{"id":11124,"date":"2026-01-10T07:59:46","date_gmt":"2026-01-09T23:59:46","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/vn\/beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online\/"},"modified":"2026-01-10T07:59:46","modified_gmt":"2026-01-09T23:59:46","slug":"beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/vn\/beginners-guide-to-data-flow-diagrams-dfd-with-visual-paradigm-online\/","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 (DFD) v\u1edbi Visual Paradigm Online"},"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 tr\u1ef1c quan m\u1ea1nh m\u1ebd \u0111\u1ec3 bi\u1ec3u di\u1ec5n v\u00e0 ph\u00e2n t\u00edch lu\u1ed3ng d\u1eef li\u1ec7u trong m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1eb7c quy tr\u00ecnh. Ch\u00fang gi\u00fap hi\u1ec3u r\u00f5 c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n qua c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 quy tr\u00ecnh kh\u00e1c nhau, t\u1eeb \u0111\u00f3 d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ngh\u1ebdn, b\u1ea5t hi\u1ec7u qu\u1ea3 v\u00e0 c\u01a1 h\u1ed9i c\u1ea3i thi\u1ec7n. Trong h\u01b0\u1edbng d\u1eabn d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u \u0111\u1ebfn b\u1ea1n s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1ch t\u1ea1o ch\u00fang b\u1eb1ng Visual Paradigm Online, m\u1ed9t c\u00f4ng c\u1ee5 v\u1ebd s\u01a1 \u0111\u1ed3 linh ho\u1ea1t v\u1edbi b\u1ed9 s\u01b0u t\u1eadp m\u1eabu phong ph\u00fa.<\/p>\n

S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) l\u00e0 g\u00ec?<\/h2>\n

S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u l\u00e0 m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan v\u1ec1 c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd trong m\u1ed9t h\u1ec7 th\u1ed1ng. N\u00f3 minh h\u1ecda s\u1ef1 di chuy\u1ec3n c\u1ee7a d\u1eef li\u1ec7u gi\u1eefa c\u00e1c quy tr\u00ecnh, kho d\u1eef li\u1ec7u v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i kh\u00e1c nhau. C\u00e1c s\u01a1 \u0111\u1ed3 DFD s\u1eed d\u1ee5ng c\u00e1c k\u00fd hi\u1ec7u chu\u1ea9n \u0111\u1ec3 th\u1ec3 hi\u1ec7n lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 c\u00e1c bi\u1ebfn \u0111\u1ed5i m\u00e0 d\u1eef li\u1ec7u tr\u1ea3i qua khi di chuy\u1ec3n qua h\u1ec7 th\u1ed1ng.<\/p>\n

\"Online<\/p>\n

C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a s\u01a1 \u0111\u1ed3 DFD:<\/h3>\n
    \n
  1. C\u00e1c quy tr\u00ecnh:<\/strong> \u0110\u00e2y l\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng thao t\u00e1c d\u1eef li\u1ec7u. M\u1ed7i 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.<\/li>\n
  2. Kho d\u1eef li\u1ec7u:<\/strong> Kho d\u1eef li\u1ec7u bi\u1ec3u th\u1ecb n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong h\u1ec7 th\u1ed1ng. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt h\u1edf hai \u0111\u1ea7u.<\/li>\n
  3. Lu\u1ed3ng d\u1eef li\u1ec7u:<\/strong> Lu\u1ed3ng d\u1eef li\u1ec7u l\u00e0 c\u00e1c m\u0169i t\u00ean th\u1ec3 hi\u1ec7n s\u1ef1 di chuy\u1ec3n d\u1eef li\u1ec7u gi\u1eefa c\u00e1c quy tr\u00ecnh, kho d\u1eef li\u1ec7u v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i. Ch\u00fang ch\u1ec9 ra h\u01b0\u1edbng di chuy\u1ec3n c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n
  4. C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i:<\/strong> C\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i l\u00e0 ngu\u1ed3n ho\u1eb7c \u0111\u00edch c\u1ee7a d\u1eef li\u1ec7u t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. Ch\u00fang \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng h\u00ecnh ch\u1eef nh\u1eadt c\u00f3 c\u00e1c g\u00f3c bo tr\u00f2n.<\/li>\n<\/ol>\n

    L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u v\u1edbi Visual Paradigm Online<\/h2>\n

    Visual Paradigm Online l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 v\u1ebd s\u01a1 \u0111\u1ed3 tr\u1ef1c tuy\u1ebfn th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, cung c\u1ea5p b\u1ed9 s\u01b0u t\u1eadp l\u1edbn c\u00e1c m\u1eabu, bao g\u1ed3m c\u1ea3 c\u00e1c m\u1eabu DFD, gi\u00fap b\u1ea1n b\u1eaft \u0111\u1ea7u nhanh ch\u00f3ng.<\/p>\n

    B\u01b0\u1edbc 1: \u0110\u0103ng k\u00fd ho\u1eb7c \u0111\u0103ng nh\u1eadp<\/h3>\n
      \n
    1. Truy c\u1eadp trang web Visual Paradigm Online<\/a>.<\/li>\n
    2. \u0110\u0103ng k\u00fd t\u00e0i kho\u1ea3n m\u1edbi ho\u1eb7c \u0111\u0103ng nh\u1eadp<\/a>n\u1ebfu b\u1ea1n \u0111\u00e3 c\u00f3 t\u00e0i kho\u1ea3n.<\/li>\n<\/ol>\n

      B\u01b0\u1edbc 2: T\u1ea1o s\u01a1 \u0111\u1ed3 DFD m\u1edbi<\/h3>\n
        \n
      1. Sau khi \u0111\u0103ng nh\u1eadp, nh\u1ea5n n\u00fat “T\u1ea1o m\u1edbi”.<\/li>\n
      2. Ch\u1ecdn “S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u” trong danh m\u1ee5c s\u01a1 \u0111\u1ed3.<\/li>\n<\/ol>\n

        B\u01b0\u1edbc 3: Th\u00eam c\u00e1c th\u00e0nh ph\u1ea7n<\/h3>\n
          \n
        1. B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c quy tr\u00ecnh, kho d\u1eef li\u1ec7u v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i v\u00e0o s\u01a1 \u0111\u1ed3 DFD c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch k\u00e9o v\u00e0 th\u1ea3 ch\u00fang t\u1eeb b\u1ea3ng c\u00f4ng c\u1ee5 l\u00ean b\u1ea3ng v\u1ebd.<\/li>\n
        2. K\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y b\u1eb1ng c\u00e1c m\u0169i t\u00ean lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u1ec3 th\u1ec3 hi\u1ec7n lu\u1ed3ng d\u1eef li\u1ec7u gi\u1eefa ch\u00fang.<\/li>\n<\/ol>\n

          B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh quy tr\u00ecnh v\u00e0 d\u1eef li\u1ec7u<\/h3>\n
            \n
          1. Nh\u1ea5p \u0111\u00fap v\u00e0o m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u1ec3 \u0111\u1eb7t cho n\u00f3 m\u1ed9t t\u00ean c\u00f3 \u00fd ngh\u0129a v\u00e0 m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3.<\/li>\n
          2. T\u01b0\u01a1ng t\u1ef1, nh\u1ea5p \u0111\u00fap v\u00e0o c\u00e1c kho d\u1eef li\u1ec7u \u0111\u1ec3 \u0111\u1eb7t t\u00ean v\u00e0 m\u00f4 t\u1ea3 d\u1eef li\u1ec7u m\u00e0 ch\u00fang l\u01b0u tr\u1eef.<\/li>\n<\/ol>\n

            B\u01b0\u1edbc 5: Tinh ch\u1ec9nh v\u00e0 S\u1eafp x\u1ebfp<\/h3>\n
              \n
            1. S\u1eafp x\u1ebfp c\u00e1c th\u00e0nh ph\u1ea7n DFD c\u1ee7a b\u1ea1n theo c\u00e1ch h\u1ee3p l\u00fd v\u00e0 c\u00f3 t\u1ed5 ch\u1ee9c \u0111\u1ec3 l\u00e0m cho s\u01a1 \u0111\u1ed3 d\u1ec5 hi\u1ec3u h\u01a1n.<\/li>\n
            2. S\u1eed d\u1ee5ng m\u00e3 m\u00e0u ho\u1eb7c nh\u00e3n b\u1ed5 sung \u0111\u1ec3 t\u0103ng \u0111\u1ed9 r\u00f5 r\u00e0ng n\u1ebfu c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n

              B\u01b0\u1edbc 6: L\u01b0u v\u00e0 Chia s\u1ebb<\/h3>\n
                \n
              1. L\u01b0u s\u01a1 \u0111\u1ed3 DFD c\u1ee7a b\u1ea1n trong Visual Paradigm Online.<\/li>\n
              2. Chia s\u1ebb n\u00f3 v\u1edbi \u0111\u1ed3ng nghi\u1ec7p ho\u1eb7c c\u1ed9ng s\u1ef1 b\u1eb1ng c\u00e1ch t\u1ea1o li\u00ean k\u1ebft chia s\u1ebb ho\u1eb7c xu\u1ea5t n\u00f3 d\u01b0\u1edbi nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau.<\/li>\n<\/ol>\n

                H\u1ecdc qua c\u00e1c v\u00ed d\u1ee5 v\u1edbi c\u00e1c m\u1eabu c\u1ee7a Visual Paradigm Online<\/h2>\n

                Visual Paradigm Online<\/a> cung c\u1ea5p nhi\u1ec1u m\u1eabu DFD cho c\u00e1c ng\u00e0nh v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c nhau. H\u1ecdc qua v\u00ed d\u1ee5 l\u00e0 c\u00e1ch tuy\u1ec7t v\u1eddi \u0111\u1ec3 hi\u1ec3u c\u00e1ch t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 DFD hi\u1ec7u qu\u1ea3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c m\u1eabu\"\"<\/p>\n

                  \n
                1. Trong Visual Paradigm Online, nh\u1ea5p v\u00e0o n\u00fat \u201cTh\u01b0 vi\u1ec7n M\u1eabu\u201d.<\/li>\n
                2. Duy\u1ec7t qua c\u00e1c m\u1eabu DFD c\u00f3 s\u1eb5n, v\u00e0 ch\u1ecdn m\u1ed9t m\u1eabu ph\u00f9 h\u1ee3p v\u1edbi d\u1ef1 \u00e1n ho\u1eb7c nhu c\u1ea7u h\u1ecdc t\u1eadp c\u1ee7a b\u1ea1n.<\/li>\n
                3. Nh\u1ea5p v\u00e0o m\u1ed9t m\u1eabu \u0111\u1ec3 m\u1edf n\u00f3.<\/li>\n
                4. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda m\u1eabu \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh ho\u1eb7c s\u1eed d\u1ee5ng n\u00f3 nh\u01b0 m\u1ed9t tham chi\u1ebfu \u0111\u1ec3 t\u1ea1o c\u00e1c s\u01a1 \u0111\u1ed3 DFD c\u1ee7a ri\u00eang b\u1ea1n.<\/li>\n<\/ol>\n

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

                  S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u l\u00e0 c\u00f4ng c\u1ee5 v\u00f4 gi\u00e1 \u0111\u1ec3 hi\u1ec3u v\u00e0 c\u1ea3i thi\u1ec7n lu\u1ed3ng d\u1eef li\u1ec7u trong m\u1ed9t h\u1ec7 th\u1ed1ng. Visual Paradigm Online \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh t\u1ea1o s\u01a1 \u0111\u1ed3 DFD, v\u00e0 th\u01b0 vi\u1ec7n m\u1eabu phong ph\u00fa c\u1ee7a n\u00f3 cho ph\u00e9p b\u1ea1n h\u1ecdc qua v\u00ed d\u1ee5 v\u00e0 b\u1eaft \u0111\u1ea7u v\u1ebd s\u01a1 \u0111\u1ed3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. D\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u hay m\u1ed9t chuy\u00ean gia c\u00f3 kinh nghi\u1ec7m, vi\u1ec7c th\u00e0nh th\u1ea1o s\u01a1 \u0111\u1ed3 DFD s\u1ebd gi\u00fap n\u00e2ng cao \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch v\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng v\u00e0 quy tr\u00ecnh.<\/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 tr\u1ef1c quan m\u1ea1nh m\u1ebd \u0111\u1ec3 bi\u1ec3u di\u1ec5n v\u00e0 ph\u00e2n t\u00edch lu\u1ed3ng d\u1eef li\u1ec7u trong m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1eb7c quy tr\u00ecnh. Ch\u00fang gi\u00fap hi\u1ec3u r\u00f5 c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n qua c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 quy tr\u00ecnh kh\u00e1c nhau, t\u1eeb \u0111\u00f3 d\u1ec5 d\u00e0ng x\u00e1c […]<\/p>\n","protected":false},"author":1,"featured_media":11125,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[42],"tags":[],"class_list":["post-11124","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 (DFD) v\u1edbi Visual Paradigm Online - 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-data-flow-diagrams-dfd-with-visual-paradigm-online\/\" \/>\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 (DFD) v\u1edbi Visual Paradigm Online - 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 tr\u1ef1c quan m\u1ea1nh m\u1ebd \u0111\u1ec3 bi\u1ec3u di\u1ec5n v\u00e0 ph\u00e2n t\u00edch lu\u1ed3ng d\u1eef li\u1ec7u trong m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1eb7c quy tr\u00ecnh. 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