{"id":11108,"date":"2026-01-10T07:31:22","date_gmt":"2026-01-09T23:31:22","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/vn\/beginners-guide-to-gane-sarson-data-flow-diagrams\/"},"modified":"2026-01-10T07:31:22","modified_gmt":"2026-01-09T23:31:22","slug":"beginners-guide-to-gane-sarson-data-flow-diagrams","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/vn\/beginners-guide-to-gane-sarson-data-flow-diagrams\/","title":{"rendered":"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 Gane-Sarson"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u<\/h2>\n

S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 tr\u1ef1c quan h\u00f3a v\u00e0 hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n trong m\u1ed9t h\u1ec7 th\u1ed1ng th\u00f4ng tin doanh nghi\u1ec7p. Ch\u00fang gi\u00fap c\u00e1c nh\u00e0 ph\u00e2n t\u00edch v\u00e0 nh\u00e0 thi\u1ebft k\u1ebf m\u00f4 h\u00ecnh h\u00f3a c\u00e1c quy tr\u00ecnh, kho d\u1eef li\u1ec7u, lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i theo c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 c\u00f3 c\u1ea5u tr\u00fac. K\u00fd hi\u1ec7u Gane-Sarson, do Chris Gane v\u00e0 Trish Sarson gi\u1edbi thi\u1ec7u, l\u00e0 m\u1ed9t k\u00fd hi\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u. Trong h\u01b0\u1edbng d\u1eabn d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u cho b\u1ea1n nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 s\u01a1 \u0111\u1ed3 DFD Gane-Sarson v\u00e0 ch\u1ec9 cho b\u1ea1n c\u00e1ch h\u1ecdc qua c\u00e1c v\u00ed d\u1ee5 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u1ed9 s\u01b0u t\u1eadp m\u1eabu phong ph\u00fa c\u00f3 s\u1eb5n trong Visual Paradigm Online.<\/p>\n

\"Gane<\/p>\n

K\u00fd hi\u1ec7u Gane-Sarson l\u00e0 g\u00ec?<\/h2>\n

K\u00fd hi\u1ec7u Gane-Sarson l\u00e0 m\u1ed9t c\u00e1ch chu\u1ea9n h\u00f3a \u0111\u1ec3 bi\u1ec3u di\u1ec5n s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u. N\u00f3 cung c\u1ea5p m\u1ed9t ng\u00f4n ng\u1eef tr\u1ef1c quan r\u00f5 r\u00e0ng v\u00e0 nh\u1ea5t qu\u00e1n \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n trong m\u1ed9t h\u1ec7 th\u1ed1ng. K\u00fd hi\u1ec7u n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng th\u00f4ng tin, tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho c\u00e1c nh\u00e0 ph\u00e2n t\u00edch kinh doanh, nh\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m.<\/p>\n

C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Gane-Sarson<\/h2>\n

\u0110\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 DFD Gane-Sarson, b\u1ea1n c\u1ea7n hi\u1ec3u c\u00e1c th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu:<\/p>\n

1. Quy tr\u00ecnh:<\/strong><\/h3>\n

C\u00e1c quy tr\u00ecnh \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt trong s\u01a1 \u0111\u1ed3 DFD. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho c\u00e1c nhi\u1ec7m v\u1ee5 ho\u1eb7c ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 trong h\u1ec7 th\u1ed1ng. M\u1ed7i quy tr\u00ecnh c\u00f3 m\u1ed9t \u0111\u1ecbnh danh duy nh\u1ea5t v\u00e0 m\u1ed9t t\u00ean r\u00f5 r\u00e0ng m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3.<\/p>\n

2. Lu\u1ed3ng d\u1eef li\u1ec7u:<\/strong><\/h3>\n

Lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c m\u0169i t\u00ean k\u1ebft n\u1ed1i c\u00e1c quy tr\u00ecnh, kho d\u1eef li\u1ec7u v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho s\u1ef1 di chuy\u1ec3n c\u1ee7a d\u1eef li\u1ec7u t\u1eeb m\u1ed9t \u0111i\u1ec3m n\u00e0y sang \u0111i\u1ec3m kh\u00e1c trong h\u1ec7 th\u1ed1ng. C\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n \u0111\u1ec3 ch\u1ec9 lo\u1ea1i d\u1eef li\u1ec7u \u0111ang \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i.<\/p>\n

3. Kho d\u1eef li\u1ec7u:<\/strong><\/h3>\n

Kho d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00e1c \u0111\u01b0\u1eddng song song. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong h\u1ec7 th\u1ed1ng. Kho d\u1eef li\u1ec7u c\u00f3 th\u1ec3 bao g\u1ed3m c\u01a1 s\u1edf d\u1eef li\u1ec7u, t\u1ec7p tin ho\u1eb7c b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed l\u01b0u tr\u1eef n\u00e0o kh\u00e1c.<\/p>\n

4. C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i:<\/strong><\/h3>\n

C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i l\u00e0 c\u00e1c th\u1ef1c th\u1ec3 n\u1eb1m ngo\u00e0i h\u1ec7 th\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a. Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 ng\u01b0\u1eddi d\u00f9ng, c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c ho\u1eb7c b\u1ea5t k\u1ef3 ngu\u1ed3n ho\u1eb7c \u0111\u00edch d\u1eef li\u1ec7u b\u00ean ngo\u00e0i n\u00e0o. C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng h\u00ecnh vu\u00f4ng ho\u1eb7c h\u00ecnh ch\u1eef nh\u1eadt.<\/p>\n

5. T\u1eeb kho d\u1eef li\u1ec7u \u0111\u1ebfn lu\u1ed3ng d\u1eef li\u1ec7u:<\/strong><\/h3>\n

C\u00e1c kho d\u1eef li\u1ec7u k\u1ebft n\u1ed1i v\u1edbi c\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u b\u1eb1ng m\u1ed9t k\u00fd hi\u1ec7u c\u1ee5 th\u1ec3 \u0111\u1ec3 ch\u1ec9 c\u00e1c thao t\u00e1c \u0111\u1ecdc (truy xu\u1ea5t) v\u00e0 ghi (c\u1eadp nh\u1eadt) tr\u00ean kho d\u1eef li\u1ec7u.<\/p>\n

H\u1ecdc qua c\u00e1c v\u00ed d\u1ee5 v\u1edbi Visual Paradigm Online<\/h2>\n

Visual Paradigm Online<\/a> l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 DFD Gane-Sarson m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. N\u00f3 cung c\u1ea5p m\u1ed9t s\u1ed1m\u1eabu<\/a>v\u00e0 c\u00e1c t\u00ednh n\u0103ng tr\u1ef1c quan \u0111\u1ec3 gi\u00fap b\u1ea1n b\u1eaft \u0111\u1ea7u nhanh ch\u00f3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 h\u1ecdc qua c\u00e1c v\u00ed d\u1ee5 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng Visual Paradigm Online\"\"<\/p>\n

B\u01b0\u1edbc 1: \u0110\u0103ng k\u00fd v\u00e0 \u0111\u0103ng nh\u1eadp<\/h3>\n
    \n
  1. Truy c\u1eadp trang web Visual Paradigm Online v\u00e0 \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n n\u1ebfu b\u1ea1n ch\u01b0a c\u00f3.<\/li>\n
  2. \u0110\u0103ng nh\u1eadp v\u00e0o t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n \u0111\u1ec3 truy c\u1eadp c\u00e1c c\u00f4ng c\u1ee5 v\u1ebd s\u01a1 \u0111\u1ed3.<\/li>\n<\/ol>\n

    B\u01b0\u1edbc 2: Ch\u1ecdn m\u1eabu s\u01a1 \u0111\u1ed3 DFD Gane-Sarson<\/h3>\n
      \n
    1. Nh\u1ea5p v\u00e0o “T\u1ea1o s\u01a1 \u0111\u1ed3” ho\u1eb7c m\u1ed9t t\u00f9y ch\u1ecdn t\u01b0\u01a1ng t\u1ef1 tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n
    2. Ch\u1ecdn “S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u” ho\u1eb7c m\u1ed9t danh m\u1ee5c li\u00ean quan.<\/li>\n
    3. Ch\u1ecdn m\u1ed9t m\u1eabu s\u01a1 \u0111\u1ed3 DFD Gane-Sarson t\u1eeb c\u00e1c t\u00f9y ch\u1ecdn c\u00f3 s\u1eb5n. C\u00e1c m\u1eabu n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1eb5n v\u00e0 s\u1eb5n s\u00e0ng t\u00f9y ch\u1ec9nh.<\/li>\n<\/ol>\n

      B\u01b0\u1edbc 3: T\u00f9y ch\u1ec9nh s\u01a1 \u0111\u1ed3<\/h3>\n
        \n
      1. Sau khi \u0111\u00e3 ch\u1ecdn m\u1eabu, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u t\u00f9y ch\u1ec9nh b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c qu\u00e1 tr\u00ecnh, lu\u1ed3ng d\u1eef li\u1ec7u, kho d\u1eef li\u1ec7u v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i.<\/li>\n
      2. S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ch\u1ec9nh s\u1eeda do Visual Paradigm Online cung c\u1ea5p \u0111\u1ec3 \u0111\u00e1nh d\u1ea5u v\u00e0 k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n m\u1ed9t c\u00e1ch ph\u00f9 h\u1ee3p.<\/li>\n<\/ol>\n

        B\u01b0\u1edbc 4: Kh\u00e1m ph\u00e1 c\u00e1c v\u00ed d\u1ee5 v\u00e0 t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn<\/h3>\n
          \n
        1. Visual Paradigm Online cung c\u1ea5p t\u00e0i li\u1ec7u v\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u k\u00fd hi\u1ec7u Gane-Sarson v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t khi t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u.<\/li>\n
        2. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 nhi\u1ec1u s\u01a1 \u0111\u1ed3 v\u00ed d\u1ee5 \u0111\u1ec3 l\u1ea5y c\u1ea3m h\u1ee9ng v\u00e0 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch c\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf.<\/li>\n<\/ol>\n

          B\u01b0\u1edbc 5: L\u01b0u v\u00e0 chia s\u1ebb<\/h3>\n
            \n
          1. L\u01b0u c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n trong Visual Paradigm Online \u0111\u1ec3 truy c\u1eadp b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/li>\n
          2. Chia s\u1ebb s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n v\u1edbi c\u00e1c th\u00e0nh vi\u00ean trong nh\u00f3m ho\u1eb7c b\u00ean li\u00ean quan \u0111\u1ec3 h\u1ee3p t\u00e1c v\u00e0 nh\u1eadn ph\u1ea3n h\u1ed3i.<\/li>\n<\/ol>\n

            K\u1ebft lu\u1eadn<\/h2>\n

            S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Gane-Sarson cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u00f3 c\u1ea5u tr\u00fac v\u00e0 chu\u1ea9n h\u00f3a \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a lu\u1ed3ng d\u1eef li\u1ec7u trong c\u00e1c h\u1ec7 th\u1ed1ng th\u00f4ng tin. V\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a Visual Paradigm Online v\u00e0 b\u1ed9 s\u01b0u t\u1eadp m\u1eabu phong ph\u00fa c\u1ee7a n\u00f3, b\u1ea1n c\u00f3 th\u1ec3 nhanh ch\u00f3ng h\u1ecdc h\u1ecfi v\u00e0 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 cho c\u00e1c d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh. H\u00e3y nh\u1edb r\u1eb1ng th\u1ef1c h\u00e0nh v\u00e0 kh\u00e1m ph\u00e1 l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 th\u00e0nh th\u1ea1o k\u1ef9 thu\u1eadt qu\u00fd gi\u00e1 n\u00e0y trong ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

            Gi\u1edbi thi\u1ec7u S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 tr\u1ef1c quan h\u00f3a v\u00e0 hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n trong m\u1ed9t h\u1ec7 th\u1ed1ng th\u00f4ng tin doanh nghi\u1ec7p. Ch\u00fang gi\u00fap c\u00e1c nh\u00e0 ph\u00e2n t\u00edch v\u00e0 nh\u00e0 thi\u1ebft k\u1ebf m\u00f4 h\u00ecnh h\u00f3a c\u00e1c quy tr\u00ecnh, kho d\u1eef li\u1ec7u, lu\u1ed3ng d\u1eef li\u1ec7u […]<\/p>\n","protected":false},"author":1,"featured_media":11109,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[42],"tags":[],"class_list":["post-11108","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-diagram","loop-entry","clr"],"yoast_head":"\nH\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 Gane-Sarson - Visual Paradigm Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.visual-paradigm.com\/vn\/beginners-guide-to-gane-sarson-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 cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u Gane-Sarson - Visual Paradigm Blog\" \/>\n<meta property=\"og:description\" content=\"Gi\u1edbi thi\u1ec7u S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd \u0111\u1ec3 tr\u1ef1c quan h\u00f3a v\u00e0 hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n trong m\u1ed9t h\u1ec7 th\u1ed1ng th\u00f4ng tin doanh nghi\u1ec7p. 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