{"id":932,"date":"2026-03-22T09:01:56","date_gmt":"2026-03-22T09:01:56","guid":{"rendered":"https:\/\/www.visualize-ai.com\/vi\/best-practices-clean-flow-documentation\/"},"modified":"2026-03-22T09:01:56","modified_gmt":"2026-03-22T09:01:56","slug":"best-practices-clean-flow-documentation","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/vi\/best-practices-clean-flow-documentation\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn DFD: C\u00e1c Th\u1ef1c Ti\u1ec5n T\u1ed1t Nh\u1ea5t cho T\u00e0i Li\u1ec7u D\u00f2ng D\u1eef Li\u1ec7u S\u1ea1ch"},"content":{"rendered":"
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\"Child-style<\/figure>\n<\/div>\n
Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3 ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o giao ti\u1ebfp r\u00f5 r\u00e0ng. C\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf \u0111\u1ec3 hi\u1ec3u c\u00e1ch th\u00f4ng tin di chuy\u1ec3n qua m\u1ed9t h\u1ec7 th\u1ed1ng. Khi c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y b\u1ecb l\u1ed9n x\u1ed9n ho\u1eb7c kh\u00f4ng nh\u1ea5t qu\u00e1n, ch\u00fang s\u1ebd che gi\u1ea5u logic thay v\u00ec l\u00e0m r\u00f5 n\u00f3. T\u00e0i li\u1ec7u lu\u1ed3ng d\u1eef li\u1ec7u s\u1ea1ch s\u1ebd l\u00e0 c\u1ea7u n\u1ed1i gi\u1eefa \u0111\u1ed9 ph\u1ee9c t\u1ea1p k\u1ef9 thu\u1eadt v\u00e0 s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a con ng\u01b0\u1eddi. H\u01b0\u1edbng d\u1eabn n\u00e0y n\u00eau ra c\u00e1c ti\u00eau chu\u1ea9n c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ch\u00ednh x\u00e1c, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 d\u1ec5 hi\u1ec3u.<\/p>\n

T\u00ednh r\u00f5 r\u00e0ng trong t\u00e0i li\u1ec7u gi\u00fap gi\u1ea3m th\u1eddi gian gi\u1ea3i th\u00edch ki\u1ebfn tr\u00fac cho c\u00e1c th\u00e0nh vi\u00ean m\u1edbi trong nh\u00f3m. N\u00f3 c\u0169ng gi\u1ea3m thi\u1ec3u r\u1ee7i ro sai s\u00f3t logic trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c quy \u01b0\u1edbc \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, c\u00e1c nh\u00f3m \u0111\u1ea3m b\u1ea3o r\u1eb1ng bi\u1ec3u di\u1ec5n tr\u1ef1c quan kh\u1edbp v\u1edbi h\u00e0nh vi th\u1ef1c t\u1ebf c\u1ee7a ph\u1ea7n m\u1ec1m. C\u00e1c ph\u1ea7n ti\u1ebfp theo s\u1ebd chi ti\u1ebft c\u00e1c th\u1ef1c h\u00e0nh c\u1ee5 th\u1ec3 g\u00f3p ph\u1ea7n t\u1ea1o n\u00ean t\u00e0i li\u1ec7u lu\u1ed3ng d\u1eef li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n

1. Quy \u01b0\u1edbc \u0110\u1eb7t T\u00ean \u0111\u1ec3 \u0110\u1ea3m B\u1ea3o Nh\u1ea5t Qu\u00e1n \ud83c\udff7\ufe0f<\/h2>\n

\u0110\u1eb7t t\u00ean l\u00e0 n\u1ec1n t\u1ea3ng cho t\u00ednh d\u1ec5 \u0111\u1ecdc. C\u00e1c nh\u00e3n m\u01a1 h\u1ed3 bu\u1ed9c ng\u01b0\u1eddi \u0111\u1ecdc ph\u1ea3i suy \u0111o\u00e1n ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ea7n. C\u00e1c quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean nh\u1ea5t qu\u00e1n gi\u00fap c\u00e1c b\u00ean li\u00ean quan di chuy\u1ec3n qua c\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng c\u1ea7n li\u00ean t\u1ee5c tham kh\u1ea3o bi\u1ec3u t\u01b0\u1ee3ng hay t\u1eeb \u0111i\u1ec3n b\u00ean ngo\u00e0i.<\/p>\n

Nh\u00e3n Quy Tr\u00ecnh<\/h3>\n

C\u00e1c quy tr\u00ecnh \u0111\u1ea1i di\u1ec7n cho c\u00e1c h\u00e0nh \u0111\u1ed9ng ho\u1eb7c bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u. M\u1ed7i nh\u00e3n quy tr\u00ecnh ph\u1ea3i tu\u00e2n theo c\u1ea5u tr\u00fac \u0110\u1ed9ng t\u1eeb – Danh t\u1eeb. \u0110\u1ecbnh d\u1ea1ng n\u00e0y ngay l\u1eadp t\u1ee9c truy\u1ec1n \u0111\u1ea1t \u0111i\u1ec1u g\u00ec \u0111ang x\u1ea3y ra v\u00e0 d\u1eef li\u1ec7u n\u00e0o tham gia.<\/p>\n

    \n
  • T\u1ed1t:<\/strong> T\u00ednh Thu\u1ebf, X\u00e1c th\u1ef1c Ng\u01b0\u1eddi d\u00f9ng, T\u1ea1o B\u00e1o c\u00e1o<\/li>\n
  • X\u1ea5u:<\/strong> Thu\u1ebf, Ng\u01b0\u1eddi d\u00f9ng, B\u00e1o c\u00e1o<\/li>\n<\/ul>\n

    Ch\u1ec9 d\u00f9ng danh t\u1eeb khi\u1ebfn vi\u1ec7c kh\u00f4ng r\u00f5 r\u00e0ng li\u1ec7u h\u00ecnh d\u1ea1ng \u0111\u00f3 \u0111\u1ea1i di\u1ec7n cho l\u01b0u tr\u1eef hay m\u1ed9t h\u00e0nh \u0111\u1ed9ng. \u0110\u1ed9ng t\u1eeb ng\u1ee5 \u00fd ho\u1ea1t \u0111\u1ed9ng. N\u1ebfu m\u1ed9t h\u00ecnh d\u1ea1ng l\u00e0 h\u00ecnh ch\u1eef nh\u1eadt ho\u1eb7c h\u00ecnh tr\u00f2n \u0111\u1ea1i di\u1ec7n cho m\u1ed9t quy tr\u00ecnh, v\u0103n b\u1ea3n b\u00ean trong ph\u1ea3i m\u00f4 t\u1ea3 h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean d\u1eef li\u1ec7u \u0111ang ch\u1ea3y qua n\u00f3.<\/p>\n

    T\u00ean Kho D\u1eef Li\u1ec7u<\/h3>\n

    C\u00e1c kho d\u1eef li\u1ec7u \u0111\u1ea1i di\u1ec7n cho n\u01a1i th\u00f4ng tin \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef. Ch\u00fang ch\u1ec9 n\u00ean d\u00f9ng c\u1ee5m danh t\u1eeb. Tr\u00e1nh d\u00f9ng \u0111\u1ed9ng t\u1eeb trong t\u00ean kho, v\u00ec l\u01b0u tr\u1eef l\u00e0 th\u1ee5 \u0111\u1ed9ng. D\u00f9ng t\u00ean ph\u1ea3n \u00e1nh n\u1ed9i dung thay v\u00ec thao t\u00e1c.<\/p>\n

      \n
    • T\u1ed1t:<\/strong> H\u1ed3 s\u01a1 Kh\u00e1ch h\u00e0ng, Nh\u1eadt k\u00fd Giao d\u1ecbch, C\u01a1 s\u1edf d\u1eef li\u1ec7u Kho h\u00e0ng<\/li>\n
    • X\u1ea5u:<\/strong> L\u01b0u Kh\u00e1ch h\u00e0ng, L\u01b0u Kho h\u00e0ng<\/li>\n<\/ul>\n

      Nh\u1ea5t qu\u00e1n \u1edf \u0111\u00e2y gi\u00fap ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa n\u01a1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u00e0 \u0111i\u1ec1u g\u00ec x\u1ea3y ra v\u1edbi n\u00f3. N\u1ebfu m\u1ed9t s\u01a1 \u0111\u1ed3 hi\u1ec3n th\u1ecb m\u1ed9t quy tr\u00ecnh t\u00ean l\u00e0 \u201cL\u01b0u Kh\u00e1ch h\u00e0ng\u201d v\u00e0 m\u1ed9t kho t\u00ean l\u00e0 \u201cH\u1ed3 s\u01a1 Kh\u00e1ch h\u00e0ng\u201d, s\u1ef1 ph\u00e2n bi\u1ec7t l\u00e0 r\u00f5 r\u00e0ng. N\u1ebfu c\u1ea3 hai \u0111\u1ec1u l\u00e0 danh t\u1eeb, s\u1ebd g\u00e2y nh\u1ea7m l\u1eabn.<\/p>\n

      T\u00ean Sinh t\u1ed1 B\u00ean Ngo\u00e0i<\/h3>\n

      C\u00e1c sinh t\u1ed1 b\u00ean ngo\u00e0i l\u00e0 ngu\u1ed3n ho\u1eb7c \u0111\u00edch n\u1eb1m ngo\u00e0i ranh gi\u1edbi h\u1ec7 th\u1ed1ng. \u0110\u1eb7t t\u00ean cho ch\u00fang b\u1eb1ng vai tr\u00f2 c\u1ee5 th\u1ec3 ho\u1eb7c h\u1ec7 th\u1ed1ng m\u00e0 ch\u00fang \u0111\u1ea1i di\u1ec7n. Tr\u00e1nh d\u00f9ng c\u00e1c thu\u1eadt ng\u1eef chung nh\u01b0 \u201cNg\u01b0\u1eddi d\u00f9ng\u201d tr\u1eeb khi h\u1ec7 th\u1ed1ng x\u1eed l\u00fd nhi\u1ec1u lo\u1ea1i ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau c\u1ea7n ph\u00e2n bi\u1ec7t.<\/p>\n

      2. Qu\u1ea3n L\u00fd Th\u1ee9 T\u1ef1 S\u01a1 \u0110\u1ed3 \ud83d\udcda<\/h2>\n

      M\u1ed9t s\u01a1 \u0111\u1ed3 duy nh\u1ea5t hi\u1ebfm khi c\u00f3 th\u1ec3 n\u1eafm b\u1eaft to\u00e0n b\u1ed9 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i. Vi\u1ec7c c\u1ed1 g\u1eafng \u0111\u01b0a m\u1ecdi chi ti\u1ebft v\u00e0o m\u1ed9t g\u00f3c nh\u00ecn s\u1ebd d\u1eabn \u0111\u1ebfn l\u1ed9n x\u1ed9n. Ph\u00e2n r\u00e3 theo c\u1ea5p \u0111\u1ed9 cho ph\u00e9p b\u1ea1n chia h\u1ec7 th\u1ed1ng th\u00e0nh c\u00e1c l\u1edbp d\u1ec5 qu\u1ea3n l\u00fd. M\u1ed7i l\u1edbp cung c\u1ea5p m\u1ed9t m\u1ee9c \u0111\u1ed9 chi ti\u1ebft kh\u00e1c nhau.<\/p>\n

      M\u1ee9c B\u1ed1i C\u1ea3nh (M\u1ee9c 0)<\/h3>\n

      S\u01a1 \u0111\u1ed3 B\u1ed1i c\u1ea3nh cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan \u1edf c\u1ea5p \u0111\u1ed9 cao nh\u1ea5t. N\u00f3 th\u1ec3 hi\u1ec7n to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng nh\u01b0 m\u1ed9t quy tr\u00ecnh duy nh\u1ea5t v\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a n\u00f3 v\u1edbi c\u00e1c sinh t\u1ed1 b\u00ean ngo\u00e0i. \u1ede c\u1ea5p \u0111\u1ed9 n\u00e0y kh\u00f4ng c\u00f3 quy tr\u00ecnh n\u1ed9i b\u1ed9 hay kho d\u1eef li\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb. N\u00f3 x\u00e1c \u0111\u1ecbnh r\u00f5 ranh gi\u1edbi c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

        \n
      • M\u1ed9t quy tr\u00ecnh trung t\u00e2m \u0111\u1ea1i di\u1ec7n cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/li>\n
      • T\u1ea5t c\u1ea3 c\u00e1c sinh t\u1ed1 b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi quy tr\u00ecnh n\u00e0y.<\/li>\n
      • Ch\u1ec9 c\u00f3 c\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u ch\u00ednh v\u00e0o ho\u1eb7c ra kh\u1ecfi h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n

        M\u1ee9c 0 v\u00e0 Cao H\u01a1n<\/h3>\n

        S\u01a1 \u0111\u1ed3 M\u1ee9c 0 ph\u00e2n r\u00e3 quy tr\u00ecnh trung t\u00e2m t\u1eeb S\u01a1 \u0111\u1ed3 B\u1ed1i c\u1ea3nh th\u00e0nh c\u00e1c quy tr\u00ecnh con ch\u00ednh. \u0110\u00e2y l\u00e0 n\u01a1i c\u00e1c kho d\u1eef li\u1ec7u v\u00e0 lu\u1ed3ng n\u1ed9i b\u1ed9 l\u1ea7n \u0111\u1ea7u ti\u00ean xu\u1ea5t hi\u1ec7n. Khi b\u1ea1n di chuy\u1ec3n sang M\u1ee9c 1, M\u1ee9c 2, v.v., b\u1ea1n s\u1ebd \u0111i s\u00e2u h\u01a1n v\u00e0o c\u00e1c quy tr\u00ecnh con c\u1ee5 th\u1ec3.<\/p>\n

        Quy t\u1eafc ch\u00ednh: M\u1ed9t kho d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea1o \u1edf M\u1ee9c 1 kh\u00f4ng \u0111\u01b0\u1ee3c xu\u1ea5t hi\u1ec7n trong s\u01a1 \u0111\u1ed3 M\u1ee9c 0, tr\u1eeb khi n\u00f3 n\u1eb1m r\u00f5 r\u00e0ng trong ranh gi\u1edbi b\u00ean ngo\u00e0i. Vi\u1ec7c l\u01b0u tr\u1eef n\u1ed9i b\u1ed9 s\u1ebd \u0111\u01b0\u1ee3c \u1ea9n \u0111i cho \u0111\u1ebfn khi b\u1ea1n ph\u00f3ng to. \u0110i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba qu\u00e1 t\u1ea3i nh\u1eadn th\u1ee9c cho ng\u01b0\u1eddi \u0111\u1ecdc.<\/p>\n

        Nh\u1ea5t qu\u00e1n gi\u1eefa C\u00e1c M\u1ee9c<\/h3>\n

        Khi ph\u00e2n t\u00edch m\u1ed9t quy tr\u00ecnh, h\u00e3y \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra kh\u1edbp v\u1edbi quy tr\u00ecnh cha. N\u1ebfu quy tr\u00ecnh cha nh\u1eadn \u0111\u01b0\u1ee3c “D\u1eef li\u1ec7u \u0110\u01a1n h\u00e0ng”, c\u00e1c quy tr\u00ecnh con ph\u1ea3i c\u00f9ng nhau gi\u1ea3i th\u00edch \u0111\u1ea7u v\u00e0o \u0111\u00f3. Kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i m\u1edbi trong c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5p th\u1ea5p h\u01a1n n\u1ebfu ch\u00fang kh\u00f4ng xu\u1ea5t hi\u1ec7n \u1edf c\u1ea5p \u0111\u1ed9 cha.<\/p>\n

        3. Ti\u00eau chu\u1ea9n tr\u1ef1c quan v\u00e0 h\u00ecnh h\u1ecdc \ud83d\udcd0<\/h2>\n

        T\u00ednh nh\u1ea5t qu\u00e1n tr\u1ef1c quan gi\u00fap nh\u1eadn di\u1ec7n nhanh ch\u00f3ng. Ng\u01b0\u1eddi d\u00f9ng n\u00ean c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft m\u1ed9t kho d\u1eef li\u1ec7u ho\u1eb7c m\u1ed9t quy tr\u00ecnh trong v\u00e0i mili gi\u00e2y d\u1ef1a tr\u00ean h\u00ecnh d\u1ea1ng v\u00e0 m\u00e0u s\u1eafc. Vi\u1ec7c chu\u1ea9n h\u00f3a c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y gi\u00fap gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c khi xem x\u00e9t s\u01a1 \u0111\u1ed3.<\/p>\n

        H\u00ecnh d\u1ea1ng v\u00e0 bi\u1ec3u t\u01b0\u1ee3ng<\/h3>\n

        M\u1eb7c d\u00f9 phong c\u00e1ch c\u00f3 th\u1ec3 kh\u00e1c nhau, nh\u01b0ng \u00fd ngh\u0129a c\u1ee7a c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef \u1ed5n \u0111\u1ecbnh tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c s\u01a1 \u0111\u1ed3 trong m\u1ed9t d\u1ef1 \u00e1n.<\/p>\n\n\n\n\n\n\n\n\n
        H\u00ecnh d\u1ea1ng<\/th>\n\u0110\u1ea1i di\u1ec7n cho<\/th>\nPhong c\u00e1ch nh\u00e3n<\/th>\n<\/tr>\n<\/thead>\n
        H\u00ecnh tr\u00f2n ho\u1eb7c h\u00ecnh ch\u1eef nh\u1eadt bo tr\u00f2n<\/td>\nQuy tr\u00ecnh<\/td>\n\u0110\u1ed9ng t\u1eeb + Danh t\u1eeb<\/td>\n<\/tr>\n
        H\u00ecnh ch\u1eef nh\u1eadt h\u1edf ho\u1eb7c c\u00e1c \u0111\u01b0\u1eddng song song<\/td>\nKho d\u1eef li\u1ec7u<\/td>\nC\u1ee5m danh t\u1eeb<\/td>\n<\/tr>\n
        H\u00ecnh ch\u1eef nh\u1eadt<\/td>\nTh\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i<\/td>\nDanh t\u1eeb (Vai tr\u00f2\/H\u1ec7 th\u1ed1ng)<\/td>\n<\/tr>\n
        M\u0169i t\u00ean<\/td>\nD\u00f2ng d\u1eef li\u1ec7u<\/td>\nC\u1ee5m danh t\u1eeb (N\u1ed9i dung)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        Ch\u00e9o nhau v\u00e0 \u0111\u1ecbnh tuy\u1ebfn \u0111\u01b0\u1eddng<\/h3>\n

        C\u00e1c \u0111\u01b0\u1eddng kh\u00f4ng n\u00ean ch\u00e9o nhau m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft. C\u00e1c \u0111\u01b0\u1eddng ch\u00e9o nhau t\u1ea1o ra ti\u1ebfng \u1ed3n th\u1ecb gi\u00e1c v\u00e0 l\u00e0m kh\u00f3 theo d\u00f5i m\u1ed9t lu\u1ed3ng c\u1ee5 th\u1ec3. S\u1eed d\u1ee5ng \u0111\u1ecbnh tuy\u1ebfn vu\u00f4ng g\u00f3c (g\u00f3c 90 \u0111\u1ed9) cho c\u00e1c k\u1ebft n\u1ed1i. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra v\u1ebb ngo\u00e0i gi\u1ed1ng nh\u01b0 l\u01b0\u1edbi, d\u1ec5 qu\u00e9t h\u01a1n.<\/p>\n

        N\u1ebfu c\u00e1c \u0111\u01b0\u1eddng ph\u1ea3i ch\u00e9o nhau, \u0111\u1eebng g\u1ed9p ch\u00fang l\u1ea1i. S\u1eed d\u1ee5ng bi\u1ec3u t\u01b0\u1ee3ng c\u1ea7u v\u01b0\u1ee3t r\u00f5 r\u00e0ng ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec3m giao nhau kh\u00f4ng tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t n\u00fat giao. M\u1ed9t n\u00fat giao ng\u1ee5 \u00fd vi\u1ec7c h\u1ee3p nh\u1ea5t d\u1eef li\u1ec7u, trong khi m\u1ed9t \u0111i\u1ec3m ch\u00e9o ng\u1ee5 \u00fd kh\u00f4ng c\u00f3 t\u01b0\u01a1ng t\u00e1c.<\/p>\n

        H\u01b0\u1edbng m\u0169i t\u00ean<\/h3>\n

        M\u1ed7i m\u0169i t\u00ean ph\u1ea3i c\u00f3 \u0111\u1ea7u r\u00f5 r\u00e0ng ch\u1ec9 h\u01b0\u1edbng di chuy\u1ec3n c\u1ee7a d\u1eef li\u1ec7u. Kh\u00f4ng bao gi\u1edd d\u00f9ng \u0111\u01b0\u1eddng th\u1eb3ng kh\u00f4ng c\u00f3 \u0111\u1ea7u, tr\u1eeb khi lu\u1ed3ng l\u00e0 hai chi\u1ec1u, trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3 h\u00e3y d\u00f9ng hai m\u0169i t\u00ean ri\u00eang bi\u1ec7t. C\u00e1c \u0111\u1ea7u m\u0169i t\u00ean nh\u1ea5t qu\u00e1n gi\u00fap tr\u00e1nh hi\u1ec3u nh\u1ea7m v\u1ec1 h\u01b0\u1edbng th\u00f4ng tin di chuy\u1ec3n.<\/p>\n

        4. Nguy\u00ean t\u1eafc to\u00e0n v\u1eb9n d\u1eef li\u1ec7u v\u00e0 c\u00e2n b\u1eb1ng \u2696\ufe0f<\/h2>\n

        M\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) l\u00e0 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c c\u00e2n b\u1eb1ng gi\u1eefa c\u00e1c c\u1ea5p. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a m\u1ed9t quy tr\u00ecnh cha ph\u1ea3i kh\u1edbp v\u1edbi t\u1ed5ng c\u00e1c \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a c\u00e1c quy tr\u00ecnh con c\u1ee7a n\u00f3.<\/p>\n

        C\u00e2n b\u1eb1ng \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra<\/h3>\n

        N\u1ebfu m\u1ed9t quy tr\u00ecnh c\u1ea5p 0 nh\u1eadn \u0111\u01b0\u1ee3c “Th\u00f4ng tin Thanh to\u00e1n”, c\u00e1c quy tr\u00ecnh con ph\u1ea3i hi\u1ec3n th\u1ecb n\u01a1i th\u00f4ng tin \u0111\u00f3 \u0111i \u0111\u1ebfn. N\u00f3 kh\u00f4ng th\u1ec3 bi\u1ebfn m\u1ea5t. N\u1ebfu m\u1ed9t lu\u1ed3ng d\u1eef li\u1ec7u \u0111i v\u00e0o m\u1ed9t quy tr\u00ecnh, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh m\u1ed9t lu\u1ed3ng m\u1edbi, \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, ho\u1eb7c r\u1eddi kh\u1ecfi h\u1ec7 th\u1ed1ng. D\u1eef li\u1ec7u kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra ho\u1eb7c ti\u00eau h\u1ee7y trong m\u1ed9t quy tr\u00ecnh m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ghi nh\u1eadn.<\/p>\n

        H\u1ed1 \u0111en v\u00e0 ph\u00e9p m\u00e0u<\/h3>\n

        Tr\u00e1nh t\u1ea1o c\u00e1c quy tr\u00ecnh kh\u00f4ng c\u00f3 \u0111\u1ea7u v\u00e0o (ph\u00e9p m\u00e0u) ho\u1eb7c kh\u00f4ng c\u00f3 \u0111\u1ea7u ra (h\u1ed1 \u0111en). M\u1ed9t quy tr\u00ecnh kh\u00f4ng c\u00f3 \u0111\u1ea7u v\u00e0o ng\u1ee5 \u00fd d\u1eef li\u1ec7u xu\u1ea5t hi\u1ec7n t\u1eeb nowhere. M\u1ed9t quy tr\u00ecnh kh\u00f4ng c\u00f3 \u0111\u1ea7u ra ng\u1ee5 \u00fd d\u1eef li\u1ec7u bi\u1ebfn m\u1ea5t. C\u1ea3 hai \u0111\u1ec1u vi ph\u1ea1m nguy\u00ean t\u1eafc b\u1ea3o to\u00e0n d\u1eef li\u1ec7u. M\u1ecdi quy tr\u00ecnh \u0111\u1ec1u ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i \u0111\u1ea7u v\u00e0o th\u00e0nh \u0111\u1ea7u ra.<\/p>\n

        \u0110\u1eb7t t\u00ean lu\u1ed3ng d\u1eef li\u1ec7u<\/h3>\n

        \u0110\u1eb7t nh\u00e3n cho m\u1ecdi lu\u1ed3ng d\u1eef li\u1ec7u. M\u1ed9t m\u0169i t\u00ean kh\u00f4ng c\u00f3 nh\u00e3n l\u00e0 v\u00f4 d\u1ee5ng. Nh\u00e3n ph\u1ea3i m\u00f4 t\u1ea3 n\u1ed9i dung, ch\u1ee9 kh\u00f4ng ph\u1ea3i h\u00e0nh \u0111\u1ed9ng. V\u00ed d\u1ee5, h\u00e3y d\u00f9ng \u201cM\u00e3 kh\u00e1ch h\u00e0ng\u201d thay v\u00ec \u201cG\u1eedi m\u00e3\u201d. \u0110i\u1ec1u n\u00e0y gi\u00fap s\u01a1 \u0111\u1ed3 t\u1eadp trung v\u00e0o d\u1eef li\u1ec7u thay v\u00ec giao th\u1ee9c.<\/p>\n

        5. H\u1ee3p t\u00e1c v\u00e0 b\u1ea3o tr\u00ec \ud83d\udd04<\/h2>\n

        T\u00e0i li\u1ec7u kh\u00f4ng ph\u1ea3i l\u00e0 c\u00f4ng vi\u1ec7c m\u1ed9t l\u1ea7n. H\u1ec7 th\u1ed1ng thay \u0111\u1ed5i theo th\u1eddi gian, v\u00e0 s\u01a1 \u0111\u1ed3 c\u0169ng ph\u1ea3i thay \u0111\u1ed5i theo. M\u1ed9t s\u01a1 \u0111\u1ed3 ch\u00ednh x\u00e1c h\u00f4m nay c\u00f3 th\u1ec3 tr\u1edf n\u00ean l\u1ed7i th\u1eddi ng\u00e0y mai n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec.<\/p>\n

        Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n<\/h3>\n

        Theo d\u00f5i c\u00e1c thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi s\u01a1 \u0111\u1ed3 theo th\u1eddi gian. Bao g\u1ed3m s\u1ed1 phi\u00ean b\u1ea3n v\u00e0 ng\u00e0y tr\u00ean m\u1ed7i s\u01a1 \u0111\u1ed3. Duy tr\u00ec nh\u1eadt k\u00fd thay \u0111\u1ed5i gi\u1ea3i th\u00edch nh\u1eefng g\u00ec \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i v\u00e0 l\u00fd do t\u1ea1i sao. L\u1ecbch s\u1eed n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 g\u1ee1 l\u1ed7i s\u1ef1 c\u1ed1 sau n\u00e0y ho\u1eb7c hi\u1ec3u t\u1ea1i sao m\u1ed9t quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a ra.<\/p>\n

        V\u00f2ng ki\u1ec3m tra<\/h3>\n

        Thi\u1ebft l\u1eadp quy tr\u00ecnh th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 xem x\u00e9t s\u01a1 \u0111\u1ed3 c\u00f9ng v\u1edbi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 b\u00ean li\u00ean quan. \u0110\u1ed9 ch\u00ednh x\u00e1c k\u1ef9 thu\u1eadt quan tr\u1ecdng nh\u01b0 \u0111\u1ed9 s\u1ea1ch v\u1ec1 m\u1eb7t h\u00ecnh \u1ea3nh. M\u1ed9t s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 tr\u00f4ng ho\u00e0n h\u1ea3o nh\u01b0ng l\u1ea1i ch\u1ee9a l\u1ed7i logic. C\u00e1c cu\u1ed9c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh tr\u1ef1c quan ph\u1ea3n \u00e1nh \u0111\u00fang tri\u1ec3n khai th\u1ef1c t\u1ebf.<\/p>\n

        Kh\u1ea3 n\u0103ng truy c\u1eadp<\/h3>\n

        \u0110\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c b\u1edfi t\u1ea5t c\u1ea3 th\u00e0nh vi\u00ean nh\u00f3m. Tr\u00e1nh ch\u1ec9 d\u00f9ng m\u00e0u s\u1eafc \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t \u00fd ngh\u0129a. N\u1ebfu b\u1ea1n d\u00f9ng m\u00e0u s\u1eafc \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c lo\u1ea1i lu\u1ed3ng kh\u00e1c nhau, h\u00e3y d\u00f9ng nh\u00e3n ho\u1eb7c ki\u1ec3u \u0111\u01b0\u1eddng n\u00e9t k\u00e8m theo. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 v\u1eabn \u0111\u1ecdc \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi c\u00f3 khi\u1ebfm khuy\u1ebft th\u1ecb gi\u00e1c m\u00e0u.<\/p>\n

        6. Danh s\u00e1ch ki\u1ec3m tra t\u00e0i li\u1ec7u \u2705<\/h2>\n

        Tr\u01b0\u1edbc khi c\u00f4ng b\u1ed1 s\u01a1 \u0111\u1ed3, h\u00e3y \u0111i qua danh s\u00e1ch ki\u1ec3m tra n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
        Ti\u00eau ch\u00ed<\/th>\nY\u00eau c\u1ea7u<\/th>\n<\/tr>\n<\/thead>\n
        \u0110\u1eb7t t\u00ean quy tr\u00ecnh<\/td>\nT\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh \u0111\u1ec1u s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng \u0110\u1ed9ng t\u1eeb-Danh t\u1eeb?<\/td>\n<\/tr>\n
        \u0110\u1eb7t t\u00ean kho d\u1eef li\u1ec7u<\/td>\nT\u1ea5t c\u1ea3 c\u00e1c kho \u0111\u1ec1u s\u1eed d\u1ee5ng c\u1ee5m danh t\u1eeb?<\/td>\n<\/tr>\n
        C\u00e2n b\u1eb1ng lu\u1ed3ng<\/td>\nC\u00e1c \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra c\u00f3 kh\u1edbp nhau gi\u1eefa c\u00e1c c\u1ea5p cha v\u00e0 con?<\/td>\n<\/tr>\n
        Kh\u00f4ng c\u00f3 th\u1ef1c th\u1ec3 c\u00f4 l\u1eadp<\/td>\nM\u1ed7i th\u1ef1c th\u1ec3 \u0111\u1ec1u \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi \u00edt nh\u1ea5t m\u1ed9t quy tr\u00ecnh?<\/td>\n<\/tr>\n
        R\u00f5 r\u00e0ng v\u1ec1 nh\u00e3n<\/td>\nT\u1ea5t c\u1ea3 c\u00e1c lu\u1ed3ng d\u1eef li\u1ec7u c\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n b\u1eb1ng t\u00ean n\u1ed9i dung kh\u00f4ng?<\/td>\n<\/tr>\n
        Kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng ch\u00e9o nhau<\/td>\nC\u00e1c giao nhau \u0111\u01b0\u1eddng kh\u00f4ng c\u1ea7n thi\u1ebft \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u00e1nh?<\/td>\n<\/tr>\n
        Phi\u00ean b\u1ea3n h\u00f3a<\/td>\nS\u1ed1 phi\u00ean b\u1ea3n v\u00e0 ng\u00e0y c\u00f3 \u0111\u01b0\u1ee3c bao g\u1ed3m kh\u00f4ng?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        7. Tr\u00e1nh s\u1ef1 m\u01a1 h\u1ed3 \ud83d\udeab<\/h2>\n

        S\u1ef1 m\u01a1 h\u1ed3 l\u00e0 k\u1ebb th\u00f9 c\u1ee7a t\u00e0i li\u1ec7u. N\u1ebfu ng\u01b0\u1eddi \u0111\u1ecdc ph\u1ea3i t\u1ef1 h\u1ecfi \u201c\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 g\u00ec?\u201d, s\u01a1 \u0111\u1ed3 \u0111\u00e3 th\u1ea5t b\u1ea1i. S\u1ef1 m\u01a1 h\u1ed3 th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb vi\u1ec7c g\u00e1n qu\u00e1 nhi\u1ec1u \u00fd ngh\u0129a cho m\u1ed9t h\u00ecnh d\u1ea1ng duy nh\u1ea5t.<\/p>\n

        Tr\u00e1ch nhi\u1ec7m \u0111\u01a1n nh\u1ea5t<\/h3>\n

        Kh\u00f4ng s\u1eed d\u1ee5ng m\u1ed9t h\u00ecnh d\u1ea1ng \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho c\u1ea3 ng\u01b0\u1eddi d\u00f9ng v\u00e0 giao di\u1ec7n h\u1ec7 th\u1ed1ng. Ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i v\u00e0 c\u00e1c giao di\u1ec7n b\u00ean trong. N\u1ebfu ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng, h\u00e3y hi\u1ec3n th\u1ecb ng\u01b0\u1eddi d\u00f9ng. N\u1ebfu h\u1ec7 th\u1ed1ng t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng kh\u00e1c, h\u00e3y hi\u1ec3n th\u1ecb h\u1ec7 th\u1ed1ng. S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y l\u00e0m r\u00f5 ranh gi\u1edbi tr\u00e1ch nhi\u1ec7m.<\/p>\n

        Nh\u00e3n c\u00f3 ng\u1eef c\u1ea3nh<\/h3>\n

        \u0110\u1ea3m b\u1ea3o c\u00e1c nh\u00e3n c\u1ee5 th\u1ec3 v\u1edbi ng\u1eef c\u1ea3nh. M\u1ed9t lu\u1ed3ng t\u00ean l\u00e0 \u201cD\u1eef li\u1ec7u\u201d l\u00e0 qu\u00e1 m\u01a1 h\u1ed3. H\u00e3y x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng l\u00e0 \u201cD\u1eef li\u1ec7u \u0110\u01a1n h\u00e0ng\u201d ho\u1eb7c \u201cD\u1eef li\u1ec7u H\u1ed3 s\u01a1 Ng\u01b0\u1eddi d\u00f9ng\u201d. T\u00ednh c\u1ee5 th\u1ec3 gi\u00fap gi\u1ea3m nhu c\u1ea7u suy lu\u1eadn b\u1eb1ng tr\u00ed t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ee7a ng\u01b0\u1eddi \u0111\u1ecdc.<\/p>\n

        8. T\u00e1c \u0111\u1ed9ng c\u1ee7a t\u00e0i li\u1ec7u s\u1ea1ch s\u1ebd \ud83c\udfaf<\/h2>\n

        D\u00e0nh th\u1eddi gian cho vi\u1ec7c l\u1eadp t\u00e0i li\u1ec7u lu\u1ed3ng s\u1ea1ch s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch l\u00e2u d\u00e0i. N\u00f3 gi\u00fap \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh l\u00e0m quen c\u1ee7a c\u00e1c k\u1ef9 s\u01b0 m\u1edbi, nh\u1eefng ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ecdc s\u01a1 \u0111\u1ed3 \u0111\u1ec3 hi\u1ec3u ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng. N\u00f3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh ki\u1ec3m to\u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh. N\u00f3 h\u1ed7 tr\u1ee3 c\u00f4ng t\u00e1c ki\u1ec3m th\u1eed b\u1eb1ng c\u00e1ch l\u00e0m r\u00f5 c\u00e1c \u0111\u01b0\u1eddng \u0111i d\u1eef li\u1ec7u mong \u0111\u1ee3i.<\/p>\n

        Khi t\u00e0i li\u1ec7u s\u1ea1ch s\u1ebd, tr\u1ecdng t\u00e2m chuy\u1ec3n t\u1eeb vi\u1ec7c gi\u1ea3i m\u00e3 b\u1ea3n \u0111\u1ed3 sang ph\u00e2n t\u00edch \u0111\u1ecba h\u00ecnh. C\u00e1c \u0111\u1ed9i nh\u00f3m d\u00e0nh \u00edt th\u1eddi gian tranh lu\u1eadn v\u1ec1 \u00fd ngh\u0129a c\u1ee7a m\u1ed9t h\u00ecnh d\u1ea1ng h\u01a1n v\u00e0 d\u00e0nh nhi\u1ec1u th\u1eddi gian h\u01a1n \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf. S\u1ef1 thay \u0111\u1ed5i tr\u1ecdng t\u00e2m n\u00e0y th\u00fac \u0111\u1ea9y n\u0103ng su\u1ea5t v\u00e0 gi\u1ea3m c\u0103ng th\u1eb3ng.<\/p>\n

        Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c th\u1ef1c h\u00e0nh n\u00e0y t\u1ea1o n\u00ean v\u0103n h\u00f3a minh b\u1ea1ch. N\u00f3 cho th\u1ea5y \u0111\u1ed9i nh\u00f3m tr\u00e2n tr\u1ecdng s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec3u r\u00f5 t\u1ea7m quan tr\u1ecdng c\u1ee7a giao ti\u1ebfp trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m. Theo th\u1eddi gian, s\u1ef1 k\u1ef7 lu\u1eadt n\u00e0y tr\u1edf n\u00ean t\u1ef1 nhi\u00ean, d\u1eabn \u0111\u1ebfn h\u1ec7 sinh th\u00e1i h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean v\u1eefng ch\u1eafc v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n.<\/p>\n

        T\u00f3m t\u1eaft c\u00e1c ti\u00eau chu\u1ea9n ch\u00ednh \ud83d\udcdd<\/h2>\n

        T\u00f3m l\u1ea1i, duy tr\u00ec t\u00e0i li\u1ec7u lu\u1ed3ng s\u1ea1ch s\u1ebd \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt trong vi\u1ec7c \u0111\u1eb7t t\u00ean, c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p, thi\u1ebft k\u1ebf tr\u1ef1c quan v\u00e0 b\u1ea3o tr\u00ec. Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c n\u00eau tr\u00ean \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u th\u1ef1c hi\u1ec7n \u0111\u00fang m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a ch\u00fang: truy\u1ec1n \u0111\u1ea1t logic h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c, c\u00e1c \u0111\u1ed9i nh\u00f3m c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng t\u00e0i li\u1ec7u v\u01b0\u1ee3t qua th\u1eed th\u00e1ch c\u1ee7a th\u1eddi gian v\u00e0 s\u1ef1 thay \u0111\u1ed5i.<\/p>\n

        B\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c ki\u1ec3m tra c\u00e1c s\u01a1 \u0111\u1ed3 hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n theo danh s\u00e1ch ki\u1ec3m tra. X\u00e1c \u0111\u1ecbnh nh\u1eefng khu v\u1ef1c n\u01a1i \u0111\u1eb7t t\u00ean kh\u00f4ng nh\u1ea5t qu\u00e1n ho\u1eb7c c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p kh\u00f4ng r\u00f5 r\u00e0ng. Th\u1ef1c hi\u1ec7n c\u1ea3i ti\u1ebfn t\u1eebng b\u01b0\u1edbc thay v\u00ec c\u1ed1 g\u1eafng thay \u0111\u1ed5i to\u00e0n b\u1ed9 ngay l\u1eadp t\u1ee9c. Nh\u1eefng thay \u0111\u1ed5i nh\u1ecf nh\u01b0ng nh\u1ea5t qu\u00e1n s\u1ebd mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng theo th\u1eddi gian.<\/p>\n<\/article>\n

        \u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

        Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3 ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o giao ti\u1ebfp r\u00f5 r\u00e0ng. C\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u (DFD) \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf…<\/p>\n","protected":false},"author":1,"featured_media":933,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho t\u00e0i li\u1ec7u lu\u1ed3ng s\u1ea1ch s\u1ebd | S\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1c ti\u00eau chu\u1ea9n thi\u1ebft y\u1ebfu \u0111\u1ec3 t\u1ea1o ra s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u r\u00f5 r\u00e0ng. 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