{"id":523,"date":"2026-07-08T07:11:54","date_gmt":"2026-07-08T07:11:54","guid":{"rendered":"https:\/\/www.go-togaf.com\/vn\/learning-data-flow-diagrams-by-example-a-comprehensive-guide\/"},"modified":"2026-07-08T07:11:54","modified_gmt":"2026-07-08T07:11:54","slug":"learning-data-flow-diagrams-by-example-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/www.go-togaf.com\/vn\/learning-data-flow-diagrams-by-example-a-comprehensive-guide\/","title":{"rendered":"H\u1ecdc s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u qua v\u00ed d\u1ee5: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n"},"content":{"rendered":"<p>S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng, cung c\u1ea5p c\u00e1ch tr\u1ef1c quan r\u00f5 r\u00e0ng \u0111\u1ec3 hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n qua m\u1ed9t h\u1ec7 th\u1ed1ng th\u00f4ng tin. B\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf, b\u1ea1n c\u00f3 th\u1ec3 nhanh ch\u00f3ng n\u1eafm b\u1eaft c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i v\u00e0 \u00e1p d\u1ee5ng ch\u00fang v\u00e0o c\u00e1c d\u1ef1 \u00e1n c\u1ee7a ri\u00eang m\u00ecnh. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd d\u1eabn b\u1ea1n qua c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh c\u1ee7a DFD b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c v\u00ed d\u1ee5 t\u1eeb kho l\u01b0u tr\u1eef c\u1ee7a Visual Paradigm, gi\u1ea3i th\u00edch c\u00e1c k\u00fd hi\u1ec7u, quy t\u1eafc v\u00e0 t\u01b0 duy \u0111\u1eb1ng sau m\u1ed7i s\u01a1 \u0111\u1ed3.<\/p>\n<h2>Hi\u1ec3u c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i<\/h2>\n<p>Tr\u01b0\u1edbc khi \u0111i v\u00e0o c\u00e1c v\u00ed d\u1ee5, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u b\u1ed1n kh\u1ed1i x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n c\u1ee7a b\u1ea5t k\u1ef3 DFD n\u00e0o:<\/p>\n<table>\n<thead>\n<tr>\n<th align=\"left\">Th\u00e0nh ph\u1ea7n<\/th>\n<th align=\"left\">M\u00f4 t\u1ea3<\/th>\n<th align=\"left\">K\u00fd hi\u1ec7u th\u00f4ng d\u1ee5ng (Yourdon &amp; Coad)<\/th>\n<th align=\"left\">K\u00fd hi\u1ec7u th\u00f4ng d\u1ee5ng (Gane &amp; Sarson)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\"><strong>Th\u00e0nh ph\u1ea7n b\u00ean ngo\u00e0i<\/strong><\/td>\n<td align=\"left\">M\u1ed9t c\u00e1 nh\u00e2n, t\u1ed5 ch\u1ee9c ho\u1eb7c h\u1ec7 th\u1ed1ng n\u1eb1m ngo\u00e0i h\u1ec7 th\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a, g\u1eedi ho\u1eb7c nh\u1eadn d\u1eef li\u1ec7u. V\u00ed d\u1ee5: Kh\u00e1ch h\u00e0ng, Nh\u00e0 cung c\u1ea5p, Ng\u00e2n h\u00e0ng. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cngu\u1ed3n\u201d ho\u1eb7c \u201ch\u1ed1 h\u00fat.\u201d<\/td>\n<td align=\"left\">H\u00ecnh ch\u1eef nh\u1eadt<\/td>\n<td align=\"left\">H\u00ecnh ch\u1eef nh\u1eadt<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Quy tr\u00ecnh<\/strong><\/td>\n<td align=\"left\">M\u1ed9t ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c ch\u1ee9c n\u0103ng bi\u1ebfn d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o th\u00e0nh d\u1eef li\u1ec7u \u0111\u1ea7u ra. N\u00f3 ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t m\u1ed9t \u0111\u1ea7u v\u00e0o v\u00e0 m\u1ed9t \u0111\u1ea7u ra. V\u00ed d\u1ee5: \u201cX\u00e1c minh thanh to\u00e1n,\u201d \u201cG\u1eedi \u0111\u01a1n h\u00e0ng.\u201d<\/td>\n<td align=\"left\">H\u00ecnh tr\u00f2n<\/td>\n<td align=\"left\">H\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Kho d\u1eef li\u1ec7u<\/strong><\/td>\n<td align=\"left\">M\u1ed9t n\u01a1i l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u1ec3 s\u1eed d\u1ee5ng sau n\u00e0y. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u, m\u1ed9t t\u1eadp tin, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 m\u1ed9t t\u1ee7 h\u1ed3 s\u01a1.<\/td>\n<td align=\"left\">Hai \u0111\u01b0\u1eddng song song<\/td>\n<td align=\"left\">H\u00ecnh ch\u1eef nh\u1eadt m\u1edf \u0111\u1ea7u<\/td>\n<\/tr>\n<tr>\n<td align=\"left\"><strong>Lu\u1ed3ng d\u1eef li\u1ec7u<\/strong><\/td>\n<td align=\"left\">M\u1ed9t h\u00e0nh tr\u00ecnh \u0111\u1ec3 d\u1eef li\u1ec7u di chuy\u1ec3n t\u1eeb m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng sang ph\u1ea7n kh\u00e1c. N\u00f3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t m\u0169i t\u00ean v\u00e0 cho th\u1ea5y h\u01b0\u1edbng di chuy\u1ec3n.<\/td>\n<td align=\"left\">M\u0169i t\u00ean<\/td>\n<td align=\"left\">M\u0169i t\u00ean<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p><strong>Ghi ch\u00fa:<\/strong>\u00a0C\u00f3 hai k\u00fd hi\u1ec7u DFD ch\u00ednh, Yourdon &amp; Coad v\u00e0 Gane &amp; Sarson. M\u1eb7c d\u00f9 c\u00e1c k\u00fd hi\u1ec7u c\u1ee7a ch\u00fang kh\u00e1c nhau m\u1ed9t ch\u00fat, nh\u01b0ng c\u00e1c kh\u00e1i ni\u1ec7m n\u1ec1n t\u1ea3ng l\u00e0 gi\u1ed1ng nhau. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ch\u1ecdn m\u1ed9t v\u00e0 duy tr\u00ec s\u1ef1 nh\u1ea5t qu\u00e1n.<\/p>\n<\/blockquote>\n<h2>S\u1ee9c m\u1ea1nh c\u1ee7a c\u00e1c v\u00ed d\u1ee5<\/h2>\n<p>C\u00e1c v\u00ed d\u1ee5 \u0111\u01b0\u1ee3c cung c\u1ea5p trong b\u00e0i vi\u1ebft c\u1ee7a Visual Paradigm r\u1ea5t t\u1ed1t cho vi\u1ec7c h\u1ecdc v\u00ec ch\u00fang th\u1ec3 hi\u1ec7n DFD \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 chi ti\u1ebft kh\u00e1c nhau. C\u00e1c h\u1ec7 th\u1ed1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia nh\u1ecf th\u00e0nh c\u00e1c c\u1ea5p \u0111\u1ed9 \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0<strong>ph\u00e2n c\u1ea5p<\/strong>\u00a0.<\/p>\n<ul>\n<li>\n<p><strong>S\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh (M\u1ee9c 0):<\/strong>\u00a0\u0110\u00e2y l\u00e0 t\u1ea7m nh\u00ecn c\u1ea5p cao nh\u1ea5t. N\u00f3 th\u1ec3 hi\u1ec7n to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng nh\u01b0 m\u1ed9t qu\u00e1 tr\u00ecnh duy nh\u1ea5t v\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a n\u00f3 v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i. N\u00f3 cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan \u0111\u01a1n gi\u1ea3n, to\u00e0n di\u1ec7n.\u00a0<strong>C\u00e1c kho d\u1eef li\u1ec7u KH\u00d4NG \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u1edf c\u1ea5p \u0111\u1ed9 n\u00e0y<\/strong>\u00a0v\u00ec ch\u00fang n\u1eb1m b\u00ean trong h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<li>\n<p><strong>S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u m\u1ee9c 1 (DFD):<\/strong>\u00a0S\u01a1 \u0111\u1ed3 n\u00e0y &#8220;ph\u00e1 v\u1ee1&#8221; qu\u00e1 tr\u00ecnh duy nh\u1ea5t t\u1eeb s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh th\u00e0nh c\u00e1c ti\u1ec3u qu\u00e1 tr\u00ecnh ch\u00ednh. N\u00f3 th\u1ec3 hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng, c\u00e1ch d\u1eef li\u1ec7u l\u01b0u th\u00f4ng gi\u1eefa ch\u00fang, v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean gi\u1edbi thi\u1ec7u c\u00e1c kho d\u1eef li\u1ec7u. S\u01a1 \u0111\u1ed3 DFD m\u1ee9c 1 ph\u1ea3i &#8220;c\u00e2n b\u1eb1ng&#8221; v\u1edbi s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh, ngh\u0129a l\u00e0 c\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u \u0111i v\u00e0o v\u00e0 ra kh\u1ecfi h\u1ec7 th\u1ed1ng ph\u1ea3i gi\u1eef nguy\u00ean.<\/p>\n<\/li>\n<li>\n<p><strong>S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u m\u1ee9c 2 (v\u00e0 cao h\u01a1n):<\/strong>\u00a0C\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y cung c\u1ea5p th\u00eam chi ti\u1ebft b\u1eb1ng c\u00e1ch chia nh\u1ecf m\u1ed9t trong c\u00e1c qu\u00e1 tr\u00ecnh t\u1eeb s\u01a1 \u0111\u1ed3 m\u1ee9c 1. Qu\u00e1 tr\u00ecnh n\u00e0y ti\u1ebfp t\u1ee5c cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 chi ti\u1ebft mong mu\u1ed1n.<\/p>\n<\/li>\n<\/ul>\n<h3>V\u00ed d\u1ee5 h\u01b0\u1edbng d\u1eabn: H\u1ec7 th\u1ed1ng \u0111\u1eb7t m\u00f3n \u0103n<\/h3>\n<p>H\u00e3y c\u00f9ng ph\u00e2n t\u00edch v\u00ed d\u1ee5 v\u1ec1 &#8220;H\u1ec7 th\u1ed1ng \u0111\u1eb7t m\u00f3n \u0103n&#8221; \u0111\u01b0\u1ee3c n\u00eau trong b\u00e0i vi\u1ebft \u0111\u1ec3 th\u1ea5y c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<p><strong>1. S\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh (M\u1ee9c 0):<\/strong><\/p>\n<ul>\n<li>\n<p><strong>C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i:<\/strong>\u00a0C\u00f3 th\u1ec3 l\u00e0 m\u1ed9t\u00a0<strong>Kh\u00e1ch h\u00e0ng<\/strong>\u00a0v\u00e0 m\u1ed9t\u00a0<strong>B\u1ebfp<\/strong>. Kh\u00e1ch h\u00e0ng cung c\u1ea5p \u0111\u01a1n \u0111\u1eb7t h\u00e0ng v\u00e0 nh\u1eadn th\u1ee9c \u0103n; b\u1ebfp nh\u1eadn \u0111\u01a1n \u0111\u1eb7t h\u00e0ng v\u00e0 x\u00e1c nh\u1eadn tr\u1ea1ng th\u00e1i c\u1ee7a ch\u00fang.<\/p>\n<\/li>\n<li>\n<p><strong>Qu\u00e1 tr\u00ecnh duy nh\u1ea5t:<\/strong>\u00a0To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111\u1eb7t m\u00f3n \u0103n \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n nh\u01b0 m\u1ed9t qu\u00e1 tr\u00ecnh duy nh\u1ea5t (v\u00ed d\u1ee5: &#8220;H\u1ec7 th\u1ed1ng \u0111\u1eb7t m\u00f3n \u0103n&#8221;).<\/p>\n<\/li>\n<li>\n<p><strong>C\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u:<\/strong>\u00a0&#8220;\u0110\u01a1n h\u00e0ng&#8221; (Kh\u00e1ch h\u00e0ng \u2192 H\u1ec7 th\u1ed1ng), &#8220;Th\u1ee9c \u0103n&#8221; (H\u1ec7 th\u1ed1ng \u2192 Kh\u00e1ch h\u00e0ng), &#8220;Y\u00eau c\u1ea7u \u0111\u01a1n h\u00e0ng&#8221; (H\u1ec7 th\u1ed1ng \u2192 B\u1ebfp), &#8220;Tr\u1ea1ng th\u00e1i \u0111\u01a1n h\u00e0ng&#8221; (B\u1ebfp \u2192 H\u1ec7 th\u1ed1ng). S\u01a1 \u0111\u1ed3 n\u00e0y cung c\u1ea5p cho b\u1ea1n c\u00e1i nh\u00ecn t\u1ed5ng quan 10.000 feet v\u1ec1 ph\u1ea1m vi c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<\/ul>\n<p><strong>2. S\u01a1 \u0111\u1ed3 DFD m\u1ee9c 1:<\/strong><\/p>\n<ul>\n<li>\n<p>S\u01a1 \u0111\u1ed3 n\u00e0y s\u1ebd chia nh\u1ecf qu\u00e1 tr\u00ecnh duy nh\u1ea5t th\u00e0nh c\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh. D\u1ef1a tr\u00ean v\u00ed d\u1ee5, c\u00e1c ch\u1ee9c n\u0103ng n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/2e409d26-3345-4516-acde-c36b59fa3e0b\/data-flow-diagram-design\/food-ordering-system.png\"\/><\/p>\n<ul>\n<li>\n<p><strong>1.0 X\u1eed l\u00fd \u0111\u01a1n h\u00e0ng:<\/strong>\u00a0Nh\u1eadn \u0111\u01a1n h\u00e0ng t\u1eeb kh\u00e1ch h\u00e0ng, x\u00e1c th\u1ef1c v\u00e0 chuy\u1ec3n ti\u1ebfp n\u00f3.<\/p>\n<\/li>\n<li>\n<p><strong>2.0 S\u1ea3n xu\u1ea5t th\u1ee9c \u0103n:<\/strong>\u00a0Nh\u1eadn y\u00eau c\u1ea7u \u0111\u01a1n h\u00e0ng v\u00e0 ph\u1ed1i h\u1ee3p vi\u1ec7c chu\u1ea9n b\u1ecb th\u1ee9c \u0103n.<\/p>\n<\/li>\n<li>\n<p><strong>3.0 Qu\u1ea3n l\u00fd thanh to\u00e1n:<\/strong>\u00a0X\u1eed l\u00fd qu\u00e1 tr\u00ecnh thanh to\u00e1n.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>C\u00e1c kho d\u1eef li\u1ec7u:<\/strong>\u00a0M\u1ed9t kho l\u01b0u tr\u1eef d\u1eef li\u1ec7u nh\u01b0\u00a0<strong>\u0110\u01a1n h\u00e0ng D1<\/strong>\u00a0c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n \u1edf \u0111\u00e2y. C\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u nh\u01b0 \u201cChi ti\u1ebft \u0111\u01a1n h\u00e0ng\u201d s\u1ebd di chuy\u1ec3n t\u1eeb Quy tr\u00ecnh 1.0 sang kho l\u01b0u tr\u1eef \u0110\u01a1n h\u00e0ng, v\u00e0 \u201c\u0110\u01a1n h\u00e0ng s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5\u201d s\u1ebd di chuy\u1ec3n t\u1eeb Quy tr\u00ecnh 2.0 quay l\u1ea1i Quy tr\u00ecnh 1.0 \u0111\u1ec3 th\u00f4ng b\u00e1o cho kh\u00e1ch h\u00e0ng.<\/p>\n<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch so s\u00e1nh s\u01a1 \u0111\u1ed3 B\u1ed1i c\u1ea3nh v\u00e0 s\u01a1 \u0111\u1ed3 M\u1ee9c 1, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y c\u00e1ch ch\u1ee9c n\u0103ng c\u1ea5p cao duy nh\u1ea5t \u0111\u01b0\u1ee3c ph\u00e2n r\u00e3 th\u00e0nh m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c quy tr\u00ecnh con ph\u1ed1i h\u1ee3p v\u1edbi nhau.<\/p>\n<h3>Kh\u00e1m ph\u00e1 c\u00e1c v\u00ed d\u1ee5 kh\u00e1c<\/h3>\n<p>B\u00e0i vi\u1ebft cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c v\u00ed d\u1ee5 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u minh h\u1ecda c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 k\u00fd hi\u1ec7u kh\u00e1c nhau:<\/p>\n<ul>\n<li>\n<p><strong>N\u1ec1n t\u1ea3ng giao d\u1ecbch ch\u1ee9ng kho\u00e1n:<\/strong>\u00a0V\u00ed d\u1ee5 n\u00e0y r\u1ea5t t\u1ed1t \u0111\u1ec3 hi\u1ec3u c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p v\u1edbi nhi\u1ec1u th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i (v\u00ed d\u1ee5: Nh\u00e0 giao d\u1ecbch, S\u1edf giao d\u1ecbch ch\u1ee9ng kho\u00e1n) v\u00e0 c\u00e1c kho l\u01b0u tr\u1eef d\u1eef li\u1ec7u (v\u00ed d\u1ee5: C\u01a1 s\u1edf d\u1eef li\u1ec7u t\u00e0i kho\u1ea3n, Danh m\u1ee5c c\u1ed5 phi\u1ebfu).<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/8c2c19d0-cd9d-4e04-8192-ff0a8c6bea8c\/data-flow-diagram-design\/securities-trading-platform.png\"\/><\/p>\n<\/li>\n<li>\n<p><strong>\u1ee8ng d\u1ee5ng Si\u00eau th\u1ecb:<\/strong>\u00a0V\u00ed d\u1ee5 n\u00e0y minh h\u1ecda c\u00e1ch c\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a m\u1ed9t \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng hi\u1ec7n \u0111\u1ea1i t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 n\u1ec1n t\u1ea3ng nh\u01b0 qu\u1ea3n l\u00fd t\u1ed3n kho v\u00e0 x\u1eed l\u00fd thanh to\u00e1n.<\/p>\n<p id=\"nwXRwHv\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-885\" decoding=\"async\" fetchpriority=\"high\" height=\"560\" sizes=\"(max-width: 715px) 100vw, 715px\" src=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4df6db5dc7a.png\" srcset=\"https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4df6db5dc7a.png 715w, https:\/\/www.go-togaf.com\/wp-content\/uploads\/2026\/07\/img_6a4df6db5dc7a-300x235.png 300w\" width=\"715\"\/><\/p>\n<p>\u00a0<\/p>\n<\/li>\n<\/ul>\n<h2>Nh\u1eefng quy t\u1eafc c\u1ed1t l\u00f5i<\/h2>\n<p>Khi t\u1ea1o v\u00e0 di\u1ec5n gi\u1ea3i s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u, h\u00e3y ghi nh\u1edb nh\u1eefng quy t\u1eafc c\u01a1 b\u1ea3n n\u00e0y:<\/p>\n<ol>\n<li>\n<p><strong>D\u1eef li\u1ec7u kh\u00f4ng th\u1ec3 ch\u1ea3y tr\u1ef1c ti\u1ebfp:<\/strong><\/p>\n<ul>\n<li>\n<p>Gi\u1eefa hai th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i.<\/p>\n<\/li>\n<li>\n<p>Gi\u1eefa hai kho l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p>Gi\u1eefa m\u1ed9t th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i v\u00e0 m\u1ed9t kho l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<br \/>\n<em>D\u1eef li\u1ec7u lu\u00f4n ph\u1ea3i \u0111i qua m\u1ed9t quy tr\u00ecnh<\/em>\u00a0.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>M\u1ed7i quy tr\u00ecnh ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t m\u1ed9t lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 m\u1ed9t lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u1ea7u ra<\/strong>\u00a0.<\/p>\n<\/li>\n<li>\n<p><strong>Quy t\u1eafc \u0111\u1eb7t t\u00ean:<\/strong><\/p>\n<ul>\n<li>\n<p><strong>Quy tr\u00ecnh:<\/strong>\u00a0\u0110\u1eb7t t\u00ean b\u1eb1ng c\u00e1c \u0111\u1ed9ng t\u1eeb m\u1ea1nh, ho\u1ea1t \u0111\u1ed9ng (v\u00ed d\u1ee5: \u201cX\u1eed l\u00fd thanh to\u00e1n\u201d, \u201cGiao \u0111\u01a1n h\u00e0ng\u201d).<\/p>\n<\/li>\n<li>\n<p><strong>Th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i, Kho l\u01b0u tr\u1eef d\u1eef li\u1ec7u v\u00e0 Lu\u1ed3ng d\u1eef li\u1ec7u:<\/strong>\u00a0\u0110\u1eb7t t\u00ean b\u1eb1ng danh t\u1eeb (v\u00ed d\u1ee5: \u201cKh\u00e1ch h\u00e0ng\u201d, \u201cC\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1ed3n kho\u201d, \u201cChi ti\u1ebft \u0111\u01a1n h\u00e0ng\u201d) .<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>C\u00e2n b\u1eb1ng c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n:<\/strong>\u00a0C\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u \u0111i v\u00e0o v\u00e0 \u0111i ra kh\u1ecfi m\u1ed9t quy tr\u00ecnh tr\u00ean s\u01a1 \u0111\u1ed3 c\u1ea5p cao h\u01a1n ph\u1ea3i kh\u1edbp v\u1edbi t\u1ed5ng \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a c\u00e1c quy tr\u00ecnh con \u0111\u01b0\u1ee3c ph\u00e2n r\u00e3 tr\u00ean s\u01a1 \u0111\u1ed3 c\u1ea5p th\u1ea5p h\u01a1n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<\/li>\n<\/ol>\n<p>B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i n\u00e0y v\u00e0 nghi\u00ean c\u1ee9u c\u00e1c v\u00ed d\u1ee5 \u0111\u01b0\u1ee3c cung c\u1ea5p trong b\u00e0i vi\u1ebft c\u1ee7a Visual Paradigm, b\u1ea1n s\u1ebd s\u1eb5n s\u00e0ng \u0111\u1ec3 b\u1eaft \u0111\u1ea7u t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u r\u00f5 r\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 cho c\u00e1c d\u1ef1 \u00e1n ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng c\u1ee7a ri\u00eang b\u1ea1n.<\/p>\n<h2>Tham kh\u1ea3o<\/h2>\n<div>\n<div>\n<div>\n<div>\n<div>\n<ol>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/\"><strong>Tr\u00ecnh sinh s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u AI: M\u00f4 h\u00ecnh h\u00f3a lu\u1ed3ng d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng v\u1edbi Visual Paradigm<\/strong><\/a>: T\u1ed5ng quan v\u1ec1 c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi AI c\u1ee7a Visual Paradigm \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) t\u1eeb m\u00f4 t\u1ea3 v\u0103n b\u1ea3n.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/ai-gane-and-sarson-dfd-generator-by-visual-paradigm\/\"><strong>Tr\u00ecnh t\u1ea1o DFD Gane v\u00e0 Sarson b\u1eb1ng AI: M\u00f4 h\u00ecnh h\u00f3a lu\u1ed3ng d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng<\/strong><\/a>: Chi ti\u1ebft v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng AI \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) theo k\u00fd hi\u1ec7u Gane v\u00e0 Sarson tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng c\u1ee7a Visual Paradigm.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/\"><strong>Tr\u00ecnh t\u1ea1o s\u01a1 \u0111\u1ed3 Yourdon DeMarco b\u1eb1ng AI: M\u00f4 h\u00ecnh h\u00f3a lu\u1ed3ng d\u1eef li\u1ec7u th\u00f4ng minh h\u01a1n<\/strong><\/a>: Gi\u1edbi thi\u1ec7u v\u1ec1 tr\u00ecnh t\u1ea1o AI \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u theo phong c\u00e1ch Yourdon DeMarco.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/cn\/a-step-by-step-guide-to-creating-data-flow-diagrams-with-visual-paradigm\/\"><strong>H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u v\u1edbi Visual Paradigm<\/strong><\/a>: H\u01b0\u1edbng d\u1eabn bao g\u1ed3m c\u00e1c b\u01b0\u1edbc c\u01a1 b\u1ea3n \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) b\u1eb1ng Visual Paradigm Online.<\/p>\n<\/li>\n<li>\n<p class=\"\"><a href=\"https:\/\/guides.visual-paradigm.com\/cn\/mastering-data-flow-diagrams-with-visual-paradigm-a-step-by-step-guide\/\"><strong>Th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u v\u1edbi Visual Paradigm: H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc<\/strong><\/a>: H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf nh\u01b0 h\u1ec7 th\u1ed1ng mua s\u1eafm tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 d\u1ea1y c\u00e1ch t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD).<\/p>\n<\/li>\n<li>\n<p class=\"\"><a href=\"https:\/\/blog.visual-paradigm.com\/id\/beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online\/\"><strong>H\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) v\u1edbi Visual Paradigm Online<\/strong><\/a>: H\u01b0\u1edbng d\u1eabn gi\u1edbi thi\u1ec7u gi\u1ea3i th\u00edch c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a DFD v\u00e0 quy tr\u00ecnh t\u1ea1o d\u1ef1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1eabu.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/\"><strong>Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p: T\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng \u0111\u1eb7t h\u00e0ng th\u1ef1c ph\u1ea9m b\u1eb1ng s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD)<\/strong><\/a>: M\u1ed9t nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf minh h\u1ecda c\u00e1ch \u00e1p d\u1ee5ng s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng \u0111\u1eb7t h\u00e0ng c\u1ee7a m\u1ed9t nh\u00e0 h\u00e0ng.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/\"><strong>Hi\u1ec3u r\u00f5 DFD logic so v\u1edbi DFD v\u1eadt l\u00fd: Khi n\u00e0o v\u00e0 t\u1ea1i sao ch\u00fang ta c\u1ea7n ch\u00fang<\/strong><\/a>: B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p cho s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u logic v\u00e0 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u v\u1eadt l\u00fd.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/\"><strong>Th\u00e0nh th\u1ea1o c\u00e2n b\u1eb1ng s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/strong><\/a>: H\u01b0\u1edbng d\u1eabn v\u1ec1 k\u1ef9 thu\u1eadt c\u00e2n b\u1eb1ng s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c m\u1ee9c \u0111\u1ed9 s\u01a1 \u0111\u1ed3 kh\u00e1c nhau.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/\"><strong>Hi\u1ec3u r\u00f5 c\u00e1c m\u1ee9c \u0111\u1ed9 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) v\u00e0 ti\u00eau ch\u00ed ph\u00e2n c\u1ea5p<\/strong><\/a>: T\u1ed5ng quan v\u1ec1 c\u00e1c m\u1ee9c \u0111\u1ed9 DFD kh\u00e1c nhau (b\u1ed1i c\u1ea3nh, M\u1ee9c 0, M\u1ee9c 1, v.v.) v\u00e0 c\u00e1c ti\u00eau ch\u00ed ph\u00e2n t\u00e1ch h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/page\/2\/\"><strong>DFD c\u1ea5p cao nh\u1ea5t: S\u1ee9c m\u1ea1nh c\u1ee7a s\u01a1 \u0111\u1ed3 b\u1ed1i c\u1ea3nh<\/strong><\/a>: B\u00e0i vi\u1ebft t\u1eadp trung v\u00e0o s\u01a1 \u0111\u1ed3 b\u1ed1i c\u1ea3nh nh\u01b0 DFD c\u1ea5p cao nh\u1ea5t, \u0111\u1ea1i di\u1ec7n cho ranh gi\u1edbi h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c b\u00ean ngo\u00e0i.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/page\/2\/\"><strong>M\u1edf kh\u00f3a s\u1ee9c m\u1ea1nh c\u1ee7a s\u01a1 \u0111\u1ed3 Gane Sarson v\u1edbi c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn c\u1ee7a Visual Paradigm<\/strong><\/a>: T\u1ed5ng quan v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng Visual Paradigm \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) b\u1eb1ng k\u00fd hi\u1ec7u Gane-Sarson.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/guides.visual-paradigm.com\/category\/dfd\/page\/2\/\"><strong>B\u1eadt m\u00ed s\u01a1 \u0111\u1ed3 DFD Yourdon DeMarco: T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c v\u1ebd s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n v\u1edbi Visual Paradigm<\/strong><\/a>: H\u01b0\u1edbng d\u1eabn t\u1ea1o s\u01a1 \u0111\u1ed3 DFD phong c\u00e1ch Yourdon-DeMarco b\u1eb1ng c\u00f4ng c\u1ee5 c\u1ee7a Visual Paradigm.<\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/blog.visual-paradigm.com\/pl\/beginners-guide-to-ssadm-dfd-diagrams-with-visual-paradigm-online\/\"><strong>H\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 s\u01a1 \u0111\u1ed3 DFD SSADM v\u1edbi Visual Paradigm Online<\/strong><\/a>: H\u01b0\u1edbng d\u1eabn t\u1ea1o s\u01a1 \u0111\u1ed3 DFD phong c\u00e1ch SSADM b\u1eb1ng Visual Paradigm Online v\u00e0 c\u00e1c m\u1eabu c\u1ee7a n\u00f3.<\/p>\n<\/li>\n<li>\n<p class=\"\"><a href=\"https:\/\/guides.visual-paradigm.com\/page\/25\/\"><strong>\u0110\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa DFD v\u00e0 ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/strong><\/a>: B\u00e0i vi\u1ebft v\u1ec1 vi\u1ec7c duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 s\u01a1 \u0111\u1ed3 m\u1ed1i quan h\u1ec7 th\u1ef1c th\u1ec3.<\/p>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng, cung c\u1ea5p c\u00e1ch tr\u1ef1c quan r\u00f5 r\u00e0ng \u0111\u1ec3 hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[36],"tags":[],"class_list":["post-523","post","type-post","status-publish","format-standard","hentry","category-uml"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>H\u1ecdc s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u qua v\u00ed d\u1ee5: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n - Go TOGAF Vietnamese - Breaking News in AI &amp; Tech Development<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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