{"id":1850,"date":"2026-03-25T19:40:15","date_gmt":"2026-03-25T19:40:15","guid":{"rendered":"https:\/\/www.tech-posts.com\/vi\/translate-business-requirements-data-flow-diagrams\/"},"modified":"2026-03-25T19:40:15","modified_gmt":"2026-03-25T19:40:15","slug":"translate-business-requirements-data-flow-diagrams","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/vi\/translate-business-requirements-data-flow-diagrams\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u kinh doanh th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u r\u00f5 r\u00e0ng"},"content":{"rendered":"<p>Vi\u1ec7c t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1nh m\u1ebd \u0111\u00f2i h\u1ecfi nhi\u1ec1u h\u01a1n ch\u1ec9 vi\u1ec7c vi\u1ebft m\u00e3. N\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft ch\u00ednh x\u00e1c v\u1ec1 c\u00e1ch th\u00f4ng tin di chuy\u1ec3n trong m\u1ed9t t\u1ed5 ch\u1ee9c. \u1ede trung t\u00e2m c\u1ee7a s\u1ef1 hi\u1ec3u bi\u1ebft n\u00e0y l\u00e0 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u, hay DFD. C\u00f4ng c\u1ee5 tr\u1ef1c quan n\u00e0y n\u1ed1i li\u1ec1n kho\u1ea3ng c\u00e1ch gi\u1eefa nhu c\u1ea7u kinh doanh tr\u1eebu t\u01b0\u1ee3ng v\u00e0 c\u00e1c \u0111\u1eb7c t\u1ea3 k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3. Khi b\u1ea1n chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00f4ng c\u00e1c y\u00eau c\u1ea7u kinh doanh th\u00e0nh DFD, b\u1ea1n s\u1ebd t\u1ea1o ra m\u1ed9t ng\u00f4n ng\u1eef chung cho c\u00e1c b\u00ean li\u00ean quan, nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 nh\u00e0 ph\u00e2n t\u00edch.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd d\u1eabn b\u1ea1n qua qu\u00e1 tr\u00ecnh c\u00f3 k\u1ef7 lu\u1eadt \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c nhu c\u1ea7u kinh doanh c\u1ea5p cao th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 c\u00f3 c\u1ea5u tr\u00fac. Ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c b\u01b0\u1edbc c\u1ea7n thi\u1ebft, c\u00e1c y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i tham gia v\u00e0 nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh. B\u1eb1ng c\u00e1ch tu\u00e2n theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, b\u1ea1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng cu\u1ed1i c\u00f9ng ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c th\u1ef1c t\u1ebf ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Whimsical 16:9 infographic illustrating how to translate business requirements into Data Flow Diagrams: features a storybook-style journey through 6 phases (decoding requirements, translation process, visual standards, handling complexity, validation review, maintenance), playful DFD symbol icons (external entities as character avatars, process clouds with gears, flowing arrow ribbons, data store chests), benefit badges for clarity-accuracy-consistency-scope control, and decorative pastel elements guiding viewers from business needs to shared technical understanding.\" decoding=\"async\" src=\"https:\/\/www.tech-posts.com\/wp-content\/uploads\/2026\/03\/whimsical-data-flow-diagram-business-requirements-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>Hi\u1ec3u r\u00f5 m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa c\u00e1c y\u00eau c\u1ea7u v\u00e0 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u \ud83d\udd17<\/h2>\n<p>C\u00e1c y\u00eau c\u1ea7u kinh doanh l\u00e0 nh\u1eefng ph\u00e1t bi\u1ec3u v\u1ec1 \u0111i\u1ec1u m\u00e0 t\u1ed5 ch\u1ee9c c\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c. Ch\u00fang m\u00f4 t\u1ea3 c\u00e1c quy tr\u00ecnh, nhu c\u1ea7u d\u1eef li\u1ec7u v\u00e0 t\u01b0\u01a1ng t\u00e1c ng\u01b0\u1eddi d\u00f9ng m\u00e0 kh\u00f4ng nh\u1ea5t thi\u1ebft chi ti\u1ebft v\u1ec1 tri\u1ec3n khai k\u1ef9 thu\u1eadt. S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u00f3ng vai tr\u00f2 l\u00e0 bi\u1ec3u di\u1ec5n tr\u1ef1c quan cho nh\u1eefng ph\u00e1t bi\u1ec3u n\u00e0y. N\u00f3 cho th\u1ea5y d\u1eef li\u1ec7u \u0111\u1ebfn t\u1eeb \u0111\u00e2u, \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o, \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef \u1edf \u0111\u00e2u v\u00e0 \u0111i \u0111\u1ebfn \u0111\u00e2u ti\u1ebfp theo.<\/p>\n<p>Khi b\u1ea1n l\u1eadp b\u1ea3n \u0111\u1ed3 c\u00e1c y\u00eau c\u1ea7u v\u00e0o DFD, b\u1ea1n th\u1ef1c ch\u1ea5t \u0111ang ki\u1ec3m to\u00e1n lu\u1ed3ng th\u00f4ng tin. Qu\u00e1 tr\u00ecnh n\u00e0y ti\u1ebft l\u1ed9 nh\u1eefng kho\u1ea3ng tr\u1ed1ng v\u1ec1 logic, c\u00e1c kho d\u1eef li\u1ec7u b\u1ecb thi\u1ebfu ho\u1eb7c c\u00e1c \u0111\u1ecbnh ngh\u0129a quy tr\u00ecnh m\u01a1 h\u1ed3 tr\u01b0\u1edbc khi b\u1ea5t k\u1ef3 c\u00f4ng ngh\u1ec7 n\u00e0o \u0111\u01b0\u1ee3c ch\u1ecdn. N\u00f3 bu\u1ed9c ph\u1ea3i c\u00f3 cu\u1ed9c tr\u00f2 chuy\u1ec7n v\u1ec1 \u0111i\u1ec1u <em>n\u00e0o<\/em>thay v\u00ec <em>c\u00e1ch th\u1ee9c<\/em>.<\/p>\n<h3>T\u1ea1i sao vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u00e0y l\u1ea1i quan tr\u1ecdng \ud83c\udfaf<\/h3>\n<ul>\n<li><strong>R\u00f5 r\u00e0ng:<\/strong>C\u00e1c b\u00ean li\u00ean quan th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi thu\u1eadt ng\u1eef k\u1ef9 thu\u1eadt. DFD s\u1eed d\u1ee5ng c\u00e1c bi\u1ec3u t\u01b0\u1ee3ng tr\u1ef1c quan \u0111\u1ec3 l\u00e0m cho c\u00e1c lu\u1ed3ng ph\u1ee9c t\u1ea1p tr\u1edf n\u00ean d\u1ec5 hi\u1ec3u.<\/li>\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c:<\/strong> N\u00f3 x\u00e1c minh r\u1eb1ng m\u1ed7i ph\u1ea7n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn trong y\u00eau c\u1ea7u \u0111\u1ec1u c\u00f3 m\u1ed9t h\u00e0nh tr\u00ecnh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/li>\n<li><strong>T\u00ednh nh\u1ea5t qu\u00e1n:<\/strong> N\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng kh\u00f4ng m\u00e2u thu\u1eabn nhau v\u1ec1 quy\u1ec1n s\u1edf h\u1eefu d\u1eef li\u1ec7u.<\/li>\n<li><strong>Ki\u1ec3m so\u00e1t ph\u1ea1m vi:<\/strong> N\u00f3 gi\u00fap x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u g\u00ec n\u1eb1m trong ph\u1ea1m vi d\u1ef1 \u00e1n hi\u1ec7n t\u1ea1i v\u00e0 \u0111i\u1ec1u g\u00ec thu\u1ed9c v\u1ec1 c\u00e1c giai \u0111o\u1ea1n ti\u1ebfp theo.<\/li>\n<\/ul>\n<h2>Giai \u0111o\u1ea1n 1: Gi\u1ea3i m\u00e3 c\u00e1c y\u00eau c\u1ea7u kinh doanh \ud83d\udccb<\/h2>\n<p>N\u1ec1n t\u1ea3ng c\u1ee7a m\u1ed9t s\u01a1 \u0111\u1ed3 t\u1ed1t l\u00e0 \u0111\u1ea7u v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng cao. B\u1ea1n kh\u00f4ng th\u1ec3 v\u1ebd b\u1ea3n \u0111\u1ed3 n\u1ebfu b\u1ea1n kh\u00f4ng bi\u1ebft v\u00f9ng \u0111\u1ea5t \u0111\u00f3. B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean bao g\u1ed3m vi\u1ec7c thu th\u1eadp v\u00e0 ph\u00e2n t\u00edch t\u00e0i li\u1ec7u th\u00f4 do b\u1ed9 ph\u1eadn kinh doanh cung c\u1ea5p.<\/p>\n<h3>1. X\u00e1c \u0111\u1ecbnh c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i<\/h3>\n<p>B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch li\u1ec7t k\u00ea ai ho\u1eb7c c\u00e1i g\u00ec t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng t\u1eeb b\u00ean ngo\u00e0i. \u0110\u00e2y l\u00e0 ngu\u1ed3n v\u00e0 \u0111\u00edch c\u1ee7a d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Trong b\u1ed1i c\u1ea3nh y\u00eau c\u1ea7u, h\u00e3y t\u00ecm nh\u1eefng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng, ph\u00f2ng ban ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i.<\/p>\n<ul>\n<li><strong>Kh\u00e1ch h\u00e0ng:<\/strong> H\u1ecd c\u00f3 \u0111\u1eb7t h\u00e0ng kh\u00f4ng? H\u1ecd c\u00f3 nh\u1eadn b\u00e1o c\u00e1o kh\u00f4ng?<\/li>\n<li><strong>Nh\u00e2n vi\u00ean:<\/strong> Ai ph\u00ea duy\u1ec7t giao d\u1ecbch? Ai nh\u1eadp d\u1eef li\u1ec7u?<\/li>\n<li><strong>C\u00e1c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i:<\/strong> C\u00f3 API n\u00e0o tham gia kh\u00f4ng? B\u1ea1n c\u00f3 tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb m\u1ed9t d\u1ecbch v\u1ee5 b\u00ean th\u1ee9 ba kh\u00f4ng?<\/li>\n<li><strong>C\u01a1 quan qu\u1ea3n l\u00fd:<\/strong>C\u00f3 d\u1eef li\u1ec7u n\u00e0o ph\u1ea3i b\u00e1o c\u00e1o cho c\u00e1c c\u01a1 quan ch\u00ednh ph\u1ee7 kh\u00f4ng?<\/li>\n<\/ul>\n<p>M\u1ed7i th\u1ef1c th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh \u1edf \u0111\u00e2y s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t h\u00ecnh vu\u00f4ng ho\u1eb7c h\u00ecnh tr\u00f2n tr\u00ean s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n. N\u1ebfu m\u1ed9t y\u00eau c\u1ea7u \u0111\u1ec1 c\u1eadp \u0111\u1ebfn h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, h\u00e3y x\u00e1c \u0111\u1ecbnh th\u1ef1c th\u1ec3 ng\u01b0\u1eddi d\u00f9ng. N\u1ebfu n\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c g\u1eedi b\u00e1o c\u00e1o, h\u00e3y x\u00e1c \u0111\u1ecbnh th\u1ef1c th\u1ec3 ng\u01b0\u1eddi nh\u1eadn.<\/p>\n<h3>2. Tr\u00edch xu\u1ea5t lu\u1ed3ng d\u1eef li\u1ec7u<\/h3>\n<p>H\u00e3y t\u00ecm c\u00e1c \u0111\u1ed9ng t\u1eeb trong t\u00e0i li\u1ec7u y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n. \u0110\u1ed9ng t\u1eeb th\u01b0\u1eddng ch\u1ec9 ra s\u1ef1 di chuy\u1ec3n. C\u00e1c c\u1ee5m t\u1eeb nh\u01b0 \u201cg\u1eedi bi\u1ec3u m\u1eabu,\u201d \u201ct\u1ea1o b\u00e1o c\u00e1o,\u201d ho\u1eb7c \u201cc\u1eadp nh\u1eadt t\u1ed3n kho\u201d cho th\u1ea5y s\u1ef1 di chuy\u1ec3n c\u1ee7a th\u00f4ng tin.<\/p>\n<ul>\n<li><strong>Lu\u1ed3ng \u0111\u1ea7u v\u00e0o:<\/strong>D\u1eef li\u1ec7u nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng. V\u00ed d\u1ee5: \u201cKh\u00e1ch h\u00e0ng g\u1eedi chi ti\u1ebft \u0111\u01a1n h\u00e0ng.\u201d\n<li><strong>Lu\u1ed3ng \u0111\u1ea7u ra:<\/strong>D\u1eef li\u1ec7u r\u1eddi kh\u1ecfi h\u1ec7 th\u1ed1ng. V\u00ed d\u1ee5: \u201cH\u1ec7 th\u1ed1ng g\u1eedi email x\u00e1c nh\u1eadn.\u201d\n<li><strong>Lu\u1ed3ng n\u1ed9i b\u1ed9:<\/strong>D\u1eef li\u1ec7u di chuy\u1ec3n gi\u1eefa c\u00e1c qu\u00e1 tr\u00ecnh b\u00ean trong h\u1ec7 th\u1ed1ng.<\/li>\n<\/li>\n<\/li>\n<\/ul>\n<h3>3. X\u00e1c \u0111\u1ecbnh n\u01a1i l\u01b0u tr\u1eef d\u1eef li\u1ec7u<\/h3>\n<p>C\u00e1c y\u00eau c\u1ea7u th\u01b0\u1eddng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c l\u01b0u tr\u1eef h\u1ed3 s\u01a1. N\u1ebfu d\u1eef li\u1ec7u t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n giao d\u1ecbch ngay l\u1eadp t\u1ee9c, th\u00ec n\u00f3 thu\u1ed9c v\u1ec1 n\u01a1i l\u01b0u tr\u1eef d\u1eef li\u1ec7u. H\u00e3y t\u00ecm c\u00e1c t\u1eeb kh\u00f3a nh\u01b0 \u201cl\u01b0u,\u201d \u201cl\u01b0u tr\u1eef,\u201d \u201ch\u1ed3 s\u01a1,\u201d \u201cl\u1ecbch s\u1eed,\u201d ho\u1eb7c \u201cc\u01a1 s\u1edf d\u1eef li\u1ec7u.\u201d<\/p>\n<ul>\n<li><strong>Nh\u1eadt k\u00fd giao d\u1ecbch:<\/strong>C\u00e1c h\u1ed3 s\u01a1 v\u1ec1 nh\u1eefng g\u00ec \u0111\u00e3 x\u1ea3y ra.<\/li>\n<li><strong>T\u1eadp tin ch\u00ednh:<\/strong>D\u1eef li\u1ec7u t\u0129nh nh\u01b0 danh s\u00e1ch s\u1ea3n ph\u1ea9m ho\u1eb7c h\u1ed3 s\u01a1 ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li><strong>T\u1eadp tin l\u00e0m vi\u1ec7c:<\/strong>D\u1eef li\u1ec7u t\u1ea1m th\u1eddi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd.<\/li>\n<\/ul>\n<h2>Giai \u0111o\u1ea1n 2: Quy tr\u00ecnh d\u1ecbch chuy\u1ec3n \ud83d\udee0\ufe0f<\/h2>\n<p>M\u1ed9t khi b\u1ea1n \u0111\u00e3 thu th\u1eadp \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u th\u00f4, qu\u00e1 tr\u00ecnh d\u1ecbch chuy\u1ec3n th\u1ef1c s\u1ef1 b\u1eaft \u0111\u1ea7u. Giai \u0111o\u1ea1n n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt. B\u1ea1n ph\u1ea3i ki\u1ec1m ch\u1ebf c\u00e1m d\u1ed7 nh\u1ea3y th\u1eb3ng sang c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt. H\u00e3y t\u1eadp trung v\u00e0o lu\u1ed3ng logic.<\/p>\n<h3>B\u01b0\u1edbc 1: T\u1ea1o s\u01a1 \u0111\u1ed3 b\u1ed1i c\u1ea3nh \ud83c\udf0d<\/h3>\n<p>B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1i nh\u00ecn t\u1ed5ng quan. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 b\u1ed1i c\u1ea3nh ho\u1eb7c DFD c\u1ea5p \u0111\u1ed9 0. N\u00f3 th\u1ec3 hi\u1ec7n to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng nh\u01b0 m\u1ed9t b\u1ecdt qu\u00e1 tr\u00ecnh duy nh\u1ea5t v\u00e0 k\u1ebft n\u1ed1i n\u00f3 v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i.<\/p>\n<ul>\n<li><strong>V\u1ebd h\u1ec7 th\u1ed1ng:<\/strong>Bi\u1ec3u di\u1ec5n to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng nh\u01b0 m\u1ed9t h\u00ecnh tr\u00f2n ho\u1eb7c h\u00ecnh ch\u1eef nh\u1eadt bo g\u00f3c.<\/li>\n<li><strong>Th\u00eam c\u00e1c th\u1ef1c th\u1ec3:<\/strong>\u0110\u1eb7t t\u1ea5t c\u1ea3 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i \u0111\u00e3 x\u00e1c \u0111\u1ecbnh xung quanh h\u00ecnh tr\u00f2n.<\/li>\n<li><strong>K\u1ebft n\u1ed1i c\u00e1c lu\u1ed3ng:<\/strong>V\u1ebd c\u00e1c m\u0169i t\u00ean gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3 v\u00e0 qu\u00e1 tr\u00ecnh trung t\u00e2m. \u0110\u00e1nh nh\u00e3n m\u1ed7i m\u0169i t\u00ean b\u1eb1ng d\u1eef li\u1ec7u \u0111ang di chuy\u1ec3n.<\/li>\n<li><strong>X\u00e1c minh:<\/strong>\u0110\u1ea3m b\u1ea3o m\u1ed7i th\u1ef1c th\u1ec3 c\u00f3 \u00edt nh\u1ea5t m\u1ed9t lu\u1ed3ng \u0111\u1ea7u v\u00e0o ho\u1eb7c \u0111\u1ea7u ra.<\/li>\n<\/ul>\n<p>S\u01a1 \u0111\u1ed3 n\u00e0y tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u201cBi\u00ean gi\u1edbi h\u1ec7 th\u1ed1ng l\u00e0 g\u00ec?\u201d N\u00f3 x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi c\u1ee7a c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n.<\/p>\n<h3>B\u01b0\u1edbc 2: Ph\u00e2n t\u00edch th\u00e0nh s\u01a1 \u0111\u1ed3 DFD c\u1ea5p 1 \ud83e\udde9<\/h3>\n<p>S\u01a1 \u0111\u1ed3 b\u1ed1i c\u1ea3nh qu\u00e1 \u1edf c\u1ea5p \u0111\u1ed9 cao \u0111\u1ec3 hi\u1ec3n th\u1ecb logic b\u00ean trong. B\u1ea1n ph\u1ea3i chia b\u1ecdt quy tr\u00ecnh duy nh\u1ea5t th\u00e0nh c\u00e1c ti\u1ec3u quy tr\u00ecnh ch\u00ednh. Nh\u1eefng ti\u1ec3u quy tr\u00ecnh n\u00e0y \u0111\u1ea1i di\u1ec7n cho c\u00e1c khu v\u1ef1c ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<ul>\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh:<\/strong> N\u1ebfu h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng, h\u00e3y chia nh\u1ecf th\u00e0nh \u201cNh\u1eadn \u0111\u01a1n h\u00e0ng,\u201d \u201cX\u1eed l\u00fd thanh to\u00e1n,\u201d v\u00e0 \u201cGiao h\u00e0ng.\u201d\n<li><strong>B\u1ea3n \u0111\u1ed3 c\u00e1c kho d\u1eef li\u1ec7u:<\/strong> V\u1ebd c\u00e1c \u0111\u01b0\u1eddng n\u1ed1i gi\u1eefa c\u00e1c quy tr\u00ecnh v\u00e0 c\u00e1c kho d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y n\u01a1i th\u00f4ng tin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef.<\/li>\n<li><strong>Tinh ch\u1ec9nh lu\u1ed3ng:<\/strong> \u0110\u1ea3m b\u1ea3o m\u1ecdi m\u0169i t\u00ean \u0111i v\u00e0o m\u1ed9t quy tr\u00ecnh c\u0169ng ph\u1ea3i \u0111i ra kh\u1ecfi n\u00f3, tr\u1eeb khi \u0111\u00f3 l\u00e0 l\u1ed7i x\u00e1c th\u1ef1c ho\u1eb7c m\u1ee5c ghi nh\u1eadt k\u00fd.<\/li>\n<\/li>\n<\/ul>\n<h3>B\u01b0\u1edbc 3: \u0110\u00e1nh s\u1ed1 v\u00e0 \u0111\u1eb7t t\u00ean \ud83c\udff7\ufe0f<\/h3>\n<p>T\u00ednh nh\u1ea5t qu\u00e1n l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 d\u1ec5 \u0111\u1ecdc. S\u1eed d\u1ee5ng m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u00e1nh s\u1ed1 chu\u1ea9n cho c\u00e1c quy tr\u00ecnh c\u1ee7a b\u1ea1n.<\/p>\n<ul>\n<li><strong>C\u1ea5p \u0111\u1ed9 0:<\/strong> Quy tr\u00ecnh trung t\u00e2m duy nh\u1ea5t (v\u00ed d\u1ee5: 0.0).<\/li>\n<li><strong>C\u1ea5p \u0111\u1ed9 1:<\/strong> C\u00e1c ti\u1ec3u quy tr\u00ecnh ch\u00ednh (v\u00ed d\u1ee5: 1.0, 2.0, 3.0).<\/li>\n<li><strong>C\u1ea5p \u0111\u1ed9 2:<\/strong> C\u00e1c b\u01b0\u1edbc chi ti\u1ebft b\u00ean trong m\u1ed9t quy tr\u00ecnh c\u1ea5p 1 (v\u00ed d\u1ee5: 1.1, 1.2).<\/li>\n<\/ul>\n<p>T\u00ean ph\u1ea3i mang t\u00ednh h\u00e0nh \u0111\u1ed9ng. S\u1eed d\u1ee5ng \u0111\u1ed9ng t\u1eeb theo sau l\u00e0 danh t\u1eeb. V\u00ed d\u1ee5, \u201cT\u00ednh thu\u1ebf\u201d t\u1ed1t h\u01a1n \u201cT\u00ednh to\u00e1n thu\u1ebf.\u201d \u0110i\u1ec1u n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n ch\u1ea5t \u0111\u1ed9ng c\u1ee7a lu\u1ed3ng d\u1eef li\u1ec7u.<\/p>\n<h2>Giai \u0111o\u1ea1n 3: Ti\u00eau chu\u1ea9n tr\u1ef1c quan v\u00e0 k\u00fd hi\u1ec7u \ud83d\udcd0<\/h2>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c hi\u1ec3u ph\u1ed5 bi\u1ebfn, h\u00e3y tu\u00e2n th\u1ee7 k\u00fd hi\u1ec7u chu\u1ea9n. D\u00f9 c\u00f4ng c\u1ee5 kh\u00e1c nhau, logic c\u1ed1t l\u00f5i v\u1eabn gi\u1ed1ng nhau.<\/p>\n<table border=\"1\" cellpadding=\"10\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th>Y\u1ebfu t\u1ed1<\/th>\n<th>H\u00ecnh d\u1ea1ng k\u00fd hi\u1ec7u<\/th>\n<th>\u00dd ngh\u0129a<\/th>\n<th>V\u00ed d\u1ee5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i<\/strong><\/td>\n<td>H\u00ecnh ch\u1eef nh\u1eadt ho\u1eb7c h\u00ecnh vu\u00f4ng<\/td>\n<td>Ngu\u1ed3n ho\u1eb7c \u0111\u00edch c\u1ee7a d\u1eef li\u1ec7u b\u00ean ngo\u00e0i h\u1ec7 th\u1ed1ng<\/td>\n<td>Kh\u00e1ch h\u00e0ng, Ng\u00e2n h\u00e0ng, Nh\u00e0 cung c\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td><strong>Quy tr\u00ecnh<\/strong><\/td>\n<td>H\u00ecnh tr\u00f2n ho\u1eb7c h\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n<\/td>\n<td>Chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u<\/td>\n<td>X\u00e1c minh \u0111\u01a1n h\u00e0ng, T\u00ednh t\u1ed5ng c\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td><strong>D\u00f2ng d\u1eef li\u1ec7u<\/strong><\/td>\n<td>M\u0169i t\u00ean<\/td>\n<td>Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a d\u1eef li\u1ec7u gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n<\/td>\n<td>Chi ti\u1ebft \u0111\u01a1n h\u00e0ng, H\u00f3a \u0111\u01a1n thanh to\u00e1n<\/td>\n<\/tr>\n<tr>\n<td><strong>Kho l\u01b0u tr\u1eef d\u1eef li\u1ec7u<\/strong><\/td>\n<td>H\u00ecnh ch\u1eef nh\u1eadt m\u1edf ho\u1eb7c c\u00e1c \u0111\u01b0\u1eddng song song<\/td>\n<td>L\u01b0u tr\u1eef d\u1eef li\u1ec7u th\u1ee5 \u0111\u1ed9ng<\/td>\n<td>C\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01a1n h\u00e0ng, T\u1eadp tin ng\u01b0\u1eddi d\u00f9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Hi\u1ec3u c\u00e1c quy t\u1eafc di chuy\u1ec3n \ud83d\udd04<\/h3>\n<p>C\u00f3 nh\u1eefng quy t\u1eafc logic nghi\u00eam ng\u1eb7t \u0111i\u1ec1u ch\u1ec9nh c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y k\u1ebft n\u1ed1i v\u1edbi nhau. Vi ph\u1ea1m ch\u00fang s\u1ebd t\u1ea1o ra m\u1ed9t thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n<ul>\n<li><strong>Kh\u00f4ng c\u00f3 d\u00f2ng d\u1eef li\u1ec7u gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3:<\/strong>C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i kh\u00f4ng th\u1ec3 giao ti\u1ebfp tr\u1ef1c ti\u1ebfp v\u1edbi nhau m\u00e0 kh\u00f4ng \u0111i qua h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>Quy tr\u00ecnh sang quy tr\u00ecnh:<\/strong>D\u1eef li\u1ec7u ph\u1ea3i ch\u1ea3y gi\u1eefa hai quy tr\u00ecnh ho\u1eb7c gi\u1eefa m\u1ed9t quy tr\u00ecnh v\u00e0 m\u1ed9t kho l\u01b0u tr\u1eef.<\/li>\n<li><strong>T\u01b0\u01a1ng t\u00e1c v\u1edbi kho l\u01b0u tr\u1eef d\u1eef li\u1ec7u:<\/strong>B\u1ea1n ph\u1ea3i c\u00f3 d\u00f2ng ch\u1ea3y v\u00e0o kho l\u01b0u tr\u1eef \u0111\u1ec3 l\u01b0u d\u1eef li\u1ec7u, v\u00e0 d\u00f2ng ch\u1ea3y ra \u0111\u1ec3 \u0111\u1ecdc d\u1eef li\u1ec7u. B\u1ea1n kh\u00f4ng th\u1ec3 b\u1ecf qua b\u01b0\u1edbc quy tr\u00ecnh.<\/li>\n<li><strong>C\u00e2n b\u1eb1ng \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra:<\/strong>M\u1ed7i quy tr\u00ecnh ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t m\u1ed9t \u0111\u1ea7u v\u00e0o v\u00e0 m\u1ed9t \u0111\u1ea7u ra. M\u1ed9t quy tr\u00ecnh \u0103n d\u1eef li\u1ec7u nh\u01b0ng kh\u00f4ng t\u1ea1o ra g\u00ec l\u00e0 m\u1ed9t &#8220;h\u1ed1 \u0111en&#8221;. M\u1ed9t quy tr\u00ecnh t\u1ea1o ra d\u1eef li\u1ec7u t\u1eeb kh\u00f4ng c\u00f3 g\u00ec l\u00e0 m\u1ed9t &#8220;ph\u00e9p m\u00e0u&#8221;.\n<\/li>\n<\/ul>\n<h2>Giai \u0111o\u1ea1n 4: X\u1eed l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 ngo\u1ea1i l\u1ec7 \u26a0\ufe0f<\/h2>\n<p>Y\u00eau c\u1ea7u kinh doanh th\u1ef1c t\u1ebf hi\u1ebfm khi tuy\u1ebfn t\u00ednh. Ch\u00fang bao g\u1ed3m c\u00e1c quy\u1ebft \u0111\u1ecbnh, v\u00f2ng l\u1eb7p v\u00e0 ngo\u1ea1i l\u1ec7. M\u1ed9t s\u01a1 \u0111\u1ed3 DFD r\u00f5 r\u00e0ng ph\u1ea3i t\u00ednh \u0111\u1ebfn c\u00e1c t\u00ecnh hu\u1ed1ng n\u00e0y.<\/p>\n<h3>1. \u0110i\u1ec3m quy\u1ebft \u0111\u1ecbnh<\/h3>\n<p>Khi m\u1ed9t y\u00eau c\u1ea7u bao g\u1ed3m m\u1ed9t \u0111i\u1ec1u ki\u1ec7n, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cN\u1ebfu \u0111\u01a1n h\u00e0ng v\u01b0\u1ee3t qu\u00e1 1000 \u0111\u00f4 la, y\u00eau c\u1ea7u s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a qu\u1ea3n l\u00fd\u201d, \u0111i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t nh\u00e1nh \u0111\u01b0\u1eddng \u0111i.<\/p>\n<ul>\n<li><strong>D\u00f2ng ch\u1ea3y t\u00e1ch bi\u1ec7t:<\/strong>S\u1eed d\u1ee5ng c\u00e1c m\u0169i t\u00ean ri\u00eang bi\u1ec7t cho c\u00e1c k\u1ebft qu\u1ea3 kh\u00e1c nhau. G\u1eafn nh\u00e3n r\u00f5 r\u00e0ng (v\u00ed d\u1ee5: \u201c\u0110\u01b0\u1ee3c ch\u1ea5p thu\u1eadn\u201d so v\u1edbi \u201cB\u1ecb t\u1eeb ch\u1ed1i\u201d).<\/li>\n<li><strong>To\u00e1n t\u1eed logic:<\/strong>\u0110\u00f4i khi b\u1ea1n c\u1ea7n k\u1ebft h\u1ee3p c\u00e1c d\u00f2ng d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t \u0111i\u1ec3m chia nh\u00e1nh tr\u00ean \u0111\u01b0\u1eddng.<\/li>\n<\/ul>\n<h3>2. V\u00f2ng l\u1eb7p l\u1eb7p l\u1ea1i<\/h3>\n<p>M\u1ed9t s\u1ed1 quy tr\u00ecnh y\u00eau c\u1ea7u l\u1eb7p l\u1ea1i. V\u00ed d\u1ee5, m\u1ed9t ch\u1ee9c n\u0103ng \u201cT\u00ecm ki\u1ebfm s\u1ea3n ph\u1ea9m\u201d c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i cho \u0111\u1ebfn khi ng\u01b0\u1eddi d\u00f9ng t\u00ecm \u0111\u01b0\u1ee3c th\u1ee9 h\u1ecd c\u1ea7n.<\/p>\n<ul>\n<li><strong>V\u00f2ng ph\u1ea3n h\u1ed3i:<\/strong>V\u1ebd m\u1ed9t \u0111\u01b0\u1eddng t\u1eeb m\u1ed9t giai \u0111o\u1ea1n sau tr\u1edf l\u1ea1i m\u1ed9t qu\u00e1 tr\u00ecnh tr\u01b0\u1edbc \u0111\u00f3. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y vi\u1ec7c s\u1eeda \u0111\u1ed5i ho\u1eb7c th\u1eed l\u1ea1i.<\/li>\n<li><strong>K\u1ebft th\u00fac:<\/strong>\u0110\u1ea3m b\u1ea3o c\u00f3 \u0111\u01b0\u1eddng tho\u00e1t r\u00f5 r\u00e0ng \u0111\u1ec3 v\u00f2ng l\u1eb7p kh\u00f4ng ch\u1ea1y m\u00e3i m\u00e3i.<\/li>\n<\/ul>\n<h3>3. X\u00e1c th\u1ef1c d\u1eef li\u1ec7u<\/h3>\n<p>Y\u00eau c\u1ea7u th\u01b0\u1eddng x\u00e1c \u0111\u1ecbnh c\u00e1c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u. \u201c\u0110\u1ea3m b\u1ea3o \u0111\u1ecbnh d\u1ea1ng email h\u1ee3p l\u1ec7.\u201d<\/p>\n<ul>\n<li><strong>D\u00f2ng l\u1ed7i:<\/strong>T\u1ea1o m\u1ed9t lu\u1ed3ng c\u1ee5 th\u1ec3 cho d\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7. N\u00f3 n\u00ean \u0111i \u0111\u1ebfn nh\u1eadt k\u00fd l\u1ed7i ho\u1eb7c quay l\u1ea1i th\u1ef1c th\u1ec3 ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 s\u1eeda ch\u1eefa.<\/li>\n<li><strong>Quy tr\u00ecnh s\u1eeda ch\u1eefa:<\/strong>N\u1ebfu ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i s\u1eeda d\u1eef li\u1ec7u, h\u00e3y v\u1ebd m\u1ed9t quy tr\u00ecnh m\u1edbi cho \u201cS\u1eeda ch\u1eefa d\u1eef li\u1ec7u\u201d tr\u01b0\u1edbc khi quy tr\u00ecnh ban \u0111\u1ea7u ti\u1ebfp t\u1ee5c.<\/li>\n<\/ul>\n<h2>Giai \u0111o\u1ea1n 5: X\u00e1c minh v\u00e0 xem x\u00e9t \u2705<\/h2>\n<p>Sau khi s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c ph\u00e1c th\u1ea3o, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c minh. B\u01b0\u1edbc n\u00e0y \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u ban \u0111\u1ea7u v\u00e0 c\u00f3 t\u00ednh h\u1ee3p l\u00fd.<\/p>\n<h3>1. Tr\u00ecnh b\u00e0y v\u1edbi c\u00e1c b\u00ean li\u00ean quan<\/h3>\n<p>L\u00ean l\u1ecbch m\u1ed9t bu\u1ed5i h\u1ecdp v\u1edbi ng\u01b0\u1eddi d\u00f9ng kinh doanh. Kh\u00f4ng hi\u1ec3n th\u1ecb s\u01a1 \u0111\u1ed3 th\u00f4 cho h\u1ecd ngay l\u1eadp t\u1ee9c. Gi\u1ea3i th\u00edch c\u00e2u chuy\u1ec7n v\u1ec1 lu\u1ed3ng d\u1eef li\u1ec7u.<\/p>\n<ul>\n<li><strong>Theo d\u00f5i m\u1ed9t giao d\u1ecbch:<\/strong>Ch\u1ecdn m\u1ed9t t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: \u201cM\u1ed9t kh\u00e1ch h\u00e0ng m\u1edbi \u0111\u1eb7t h\u00e0ng\u201d). \u0110i qua t\u1eebng b\u01b0\u1edbc tr\u00ean s\u01a1 \u0111\u1ed3.<\/li>\n<li><strong>\u0110\u1eb7t c\u00e2u h\u1ecfi:<\/strong>\u201cD\u1eef li\u1ec7u c\u00f3 \u0111i \u0111\u1ebfn kho \u0111\u00fang \u1edf \u0111\u00e2y kh\u00f4ng?\u201d \u201cC\u00f3 b\u01b0\u1edbc n\u00e0o b\u1ecb thi\u1ebfu trong lu\u1ed3ng n\u00e0y kh\u00f4ng?\u201d<\/li>\n<li><strong>L\u1eafng nghe s\u1ef1 b\u1ed1i r\u1ed1i:<\/strong>N\u1ebfu m\u1ed9t b\u00ean li\u00ean quan do d\u1ef1, \u0111i\u1ec1u \u0111\u00f3 cho th\u1ea5y s\u1ef1 m\u01a1 h\u1ed3 trong s\u01a1 \u0111\u1ed3 ho\u1eb7c y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n<h3>2. Ki\u1ec3m tra t\u00ednh kh\u1ea3 thi k\u1ef9 thu\u1eadt<\/h3>\n<p>Sau khi x\u00e1c minh v\u1ec1 m\u1eb7t kinh doanh, h\u00e3y tham gia c\u00e1c tr\u01b0\u1edfng nh\u00f3m k\u1ef9 thu\u1eadt. H\u1ecd c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng tr\u1edf ng\u1ea1i ti\u1ec1m t\u00e0ng trong tri\u1ec3n khai.<\/p>\n<ul>\n<li><strong>Kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u:<\/strong>C\u00f3 lu\u1ed3ng n\u00e0o g\u1ee3i \u00fd vi\u1ec7c chuy\u1ec3n d\u1eef li\u1ec7u kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn c\u00f3 th\u1ec3 c\u1ea7n t\u1ed1i \u01b0u h\u00f3a kh\u00f4ng?<\/li>\n<li><strong>B\u1ea3o m\u1eadt:<\/strong>C\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m c\u00f3 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u00f4ng? S\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 hi\u1ec7n m\u00e3 h\u00f3a ho\u1eb7c ki\u1ec3m so\u00e1t truy c\u1eadp kh\u00f4ng?<\/li>\n<li><strong>Hi\u1ec7u su\u1ea5t:<\/strong>C\u00f3 qu\u00e1 nhi\u1ec1u quy tr\u00ecnh tu\u1ea7n t\u1ef1 c\u00f3 th\u1ec3 g\u00e2y ra \u0111i\u1ec3m ngh\u1ebdn kh\u00f4ng?<\/li>\n<\/ul>\n<h3>3. Ki\u1ec3m tra t\u00ednh nh\u1ea5t qu\u00e1n<\/h3>\n<p>\u0110\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 c\u1ea5p 1 c\u00e2n b\u1eb1ng v\u1edbi s\u01a1 \u0111\u1ed3 b\u1ed1i c\u1ea3nh.<\/p>\n<ul>\n<li><strong>Ph\u00f9 h\u1ee3p \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra:<\/strong> T\u1ed5ng l\u01b0\u1ee3ng d\u00f2ng \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra \u1edf m\u1ee9c 1 ph\u1ea3i kh\u1edbp v\u1edbi c\u00e1c d\u00f2ng trong s\u01a1 \u0111\u1ed3 b\u1ed1i c\u1ea3nh.<\/li>\n<li><strong>T\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a th\u1ef1c th\u1ec3:<\/strong> \u0110\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng c\u00f9ng t\u00ean th\u1ef1c th\u1ec3 \u1edf t\u1ea5t c\u1ea3 c\u00e1c m\u1ee9c c\u1ee7a s\u01a1 \u0111\u1ed3.<\/li>\n<\/ul>\n<h2>Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh \ud83d\udeab<\/h2>\n<p>Ngay c\u1ea3 nh\u1eefng nh\u00e0 ph\u00e2n t\u00edch c\u00f3 kinh nghi\u1ec7m c\u0169ng m\u1eafc sai l\u1ea7m. Vi\u1ec7c nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn s\u1ebd gi\u00fap b\u1ea1n duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a s\u01a1 \u0111\u1ed3.<\/p>\n<h3>1. B\u1eaby &#8216;D\u00f2ng \u0111i\u1ec1u khi\u1ec3n&#8217;<\/h3>\n<p>S\u01a1 \u0111\u1ed3 DFD th\u1ec3 hi\u1ec7n<em>d\u1eef li\u1ec7u<\/em>d\u00f2ng ch\u1ea3y, ch\u1ee9 kh\u00f4ng ph\u1ea3i<em>\u0111i\u1ec1u khi\u1ec3n<\/em>d\u00f2ng ch\u1ea3y. Kh\u00f4ng v\u1ebd m\u0169i t\u00ean \u0111\u1ec3 ch\u1ec9 \u201ckhi n\u00e0o\u201d \u0111i\u1ec1u g\u00ec x\u1ea3y ra. Ch\u1ec9 v\u1ebd m\u0169i t\u00ean cho d\u1eef li\u1ec7u \u0111ang di chuy\u1ec3n.<\/p>\n<ul>\n<li><strong>X\u1ea5u:<\/strong>M\u0169i t\u00ean ghi &#8216;B\u1eaft \u0111\u1ea7u&#8217; ch\u1ec9 v\u00e0o m\u1ed9t qu\u00e1 tr\u00ecnh.<\/li>\n<li><strong>T\u1ed1t:<\/strong>M\u1ed9t th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i g\u1eedi m\u1ed9t g\u00f3i d\u1eef li\u1ec7u y\u00eau c\u1ea7u &#8216;B\u1eaft \u0111\u1ea7u&#8217;.<\/li>\n<\/ul>\n<h3>2. L\u00e0m ph\u1ee9c t\u1ea1p h\u00f3a s\u01a1 \u0111\u1ed3<\/h3>\n<p>R\u1ea5t d\u1ec5 b\u1ecb c\u00e1m d\u1ed7 khi \u0111\u01b0a m\u1ecdi chi ti\u1ebft v\u00e0o m\u1ed9t trang. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ed9t s\u01a1 \u0111\u1ed3 &#8216;b\u00f9m b\u00f9m&#8217; m\u00e0 kh\u00f4ng ai c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c.<\/p>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng ph\u00e2n r\u00e3:<\/strong> N\u1ebfu m\u1ed9t qu\u00e1 tr\u00ecnh qu\u00e1 ph\u1ee9c t\u1ea1p, h\u00e3y t\u1ea1o m\u1ed9t s\u01a1 \u0111\u1ed3 con m\u1edbi cho n\u00f3.<\/li>\n<li><strong>T\u1eadp trung v\u00e0o logic:<\/strong> Kh\u00f4ng bao g\u1ed3m chi ti\u1ebft thi\u1ebft k\u1ebf giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng nh\u01b0 nh\u1ea5p n\u00fat. T\u1eadp trung v\u00e0o s\u1ef1 di chuy\u1ec3n d\u1eef li\u1ec7u c\u1ed1t l\u00f5i.<\/li>\n<\/ul>\n<h3>3. B\u1ecf qua c\u00e1c kho d\u1eef li\u1ec7u<\/h3>\n<p>M\u1ed9t s\u1ed1 s\u01a1 \u0111\u1ed3 ch\u1ec9 t\u1eadp trung v\u00e0o c\u00e1c qu\u00e1 tr\u00ecnh v\u00e0 b\u1ecf qua n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef. \u0110\u00e2y l\u00e0 m\u1ed9t sai s\u00f3t nghi\u00eam tr\u1ecdng.<\/p>\n<ul>\n<li><strong>Theo d\u00f5i t\u00ednh b\u1ec1n v\u1eefng:<\/strong> \u0110\u1ea3m b\u1ea3o m\u1ecdi ph\u1ea7n d\u1eef li\u1ec7u c\u1ea7n \u0111\u01b0\u1ee3c ghi nh\u1edb \u0111\u1ec1u c\u00f3 n\u01a1i l\u01b0u tr\u1eef.<\/li>\n<li><strong>\u0110\u1eb7t nh\u00e3n cho c\u00e1c kho:<\/strong> \u0110\u1eb7t t\u00ean r\u00f5 r\u00e0ng cho c\u00e1c kho d\u1eef li\u1ec7u (v\u00ed d\u1ee5: &#8216;Ng\u01b0\u1eddi d\u00f9ng \u0111ang ho\u1ea1t \u0111\u1ed9ng&#8217; so v\u1edbi &#8216;Ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 l\u01b0u tr\u1eef&#8217;).<\/li>\n<\/ul>\n<h3>4. G\u1ed9p c\u00e1c th\u1ef1c th\u1ec3<\/h3>\n<p>R\u1ea5t ph\u1ed5 bi\u1ebfn khi g\u1ed9p t\u1ea5t c\u1ea3 ng\u01b0\u1eddi d\u00f9ng v\u00e0o m\u1ed9t h\u1ed9p. Tuy nhi\u00ean, m\u1ed9t &#8216;Qu\u1ea3n l\u00fd&#8217; c\u00f3 y\u00eau c\u1ea7u d\u1eef li\u1ec7u kh\u00e1c v\u1edbi m\u1ed9t &#8216;Kh\u00e1ch h\u00e0ng&#8217;.<\/p>\n<ul>\n<li><strong>Ph\u00e2n bi\u1ec7t vai tr\u00f2:<\/strong>T\u00e1ch c\u00e1c th\u1ef1c th\u1ec3 n\u1ebfu \u0111\u1ea7u v\u00e0o ho\u1eb7c \u0111\u1ea7u ra d\u1eef li\u1ec7u c\u1ee7a ch\u00fang kh\u00e1c nhau \u0111\u00e1ng k\u1ec3.<\/li>\n<li><strong>B\u1ed1i c\u1ea3nh b\u1ea3o m\u1eadt:<\/strong>C\u00e1c th\u1ef1c th\u1ec3 kh\u00e1c nhau ng\u1ee5 \u00fd c\u00e1c m\u1ee9c truy c\u1eadp kh\u00e1c nhau. Gi\u1eef ch\u00fang ri\u00eang bi\u1ec7t \u0111\u1ec3 l\u1eadp k\u1ebf ho\u1ea1ch b\u1ea3o m\u1eadt.<\/li>\n<\/ul>\n<h2>Giai \u0111o\u1ea1n 6: B\u1ea3o tr\u00ec v\u00e0 ph\u00e1t tri\u1ec3n \ud83d\udd04<\/h2>\n<p>S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u kh\u00f4ng ph\u1ea3i l\u00e0 t\u00e0i li\u1ec7u giao n\u1ed9p m\u1ed9t l\u1ea7n. \u0110\u00f3 l\u00e0 t\u00e0i li\u1ec7u s\u1ed1ng \u0111\u1ed9ng c\u1ea7n ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi doanh nghi\u1ec7p.<\/p>\n<h3>1. Qu\u1ea3n l\u00fd thay \u0111\u1ed5i<\/h3>\n<p>Khi m\u1ed9t y\u00eau c\u1ea7u thay \u0111\u1ed5i, s\u01a1 \u0111\u1ed3 ph\u1ea3i thay \u0111\u1ed5i theo. \u0110\u1eebng c\u1eadp nh\u1eadt m\u00e3 ngu\u1ed3n m\u00e0 kh\u00f4ng c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3.<\/p>\n<ul>\n<li><strong>Ph\u00e2n t\u00edch t\u00e1c \u0111\u1ed9ng:<\/strong>N\u1ebfu th\u00eam m\u1ed9t ngu\u1ed3n d\u1eef li\u1ec7u m\u1edbi, h\u00e3y theo d\u00f5i n\u01a1i n\u00f3 \u0111i \u0111\u1ebfn. N\u00f3 c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c quy tr\u00ecnh hi\u1ec7n c\u00f3 kh\u00f4ng?<\/li>\n<li><strong>Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n:<\/strong>Gi\u1eef c\u00e1c phi\u00ean b\u1ea3n c\u1ee7a s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y gi\u00fap ki\u1ec3m to\u00e1n nh\u1eefng g\u00ec \u0111\u00e3 thay \u0111\u1ed5i v\u00e0 khi n\u00e0o.<\/li>\n<\/ul>\n<h3>2. T\u00edch h\u1ee3p t\u00e0i li\u1ec7u<\/h3>\n<p>S\u01a1 \u0111\u1ed3 c\u1ea7n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1eb1ng v\u0103n b\u1ea3n. S\u1eed d\u1ee5ng t\u1eeb \u0111i\u1ec3n d\u1eef li\u1ec7u \u0111\u1ec3 \u0111\u1ecbnh ngh\u0129a c\u00e1c tr\u01b0\u1eddng c\u1ee5 th\u1ec3 trong m\u1ed7i lu\u1ed3ng d\u1eef li\u1ec7u.<\/p>\n<ul>\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c tr\u01b0\u1eddng:<\/strong>N\u1ebfu m\u1ed9t lu\u1ed3ng l\u00e0 \u201cChi ti\u1ebft \u0111\u01a1n h\u00e0ng\u201d, h\u00e3y li\u1ec7t k\u00ea c\u00e1c tr\u01b0\u1eddng (v\u00ed d\u1ee5: SKU, S\u1ed1 l\u01b0\u1ee3ng, Gi\u00e1).<\/li>\n<li><strong>Li\u00ean k\u1ebft \u0111\u1ebfn t\u00e0i li\u1ec7u y\u00eau c\u1ea7u:<\/strong>Tham chi\u1ebfu s\u01a1 \u0111\u1ed3 trong t\u00e0i li\u1ec7u y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<h2>Suy ngh\u0129 cu\u1ed1i c\u00f9ng v\u1ec1 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng \ud83e\udde0<\/h2>\n<p>Chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u kinh doanh th\u00e0nh S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u l\u00e0 k\u1ef9 n\u0103ng then ch\u1ed1t trong ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 ki\u00ean nh\u1eabn, ch\u00fa \u00fd \u0111\u1ebfn chi ti\u1ebft v\u00e0 cam k\u1ebft v\u1edbi s\u1ef1 r\u00f5 r\u00e0ng. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c b\u01b0\u1edbc n\u00e0y, b\u1ea1n s\u1ebd t\u1ea1o ra b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf h\u01b0\u1edbng d\u1eabn ph\u00e1t tri\u1ec3n v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng \u0111\u00e1p \u1ee9ng m\u1ee5c ti\u00eau kinh doanh.<\/p>\n<p>H\u00e3y nh\u1edb r\u1eb1ng m\u1ee5c ti\u00eau kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ebd c\u00e1c \u0111\u01b0\u1eddng n\u1ed1i. M\u1ee5c ti\u00eau l\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng. Khi b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch lu\u1ed3ng d\u1eef li\u1ec7u cho m\u1ed9t b\u00ean li\u00ean quan kh\u00f4ng chuy\u00ean v\u1ec1 c\u00f4ng ngh\u1ec7, b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng. S\u1ef1 hi\u1ec3u bi\u1ebft chung n\u00e0y gi\u1ea3m thi\u1ec3u r\u1ee7i ro, ng\u0103n ng\u1eeba m\u1edf r\u1ed9ng ph\u1ea1m vi v\u00e0 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng cho m\u1ed9t d\u1ef1 \u00e1n th\u00e0nh c\u00f4ng.<\/p>\n<p>Gi\u1eef s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n s\u1ea1ch s\u1ebd, nh\u00e3n ch\u00ednh x\u00e1c v\u00e0 l\u1eadp lu\u1eadn h\u1ee3p l\u00fd. Xem s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u nh\u01b0 ngu\u1ed3n g\u1ed1c s\u1ef1 th\u1eadt v\u1ec1 c\u00e1ch th\u00f4ng tin di chuy\u1ec3n trong t\u1ed5 ch\u1ee9c c\u1ee7a b\u1ea1n. V\u1edbi th\u1ef1c h\u00e0nh, qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u00e0y tr\u1edf n\u00ean t\u1ef1 nhi\u00ean, gi\u00fap b\u1ea1n t\u1eadp trung v\u00e0o gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 kinh doanh ph\u1ee9c t\u1ea1p thay v\u00ec b\u1ecb l\u1ea1c trong chi ti\u1ebft k\u1ef9 thu\u1eadt.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1nh m\u1ebd \u0111\u00f2i h\u1ecfi nhi\u1ec1u h\u01a1n ch\u1ec9 vi\u1ec7c vi\u1ebft m\u00e3. N\u00f3 \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft ch\u00ednh x\u00e1c v\u1ec1 c\u00e1ch th\u00f4ng tin di chuy\u1ec3n&hellip;<\/p>\n","protected":false},"author":1,"featured_media":1851,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u01b0\u1edbng d\u1eabn chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u kinh doanh th\u00e0nh S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) \ud83d\udcca","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u kinh doanh th\u00e0nh S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u r\u00f5 r\u00e0ng. H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc cho thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, m\u00f4 h\u00ecnh h\u00f3a quy tr\u00ecnh v\u00e0 \u00e1nh x\u1ea1 d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng thi\u00ean v\u1ecb ph\u1ea7n m\u1ec1m.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[90],"tags":[87,89],"class_list":["post-1850","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dfd","tag-academic","tag-dfd"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>H\u01b0\u1edbng d\u1eabn chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u kinh doanh th\u00e0nh S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) \ud83d\udcca<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1ch chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u kinh doanh th\u00e0nh S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u r\u00f5 r\u00e0ng. H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc cho thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, m\u00f4 h\u00ecnh h\u00f3a quy tr\u00ecnh v\u00e0 \u00e1nh x\u1ea1 d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng thi\u00ean v\u1ecb ph\u1ea7n m\u1ec1m.\" \/>\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.tech-posts.com\/vi\/translate-business-requirements-data-flow-diagrams\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u01b0\u1edbng d\u1eabn chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u kinh doanh th\u00e0nh S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) \ud83d\udcca\" \/>\n<meta property=\"og:description\" content=\"H\u1ecdc c\u00e1ch chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u kinh doanh th\u00e0nh S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u r\u00f5 r\u00e0ng. 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