1ec3u nh\u1ea7m v\u1ec1 <a href=\"https:\/\/www.visual-paradigm.com\/features\/dodaf-tool\/\">ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng<\/a>.<\/li>\n<\/ol>\n<h2>H\u01b0\u1edbng d\u1eabn: T\u1ea1o s\u01a1 \u0111\u1ed3 DFD c\u1ee7a Yourdon v\u00e0 DeMarco<\/h2>\n<p>Visual Paradigm \u0111\u00e3 t\u00edch h\u1ee3p k\u00fd hi\u1ec7u n\u00e0y tr\u1ef1c ti\u1ebfp v\u00e0o quy tr\u00ecnh t\u1ea1o s\u01a1 \u0111\u1ed3. L\u00e0m theo c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 t\u1ea1o ngay l\u1eadp t\u1ee9c c\u00e1c s\u01a1 \u0111\u1ed3 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n.<\/p>\n<h3>B\u01b0\u1edbc 1: Kh\u1edfi t\u1ea1o s\u01a1 \u0111\u1ed3<\/h3>\n<p>Vi\u1ec7c truy c\u1eadp t\u00ednh n\u0103ng m\u1edbi r\u1ea5t \u0111\u01a1n gi\u1ea3n trong giao di\u1ec7n Desktop c\u1ee7a Visual Paradigm:<\/p>\n<ol>\n<li>\u0110i \u0111\u1ebfn thanh c\u00f4ng c\u1ee5 tr\u00ean c\u00f9ng v\u00e0 nh\u1ea5p v\u00e0o <strong>S\u01a1 \u0111\u1ed3<\/strong>menu.<\/li>\n<li>Ch\u1ecdn <strong>M\u1edbi<\/strong>\u0111\u1ec3 m\u1edf th\u01b0 vi\u1ec7n s\u01a1 \u0111\u1ed3.<\/li>\n<li>Trong thanh t\u00ecm ki\u1ebfm, g\u00f5 <strong>Yourdon DeMarco<\/strong>.<\/li>\n<li>Ch\u1ecdn m\u1eabu \u0111\u1ec3 kh\u1edfi ch\u1ea1y b\u1ea3ng m\u00f4 h\u00ecnh c\u1ee5 th\u1ec3.<\/li>\n<\/ol>\n<h3>B\u01b0\u1edbc 2: S\u1eed d\u1ee5ng b\u1ea3ng k\u00e9o v\u00e0 th\u1ea3<\/h3>\n<p>Sau khi b\u1ea3ng v\u1ebd \u0111\u01b0\u1ee3c m\u1edf, b\u1ea1n s\u1ebd nh\u1eadn th\u1ea5y thanh c\u00f4ng c\u1ee5 hi\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1n \u0111\u1ea7y c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3 c\u1ee7a Yourdon-DeMarco. B\u1ea1n kh\u00f4ng c\u00f2n c\u1ea7n ph\u1ea3i t\u00ecm ki\u1ebfm c\u00e1c h\u00ecnh tr\u00f2n hay \u0111\u01b0\u1eddng th\u1eb3ng th\u00f4ng th\u01b0\u1eddng n\u1eefa.<\/p>\n<ul>\n<li><strong>K\u00e9o<\/strong>m\u1ed9t qu\u00e1 tr\u00ecnh (h\u00ecnh tr\u00f2n) l\u00ean b\u1ea3ng v\u1ebd \u0111\u1ec3 bi\u1ec3u di\u1ec5n m\u1ed9t ch\u1ee9c n\u0103ng h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>Th\u1ea3<\/strong>c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi h\u1ec7 th\u1ed1ng.<\/li>\n<li>S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 k\u1ebft n\u1ed1i \u0111\u1ec3 v\u1ebd lu\u1ed3ng d\u1eef li\u1ec7u ngay l\u1eadp t\u1ee9c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n m\u00e0 kh\u00f4ng c\u1ea7n c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng l\u1ea1i.<\/li>\n<\/ul>\n<h2>V\u00ed d\u1ee5: Tr\u01b0\u1edbc v\u00e0 Sau<\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a b\u1ea3n c\u1eadp nh\u1eadt n\u00e0y, h\u00e3y xem x\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng li\u00ean quan \u0111\u1ebfn m\u1ed9t <strong>H\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng<\/strong>.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng: Tr\u1ea1ng th\u00e1i \u201cTr\u01b0\u1edbc\u201d (C\u00f4ng c\u1ee5 th\u00f4ng th\u01b0\u1eddng)<\/h3>\n<p><em>Quy tr\u00ecnh l\u00e0m vi\u1ec7c:<\/em> M\u1ed9t chuy\u00ean gia ph\u00e2n t\u00edch ch\u1ecdn th\u1ee7 c\u00f4ng h\u00ecnh tr\u00f2n cho &#8220;Ki\u1ec3m tra t\u1ed3n kho&#8221;. H\u1ecd ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh th\u1ee7 c\u00f4ng c\u0103n ch\u1ec9nh v\u0103n b\u1ea3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 n\u1eb1m \u1edf trung t\u00e2m. \u0110\u1ec3 th\u00eam m\u1ed9t kho d\u1eef li\u1ec7u, h\u1ecd v\u1ebd hai \u0111\u01b0\u1eddng song song th\u1ee7 c\u00f4ng ho\u1eb7c nh\u00f3m hai \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1eddng th\u1eb3ng. N\u1ebfu s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc, c\u00e1c \u0111\u01b0\u1eddng nh\u00f3m th\u01b0\u1eddng b\u1ecb l\u1ec7ch, \u0111\u00f2i h\u1ecfi ph\u1ea3i d\u1ecdn d\u1eb9p th\u00eam.<\/p>\n<h3>T\u00ecnh hu\u1ed1ng: Tr\u1ea1ng th\u00e1i &#8220;Sau&#8221; (H\u1ed7 tr\u1ee3 chuy\u00ean bi\u1ec7t)<\/h3>\n<p><em>Quy tr\u00ecnh l\u00e0m vi\u1ec7c:<\/em> Chuy\u00ean gia ph\u00e2n t\u00edch ch\u1ecdn c\u00f4ng c\u1ee5 &#8220;Quy tr\u00ecnh&#8221; t\u1eeb b\u1ea3ng Yourdon-DeMarco. H\u1ecd nh\u1ea5p m\u1ed9t l\u1ea7n \u0111\u1ec3 \u0111\u1eb7t bong b\u00f3ng &#8220;Ki\u1ec3m tra t\u1ed3n kho&#8221;. V\u0103n b\u1ea3n \u0111\u01b0\u1ee3c c\u0103n gi\u1eefa v\u00e0 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n d\u00f2ng. \u0110\u1ec3 th\u00eam &#8220;<a href=\"https:\/\/www.visual-paradigm.com\/features\/database-engineering-tools\/\">C\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1ed3n kho<\/a>&#8221; kho, h\u1ecd ch\u1ecdn c\u00f4ng c\u1ee5 Kho d\u1eef li\u1ec7u. Bi\u1ec3u t\u01b0\u1ee3ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh d\u1ea1ng s\u1eb5n d\u01b0\u1edbi d\u1ea1ng hai \u0111\u01b0\u1eddng song song. Khi k\u1ebft n\u1ed1i hai \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng lu\u1ed3ng d\u1eef li\u1ec7u, m\u0169i t\u00ean s\u1ebd kh\u1edbp ch\u00ednh x\u00e1c v\u00e0o bi\u00ean c\u1ee7a h\u00ecnh tr\u00f2n, duy tr\u00ec k\u1ebft n\u1ed1i ngay c\u1ea3 khi bong b\u00f3ng quy tr\u00ecnh \u0111\u01b0\u1ee3c di chuy\u1ec3n.<\/p>\n<h2>C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho ph\u00e2n t\u00edch c\u1ea5u tr\u00fac<\/h2>\n<p>Khi c\u00e1c kh\u00f3 kh\u0103n trong c\u00f4ng c\u1ee5 \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf, chuy\u00ean gia ph\u00e2n t\u00edch n\u00ean t\u1eadp trung v\u00e0o t\u00ednh nghi\u00eam ng\u1eb7t c\u1ee7a s\u01a1 \u0111\u1ed3. Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c s\u01a1 \u0111\u1ed3 DFD c\u1ee7a b\u1ea1n truy\u1ec1n \u0111\u1ea1t r\u00f5 r\u00e0ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<ul>\n<li><strong>T\u00f4n tr\u1ecdng th\u1ee9 b\u1eadc:<\/strong>S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u hi\u1ebfm khi ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp. B\u1eaft \u0111\u1ea7u b\u1eb1ng s\u01a1 \u0111\u1ed3 b\u1ed1i c\u1ea3nh (m\u1ee9c 0) m\u00f4 t\u1ea3 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng nh\u01b0 m\u1ed9t quy tr\u00ecnh duy nh\u1ea5t. Ph\u00e2n t\u00edch s\u01a1 \u0111\u1ed3 n\u00e0y th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 m\u1ee9c 1 v\u00e0 m\u1ee9c 2. Visual Paradigm h\u1ed7 tr\u1ee3 li\u00ean k\u1ebft c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y \u0111\u1ec3 duy tr\u00ec kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c.<\/li>\n<li><strong>C\u00e2n b\u1eb1ng lu\u1ed3ng d\u1eef li\u1ec7u:<\/strong> \u0110\u1ea3m b\u1ea3o &#8220;b\u1ea3o to\u00e0n d\u1eef li\u1ec7u&#8221;. D\u1eef li\u1ec7u ch\u1ea3y v\u00e0o m\u1ed9t quy tr\u00ecnh ph\u1ea3i \u0111\u1ee7 \u0111\u1ec3 t\u1ea1o ra d\u1eef li\u1ec7u ch\u1ea3y ra. N\u1ebfu m\u1ed9t quy tr\u00ecnh \u0111\u1ea7u ra l\u00e0 &#8220;H\u00f3a \u0111\u01a1n kh\u00e1ch h\u00e0ng&#8221;, n\u00f3 ph\u1ea3i c\u00f3 \u0111\u1ea7u v\u00e0o l\u00e0 &#8220;Chi ti\u1ebft \u0111\u01a1n h\u00e0ng&#8221; v\u00e0 &#8220;Gi\u00e1 c\u1ea3&#8221;, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 &#8220;T\u00ean kh\u00e1ch h\u00e0ng&#8221;.<\/li>\n<li><strong>Quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean:<\/strong>\n<ul>\n<li><strong>Quy tr\u00ecnh:<\/strong> S\u1eed d\u1ee5ng c\u1ee5m t\u1eeb \u0111\u1ed9ng t\u1eeb-danh t\u1eeb m\u1ea1nh (v\u00ed d\u1ee5: &#8220;T\u00ednh thu\u1ebf&#8221;, &#8220;X\u00e1c minh ng\u01b0\u1eddi d\u00f9ng&#8221;).<\/li>\n<li><strong>Lu\u1ed3ng d\u1eef li\u1ec7u:<\/strong> S\u1eed d\u1ee5ng c\u1ee5m t\u1eeb danh t\u1eeb m\u00f4 t\u1ea3 g\u00f3i d\u1eef li\u1ec7u (v\u00ed d\u1ee5: &#8220;Ch\u1ee9ng ch\u1ec9 \u0111\u00e3 x\u00e1c minh&#8221;, &#8220;M\u00e3 \u0111\u01a1n h\u00e0ng&#8221;).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>M\u1eb9o v\u00e0 th\u1ee7 thu\u1eadt \u0111\u1ec3 t\u0103ng hi\u1ec7u su\u1ea5t<\/h2>\n<p>T\u1eadn d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao c\u1ee7a Visual Paradigm \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ed7 tr\u1ee3 k\u00fd hi\u1ec7u Yourdon-DeMarco m\u1edbi.<\/p>\n<h3>1. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 c\u0103n ch\u1ec9nh th\u00f4ng minh<\/h3>\n<p>\u0110\u1eebng l\u00e3ng ph\u00ed th\u1eddi gian c\u0103n ch\u1ec9nh c\u00e1c bong b\u00f3ng th\u1ee7 c\u00f4ng. Ch\u1ecdn nhi\u1ec1u quy tr\u00ecnh v\u00e0 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 c\u0103n ch\u1ec9nh trong thanh c\u00f4ng c\u1ee5 \u0111\u1ec3 ph\u00e2n b\u1ed1 \u0111\u1ec1u theo chi\u1ec1u d\u1ecdc ho\u1eb7c chi\u1ec1u ngang. \u0110i\u1ec1u n\u00e0y gi\u00fap lu\u1ed3ng logic d\u1ec5 \u0111\u1ecdc h\u01a1n cho c\u00e1c b\u00ean li\u00ean quan.<\/p>\n<h3>2. T\u00e1i s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n m\u00f4 h\u00ecnh<\/h3>\n<p>\u0110i\u1ec3m m\u1ea1nh c\u1ee7a Visual Paradigm n\u1eb1m \u1edf kho l\u01b0u tr\u1eef c\u1ee7a n\u00f3. N\u1ebfu b\u1ea1n \u0111\u1ecbnh ngh\u0129a m\u1ed9t th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i (v\u00ed d\u1ee5: &#8220;C\u1ed5ng thanh to\u00e1n&#8221;) trong m\u1ed9t s\u01a1 \u0111\u1ed3, <a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/447\/449\/20238_updatinganal.html\">t\u00e1i s\u1eed d\u1ee5ng ch\u00ednh y\u1ebfu t\u1ed1 m\u00f4 h\u00ecnh \u0111\u00f3<\/a> trong c\u00e1c m\u1ee9c DFD kh\u00e1c. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u1ebfu th\u1ef1c th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ed5i t\u00ean sau n\u00e0y, thay \u0111\u1ed5i s\u1ebd t\u1ef1 \u0111\u1ed9ng lan truy\u1ec1n qua t\u1ea5t c\u1ea3 c\u00e1c s\u01a1 \u0111\u1ed3.<\/p>\n<h3>3. G\u1eafn v\u00e0o h\u00ecnh h\u1ecdc<\/h3>\n<p>B\u1eadt h\u01b0\u1edbng d\u1eabn g\u1eafn. Khi b\u1ea1n k\u00e9o m\u0169i t\u00ean lu\u1ed3ng d\u1eef li\u1ec7u g\u1ea7n bong b\u00f3ng quy tr\u00ecnh ho\u1eb7c kho d\u1eef li\u1ec7u, c\u00f4ng c\u1ee5 s\u1ebd l\u00e0m n\u1ed5i b\u1eadt \u0111i\u1ec3m k\u1ebft n\u1ed1i. Th\u1ea3 n\u00fat chu\u1ed9t s\u1ebd g\u1eafn \u0111\u01b0\u1eddng th\u1eb3ng v\u00e0o \u0111\u1ed1i t\u01b0\u1ee3ng, \u0111\u1ea3m b\u1ea3o vi\u1ec7c di chuy\u1ec3n \u0111\u1ed1i t\u01b0\u1ee3ng sau n\u00e0y kh\u00f4ng l\u00e0m \u0111\u1ee9t k\u1ebft n\u1ed1i.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Vi\u1ec7c b\u1ed5 sung h\u1ed7 tr\u1ee3 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Yourdon v\u00e0 DeMarco b\u1ea3n \u0111\u1ecba gi\u00fap ng\u01b0\u1eddi d\u00f9ng Visual Paradigm quay tr\u1edf l\u1ea1i m\u1ee5c ti\u00eau c\u1ed1t l\u00f5i l\u00e0<a href=\"https:\/\/dbmstools.com\/tools\/visual-paradigm\">ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng<\/a>: x\u00e1c \u0111\u1ecbnh c\u00e1c quy tr\u00ecnh v\u1eefng ch\u1eafc v\u00e0 h\u1ee3p l\u00fd. B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf g\u00e1nh n\u1eb7ng th\u1ee7 c\u00f4ng trong vi\u1ec7c tu\u00e2n th\u1ee7 \u0111\u1ed3 h\u1ecda, c\u00e1c nh\u00f3m c\u00f3 th\u1ec3 t\u1ea1o ra t\u00e0i li\u1ec7u r\u00f5 r\u00e0ng v\u00e0 chu\u1ea9n h\u00f3a h\u01a1n nhanh h\u01a1n bao gi\u1edd h\u1ebft. T\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 <strong>S\u01a1 \u0111\u1ed3 &gt; M\u1edbi<\/strong> menu ngay h\u00f4m nay v\u00e0 tr\u1ea3i nghi\u1ec7m s\u1ef1 kh\u00e1c bi\u1ec7t trong quy tr\u00ecnh ph\u00e2n t\u00edch c\u00f3 c\u1ea5u tr\u00fac c\u1ee7a b\u1ea1n.<\/p>\n<div class=\"related-resources-box\" style=\"margin-top: 2rem; padding-top: 1rem; border-top: 1px solid #e2e8f0;\">\n<h3 style=\"font-size: 1.25rem; font-weight: 700; color: #1e293b; margin-bottom: 0.75rem;\">T\u00e0i nguy\u00ean li\u00ean quan<\/h3>\n<ul class=\"resource-bullets\" style=\"list-style-type: disc; padding-left: 1.5rem; margin-bottom: 1rem;\">\n<li style=\"margin-bottom: 0.5rem;\"><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/447\/449_analysisdiag.html\" rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline;\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ph\u00e2n t\u00edch trong Visual Paradigm \u2013 S\u00e1ch h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng<\/a><\/li>\n<li style=\"margin-bottom: 0.5rem;\"><a href=\"https:\/\/www.prlog.org\/12743598-visual-paradigm-online-supported-ibm-cloud-architecture-diagram.html\" rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline;\" target=\"_blank\">Visual Paradigm Online H\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 Ki\u1ebfn tr\u00fac Cloud IBM<\/a><\/li>\n<li style=\"margin-bottom: 0.5rem;\"><a href=\"https:\/\/updates.visual-paradigm.com\/releases\/ai-diagram-generator-package-diagrams-visual-paradigm\/\" rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline;\" target=\"_blank\">Tr\u00ecnh t\u1ea1o S\u01a1 \u0111\u1ed3 AI Hi\u1ec7n t\u1ea1i H\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 G\u00f3i trong Visual Paradigm<\/a><\/li>\n<li style=\"margin-bottom: 0.5rem;\"><a href=\"https:\/\/online.visual-paradigm.com\/newsroom\/2018-05-vp-online-supports-google-gcp-diagram\/\" rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline;\" target=\"_blank\">Visual Paradigm Online Th\u00eam H\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 N\u1ec1n t\u1ea3ng Cloud Google<\/a><\/li>\n<li style=\"margin-bottom: 0.5rem;\"><a href=\"https:\/\/www.visual-paradigm.com\/features\/sysml-diagram-tool\/\" rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline;\" target=\"_blank\">C\u00f4ng c\u1ee5 S\u01a1 \u0111\u1ed3 SYSML Visual Paradigm \u2013 M\u00f4 h\u00ecnh h\u00f3a n\u00e2ng cao cho K\u1ef9 thu\u1eadt H\u1ec7 th\u1ed1ng<\/a><\/li>\n<li style=\"margin-bottom: 0.5rem;\"><a href=\"https:\/\/www.tech-posts.com\/how-visual-paradigm-supports-separate-sequence-diagrams-for-main-and-exceptional-flows\/\" rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline;\" target=\"_blank\">Visual Paradigm: S\u01a1 \u0111\u1ed3 Chu\u1ed7i ri\u00eang bi\u1ec7t cho c\u00e1c lu\u1ed3ng Ch\u00ednh v\u00e0 Ngo\u1ea1i l\u1ec7<\/a><\/li>\n<li style=\"margin-bottom: 0.5rem;\"><a href=\"https:\/\/www.visual-paradigm.com\/features\/jira-integration\/\" rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline;\" target=\"_blank\">T\u00edch h\u1ee3p Visual Paradigm v\u1edbi Jira: V\u1ebd s\u01a1 \u0111\u1ed3 li\u1ec1n m\u1ea1ch v\u00e0 Quy tr\u00ecnh Agile<\/a><\/li>\n<li style=\"margin-bottom: 0.5rem;\"><a href=\"https:\/\/www.cybermedian.com\/\ud83d\ude80-simplify-complex-workflows-with-visual-paradigm-ai-sequence-diagram-tool\/\" rel=\"noopener\" style=\"color: #2563eb; text-decoration: underline;\" target=\"_blank\">\u0110\u01a1n gi\u1ea3n h\u00f3a c\u00e1c quy tr\u00ecnh ph\u1ee9c t\u1ea1p v\u1edbi C\u00f4ng c\u1ee5 S\u01a1 \u0111\u1ed3 Chu\u1ed7i AI c\u1ee7a Visual Paradigm<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed1i \u01b0u h\u00f3a ph\u00e2n t\u00edch c\u1ea5u tr\u00fac v\u1edbi h\u1ed7 tr\u1ee3 t\u00edch h\u1ee3p m\u1edbi Ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ea5u tr\u00facv\u1eabn l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m v\u00e0m\u00f4 h\u00ecnh h\u00f3a&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u1ed7 tr\u1ee3 DFD c\u1ee7a Yourdon v\u00e0 DeMarco trong Visual Paradigm: M\u1ed9t H\u01b0\u1edbng d\u1eabn","_yoast_wpseo_metadesc":"Kh\u00e1m ph\u00e1 t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 Lu\u1ed3ng D\u1eef li\u1ec7u c\u1ee7a Yourdon v\u00e0 DeMarco m\u1edbi trong Visual Paradigm. H\u1ecdc c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[82],"tags":[],"class_list":["post-3143","post","type-post","status-publish","format-standard","hentry","category-ai-visual-modeling"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>H\u1ed7 tr\u1ee3 DFD c\u1ee7a Yourdon v\u00e0 DeMarco trong Visual Paradigm: M\u1ed9t H\u01b0\u1edbng d\u1eabn<\/title>\n<meta name=\"description\" content=\"Kh\u00e1m ph\u00e1 t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 Lu\u1ed3ng D\u1eef li\u1ec7u c\u1ee7a Yourdon v\u00e0 DeMarco m\u1edbi trong Visual Paradigm. H\u1ecdc c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ed7 tr\u1ee3 DFD c\u1ee7a Yourdon v\u00e0 DeMarco trong Visual Paradigm: M\u1ed9t H\u01b0\u1edbng d\u1eabn\" \/>\n<meta property=\"og:description\" content=\"Kh\u00e1m ph\u00e1 t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 Lu\u1ed3ng D\u1eef li\u1ec7u c\u1ee7a Yourdon v\u00e0 DeMarco m\u1edbi trong Visual Paradigm. H\u1ecdc c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-24T07:43:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png\" \/>\n<meta name=\"author\" content=\"vpadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"vpadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/\"},\"author\":{\"name\":\"vpadmin\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/#\/schema\/person\/c083cc17ddd91b7201d38579fe36292d\"},\"headline\":\"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Yourdon v\u00e0 DeMarco trong Visual Paradigm\",\"datePublished\":\"2026-02-24T07:43:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/\"},\"wordCount\":2525,\"publisher\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png\",\"articleSection\":[\"AI Visual Modeling\"],\"inLanguage\":\"vi\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/\",\"url\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/\",\"name\":\"H\u1ed7 tr\u1ee3 DFD c\u1ee7a Yourdon v\u00e0 DeMarco trong Visual Paradigm: M\u1ed9t H\u01b0\u1edbng d\u1eabn\",\"isPartOf\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png\",\"datePublished\":\"2026-02-24T07:43:28+00:00\",\"description\":\"Kh\u00e1m ph\u00e1 t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 Lu\u1ed3ng D\u1eef li\u1ec7u c\u1ee7a Yourdon v\u00e0 DeMarco m\u1edbi trong Visual Paradigm. H\u1ecdc c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#primaryimage\",\"url\":\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png\",\"contentUrl\":\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.go2posts.com\/vi\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Yourdon v\u00e0 DeMarco trong Visual Paradigm\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/#website\",\"url\":\"https:\/\/www.go2posts.com\/vi\/\",\"name\":\"Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.go2posts.com\/vi\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/#organization\",\"name\":\"Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends\",\"url\":\"https:\/\/www.go2posts.com\/vi\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.go2posts.com\/vi\/wp-content\/uploads\/sites\/22\/2025\/01\/logo.png\",\"contentUrl\":\"https:\/\/www.go2posts.com\/vi\/wp-content\/uploads\/sites\/22\/2025\/01\/logo.png\",\"width\":341,\"height\":46,\"caption\":\"Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends\"},\"image\":{\"@id\":\"https:\/\/www.go2posts.com\/vi\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/#\/schema\/person\/c083cc17ddd91b7201d38579fe36292d\",\"name\":\"vpadmin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/www.go2posts.com\/vi\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g\",\"caption\":\"vpadmin\"},\"sameAs\":[\"https:\/\/www.go2posts.com\"],\"url\":\"https:\/\/www.go2posts.com\/vi\/author\/vpadmin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"H\u1ed7 tr\u1ee3 DFD c\u1ee7a Yourdon v\u00e0 DeMarco trong Visual Paradigm: M\u1ed9t H\u01b0\u1edbng d\u1eabn","description":"Kh\u00e1m ph\u00e1 t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 Lu\u1ed3ng D\u1eef li\u1ec7u c\u1ee7a Yourdon v\u00e0 DeMarco m\u1edbi trong Visual Paradigm. H\u1ecdc c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/","og_locale":"vi_VN","og_type":"article","og_title":"H\u1ed7 tr\u1ee3 DFD c\u1ee7a Yourdon v\u00e0 DeMarco trong Visual Paradigm: M\u1ed9t H\u01b0\u1edbng d\u1eabn","og_description":"Kh\u00e1m ph\u00e1 t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 Lu\u1ed3ng D\u1eef li\u1ec7u c\u1ee7a Yourdon v\u00e0 DeMarco m\u1edbi trong Visual Paradigm. H\u1ecdc c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.","og_url":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/","og_site_name":"Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends","article_published_time":"2026-02-24T07:43:28+00:00","og_image":[{"url":"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png","type":"","width":"","height":""}],"author":"vpadmin","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"vpadmin","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"13 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#article","isPartOf":{"@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/"},"author":{"name":"vpadmin","@id":"https:\/\/www.go2posts.com\/vi\/#\/schema\/person\/c083cc17ddd91b7201d38579fe36292d"},"headline":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Yourdon v\u00e0 DeMarco trong Visual Paradigm","datePublished":"2026-02-24T07:43:28+00:00","mainEntityOfPage":{"@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/"},"wordCount":2525,"publisher":{"@id":"https:\/\/www.go2posts.com\/vi\/#organization"},"image":{"@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#primaryimage"},"thumbnailUrl":"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png","articleSection":["AI Visual Modeling"],"inLanguage":"vi"},{"@type":"WebPage","@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/","url":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/","name":"H\u1ed7 tr\u1ee3 DFD c\u1ee7a Yourdon v\u00e0 DeMarco trong Visual Paradigm: M\u1ed9t H\u01b0\u1edbng d\u1eabn","isPartOf":{"@id":"https:\/\/www.go2posts.com\/vi\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#primaryimage"},"image":{"@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#primaryimage"},"thumbnailUrl":"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png","datePublished":"2026-02-24T07:43:28+00:00","description":"Kh\u00e1m ph\u00e1 t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 Lu\u1ed3ng D\u1eef li\u1ec7u c\u1ee7a Yourdon v\u00e0 DeMarco m\u1edbi trong Visual Paradigm. H\u1ecdc c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.","breadcrumb":{"@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#primaryimage","url":"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png","contentUrl":"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2025\/11\/yourdon-and-demarco-dfd.png"},{"@type":"BreadcrumbList","@id":"https:\/\/www.go2posts.com\/vi\/a-comprehensive-guide-to-yourdon-and-demarco-data-flow-diagrams-in-visual-paradigm-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.go2posts.com\/vi\/"},{"@type":"ListItem","position":2,"name":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Yourdon v\u00e0 DeMarco trong Visual Paradigm"}]},{"@type":"WebSite","@id":"https:\/\/www.go2posts.com\/vi\/#website","url":"https:\/\/www.go2posts.com\/vi\/","name":"Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends","description":"","publisher":{"@id":"https:\/\/www.go2posts.com\/vi\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.go2posts.com\/vi\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/www.go2posts.com\/vi\/#organization","name":"Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends","url":"https:\/\/www.go2posts.com\/vi\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.go2posts.com\/vi\/#\/schema\/logo\/image\/","url":"https:\/\/www.go2posts.com\/vi\/wp-content\/uploads\/sites\/22\/2025\/01\/logo.png","contentUrl":"https:\/\/www.go2posts.com\/vi\/wp-content\/uploads\/sites\/22\/2025\/01\/logo.png","width":341,"height":46,"caption":"Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends"},"image":{"@id":"https:\/\/www.go2posts.com\/vi\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.go2posts.com\/vi\/#\/schema\/person\/c083cc17ddd91b7201d38579fe36292d","name":"vpadmin","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.go2posts.com\/vi\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56e0eb902506d9cea7c7e209205383146b8e81c0ef2eff693d9d5e0276b3d7e3?s=96&d=mm&r=g","caption":"vpadmin"},"sameAs":["https:\/\/www.go2posts.com"],"url":"https:\/\/www.go2posts.com\/vi\/author\/vpadmin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.go2posts.com\/vi\/wp-json\/wp\/v2\/posts\/3143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.go2posts.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.go2posts.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.go2posts.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.go2posts.com\/vi\/wp-json\/wp\/v2\/comments?post=3143"}],"version-history":[{"count":0,"href":"https:\/\/www.go2posts.com\/vi\/wp-json\/wp\/v2\/posts\/3143\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.go2posts.com\/vi\/wp-json\/wp\/v2\/media?parent=3143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.go2posts.com\/vi\/wp-json\/wp\/v2\/categories?post=3143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.go2posts.com\/vi\/wp-json\/wp\/v2\/tags?post=3143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}