{"id":1627,"date":"2026-03-29T19:57:59","date_gmt":"2026-03-29T19:57:59","guid":{"rendered":"https:\/\/www.go-diagram.com\/vi\/quick-start-use-case-diagrams-information-systems-students\/"},"modified":"2026-03-29T19:57:59","modified_gmt":"2026-03-29T19:57:59","slug":"quick-start-use-case-diagrams-information-systems-students","status":"publish","type":"post","link":"https:\/\/www.go-diagram.com\/vi\/quick-start-use-case-diagrams-information-systems-students\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn nhanh v\u1ec1 S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho sinh vi\u00ean H\u1ec7 th\u1ed1ng Th\u00f4ng tin"},"content":{"rendered":"

Sinh vi\u00ean H\u1ec7 th\u1ed1ng Th\u00f4ng tin th\u01b0\u1eddng g\u1eb7p m\u1ed9t th\u1eddi \u0111i\u1ec3m then ch\u1ed1t trong h\u00e0nh tr\u00ecnh h\u1ecdc t\u1eadp c\u1ee7a m\u00ecnh. \u0110\u00f3 l\u00e0 l\u00fac c\u00e1c y\u00eau c\u1ea7u tr\u1eebu t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a th\u00e0nh c\u00e1c m\u00f4 h\u00ecnh tr\u1ef1c quan c\u1ee5 th\u1ec3. Trong s\u1ed1 c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c nhau c\u00f3 s\u1eb5n trong Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a \u0110\u01a1n nh\u1ea5t (UML), S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u1ed5i b\u1eadt nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 n\u1ec1n t\u1ea3ng. N\u00f3 t\u1ea1o ra s\u1ef1 k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c b\u00ean li\u00ean quan v\u00e0 c\u00e1c nh\u00f3m k\u1ef9 thu\u1eadt. Hi\u1ec3u \u0111\u01b0\u1ee3c s\u01a1 \u0111\u1ed3 n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 v\u1ebd c\u00e1c \u0111\u01b0\u1eddng v\u00e0 v\u00f2ng tr\u00f2n. \u0110\u00f3 l\u00e0 vi\u1ec7c x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng v\u00e0 l\u00e0m r\u00f5 c\u00e1ch ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi n\u00f3. \ud83c\udfaf<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p c\u00e1i nh\u00ecn s\u00e2u s\u1eafc v\u1ec1 c\u01a1 ch\u1ebf, m\u1ee5c \u0111\u00edch v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. Ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i, c\u00e1c m\u1ed1i quan h\u1ec7 v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m c\u1ee5 th\u1ec3. Tr\u1ecdng t\u00e2m v\u1eabn n\u1eb1m \u1edf khung kh\u00e1i ni\u1ec7m th\u00fac \u0111\u1ea9y ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng th\u00e0nh c\u00f4ng.<\/p>\n

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\"Whimsical<\/figure>\n<\/div>\n

Hi\u1ec3u r\u00f5 m\u1ee5c \u0111\u00edch c\u1ee7a S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \ud83d\udcd0<\/h2>\n

Tr\u01b0\u1edbc khi v\u1ebd b\u1ea5t k\u1ef3 \u0111\u01b0\u1eddng n\u00e0o, \u0111i\u1ec1u thi\u1ebft y\u1ebfu l\u00e0 ph\u1ea3i hi\u1ec3u l\u00fd do t\u1ea1i sao b\u1ea3n ch\u1ea5t n\u00e0y t\u1ed3n t\u1ea1i. Trong b\u1ed1i c\u1ea3nh H\u1ec7 th\u1ed1ng Th\u00f4ng tin, s\u1ef1 r\u00f5 r\u00e0ng l\u00e0 \u0111\u1ed3ng ti\u1ec1n. C\u00e1c b\u00ean li\u00ean quan th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n khi di\u1ec5n \u0111\u1ea1t nhu c\u1ea7u c\u1ee7a h\u1ecd b\u1eb1ng thu\u1eadt ng\u1eef k\u1ef9 thu\u1eadt. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n khi hi\u1ec3u b\u1ed1i c\u1ea3nh kinh doanh \u0111\u1eb1ng sau m\u1ed9t t\u00ednh n\u0103ng. S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u1ea7u n\u1ed1i giao ti\u1ebfp.<\/p>\n

M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a n\u00f3 bao g\u1ed3m:<\/p>\n

    \n
  • Tr\u1ef1c quan h\u00f3a c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng:<\/strong> N\u00f3 chuy\u1ec3n \u0111\u1ed5i danh s\u00e1ch c\u00e1c t\u00ednh n\u0103ng th\u00e0nh \u0111\u1ecbnh d\u1ea1ng \u0111\u1ed3 h\u1ecda d\u1ec5 hi\u1ec3u h\u01a1n.<\/li>\n
  • X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi h\u1ec7 th\u1ed1ng:<\/strong> N\u00f3 ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa nh\u1eefng g\u00ec n\u1eb1m trong h\u1ec7 th\u1ed1ng v\u00e0 nh\u1eefng g\u00ec n\u1eb1m ngo\u00e0i h\u1ec7 th\u1ed1ng.<\/li>\n
  • X\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n:<\/strong> N\u00f3 ti\u1ebft l\u1ed9 ai ho\u1eb7c c\u00e1i g\u00ec t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng, d\u00f9 l\u00e0 con ng\u01b0\u1eddi hay ph\u1ea7n m\u1ec1m b\u00ean ngo\u00e0i.<\/li>\n
  • Th\u00fac \u0111\u1ea9y s\u1ef1 h\u1ee3p t\u00e1c:<\/strong> N\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e2n t\u00edch kinh doanh v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n th\u1ed1ng nh\u1ea5t v\u1ec1 ph\u1ea1m vi h\u1ec7 th\u1ed1ng tr\u01b0\u1edbc khi vi\u1ebft m\u00e3.<\/li>\n<\/ul>\n

    Khi sinh vi\u00ean th\u00e0nh th\u1ea1o k\u00fd hi\u1ec7u n\u00e0y, h\u1ecd s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. H\u1ecd h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1ch t\u00e1ch bi\u1ec7t gi\u1eefa “c\u00e1i g\u00ec” v\u00e0 “c\u00e1ch th\u1ee9c”. S\u1ef1 t\u00e1ch bi\u1ec7t n\u00e0y l\u00e0 then ch\u1ed1t trong k\u1ef9 thu\u1eadt h\u1ec7 th\u1ed1ng. N\u00f3 \u0111\u1ea3m b\u1ea3o ki\u1ebfn tr\u00fac h\u1ed7 tr\u1ee3 c\u00e1c y\u00eau c\u1ea7u m\u00e0 kh\u00f4ng b\u1ecb m\u1eafc k\u1eb9t v\u00e0o chi ti\u1ebft tri\u1ec3n khai.<\/p>\n

    C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \ud83e\udde9<\/h2>\n

    S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3. M\u1ed7i th\u00e0nh ph\u1ea7n mang m\u1ed9t \u00fd ngh\u0129a ri\u00eang bi\u1ec7t. Hi\u1ec3u r\u00f5 nh\u1eefng kh\u1ed1i x\u00e2y d\u1ef1ng n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ch\u00ednh x\u00e1c. C\u00f3 ba th\u00e0nh ph\u1ea7n ch\u00ednh: T\u00e1c nh\u00e2n, Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 Ranh gi\u1edbi H\u1ec7 th\u1ed1ng.<\/p>\n

    1. T\u00e1c nh\u00e2n \ud83d\udc64<\/h3>\n

    M\u1ed9t T\u00e1c nh\u00e2n \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 m\u1ed9t T\u00e1c nh\u00e2n kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i l\u00e0 con ng\u01b0\u1eddi. N\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t vai tr\u00f2, m\u1ed9t ph\u00f2ng ban, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng kh\u00e1c. T\u00e1c nh\u00e2n th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng h\u00ecnh ng\u01b0\u1eddi que ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng.<\/p>\n

    Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a T\u00e1c nh\u00e2n bao g\u1ed3m:<\/p>\n

      \n
    • B\u00ean ngo\u00e0i h\u1ec7 th\u1ed1ng:<\/strong> T\u00e1c nh\u00e2n t\u1ed3n t\u1ea1i b\u00ean ngo\u00e0i ranh gi\u1edbi c\u1ee7a ph\u1ea7n m\u1ec1m \u0111ang \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a.<\/li>\n
    • H\u01b0\u1edbng \u0111\u1ebfn m\u1ee5c ti\u00eau:<\/strong> T\u00e1c nh\u00e2n kh\u1edfi t\u1ea1o c\u00e1c t\u01b0\u01a1ng t\u00e1c nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3.<\/li>\n
    • Vai tr\u00f2, kh\u00f4ng ph\u1ea3i c\u00e1 nh\u00e2n:<\/strong> M\u1ed9t s\u01a1 \u0111\u1ed3 n\u00ean m\u00f4 h\u00ecnh h\u00f3a c\u00e1c vai tr\u00f2 nh\u01b0 \u201cKh\u00e1ch h\u00e0ng\u201d ho\u1eb7c \u201cQu\u1ea3n tr\u1ecb vi\u00ean\u201d, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1c t\u00ean c\u1ee5 th\u1ec3 nh\u01b0 \u201cJohn Smith\u201d.<\/li>\n<\/ul>\n

      2. Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \ud83d\udd04<\/h3>\n

      M\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ea1i di\u1ec7n cho m\u1ed9t ch\u1ee9c n\u0103ng ho\u1eb7c t\u01b0\u01a1ng t\u00e1c c\u1ee5 th\u1ec3 b\u00ean trong h\u1ec7 th\u1ed1ng. \u0110\u00f3 l\u00e0 “c\u00e1i g\u00ec” m\u00e0 h\u1ec7 th\u1ed1ng th\u1ef1c hi\u1ec7n. C\u00e1c Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c v\u1ebd d\u01b0\u1edbi d\u1ea1ng h\u00ecnh elip ho\u1eb7c h\u00ecnh tr\u00f2n n\u1eb1m b\u00ean trong ranh gi\u1edbi h\u1ec7 th\u1ed1ng.<\/p>\n

      Khi \u0111\u1ecbnh ngh\u0129a m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, h\u00e3y c\u00e2n nh\u1eafc nh\u1eefng \u0111i\u1ec1u sau:<\/p>\n

        \n
      • M\u1ee5c ti\u00eau duy nh\u1ea5t:<\/strong> M\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00ean gi\u1ea3i quy\u1ebft m\u1ed9t m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n
      • \u0110\u1eb7t t\u00ean theo c\u1ea5u tr\u00fac \u0110\u1ed9ng t\u1eeb-Danh t\u1eeb:<\/strong>T\u00ean ph\u1ea3i r\u00f5 r\u00e0ng, v\u00ed d\u1ee5 nh\u01b0 \u201c\u0110\u1eb7t h\u00e0ng\u201d ho\u1eb7c \u201cT\u1ea1o b\u00e1o c\u00e1o\u201d.<\/li>\n
      • B\u00ean trong h\u1ec7 th\u1ed1ng:<\/strong>C\u00e1c logic v\u00e0 x\u1eed l\u00fd di\u1ec5n ra b\u00ean trong ranh gi\u1edbi c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n

        3. Ranh gi\u1edbi h\u1ec7 th\u1ed1ng \ud83d\udce6<\/h3>\n

        Ranh gi\u1edbi h\u1ec7 th\u1ed1ng l\u00e0 m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt bao quanh t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. N\u00f3 x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi c\u1ee7a d\u1ef1 \u00e1n. M\u1ecdi th\u1ee9 b\u00ean ngo\u00e0i h\u00ecnh ch\u1eef nh\u1eadt l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a m\u00f4i tr\u01b0\u1eddng. M\u1ecdi th\u1ee9 b\u00ean trong l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

        Ranh gi\u1edbi n\u00e0y gi\u00fap qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p. N\u00f3 ng\u0103n diagram tr\u1edf n\u00ean r\u1ed1i r\u1eafm v\u1edbi c\u00e1c quy tr\u00ecnh b\u00ean ngo\u00e0i. N\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 ranh gi\u1edbi tr\u1ef1c quan r\u00f5 r\u00e0ng cho ph\u1ea1m vi c\u00f4ng vi\u1ec7c.<\/p>\n

        C\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n \ud83d\udd17<\/h2>\n

        C\u00e1c \u0111\u01b0\u1eddng n\u1ed1i gi\u1eefa c\u00e1c Ng\u01b0\u1eddi d\u00f9ng, C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c \u0111\u1ea1i di\u1ec7n cho c\u00e1c m\u1ed1i quan h\u1ec7. Nh\u1eefng \u0111\u01b0\u1eddng n\u00e0y x\u00e1c \u0111\u1ecbnh lu\u1ed3ng v\u00e0 s\u1ef1 ph\u1ee5 thu\u1ed9c trong c\u00e1c t\u01b0\u01a1ng t\u00e1c. C\u00f3 b\u1ed1n lo\u1ea1i m\u1ed1i quan h\u1ec7 ch\u00ednh x\u00e1c \u0111\u1ecbnh h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n\n\n\n
        M\u1ed1i quan h\u1ec7<\/th>\nM\u00f4 t\u1ea3<\/th>\nK\u00fd hi\u1ec7u<\/th>\n<\/tr>\n
        Li\u00ean k\u1ebft<\/td>\nM\u1ed9t li\u00ean k\u1ebft truy\u1ec1n th\u00f4ng gi\u1eefa m\u1ed9t Ng\u01b0\u1eddi d\u00f9ng v\u00e0 m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/td>\n\u0110\u01b0\u1eddng \u0111\u01a1n gi\u1ea3n<\/td>\n<\/tr>\n
        Bao g\u1ed3m<\/td>\nM\u1ed9t m\u1ed1i quan h\u1ec7 ph\u1ee5 thu\u1ed9c b\u1eaft bu\u1ed9c, n\u01a1i m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng bao g\u1ed3m h\u00e0nh vi c\u1ee7a m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c.<\/td>\nM\u0169i t\u00ean g\u1ea1ch + <<bao g\u1ed3m>><\/td>\n<\/tr>\n
        M\u1edf r\u1ed9ng<\/td>\nM\u1ed9t m\u1ed1i quan h\u1ec7 ph\u1ee5 thu\u1ed9c t\u00f9y ch\u1ecdn, n\u01a1i h\u00e0nh vi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3.<\/td>\nM\u0169i t\u00ean g\u1ea1ch + <<m\u1edf r\u1ed9ng>><\/td>\n<\/tr>\n
        T\u1ed5ng qu\u00e1t h\u00f3a<\/td>\nK\u1ebf th\u1eeba n\u01a1i m\u1ed9t Ng\u01b0\u1eddi d\u00f9ng con ho\u1eb7c Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng con k\u1ebf th\u1eeba t\u1eeb ng\u01b0\u1eddi cha.<\/td>\nM\u0169i t\u00ean tam gi\u00e1c \u0111\u1ea7y<\/td>\n<\/tr>\n<\/table>\n

        Li\u00ean k\u1ebft<\/h3>\n

        \u0110\u00e2y l\u00e0 m\u1ed1i quan h\u1ec7 ph\u1ed5 bi\u1ebfn nh\u1ea5t. N\u00f3 cho th\u1ea5y m\u1ed9t Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 kh\u1edfi t\u1ea1o m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3. H\u01b0\u1edbng c\u1ee7a li\u00ean k\u1ebft th\u01b0\u1eddng cho bi\u1ebft ai kh\u1edfi t\u1ea1o t\u01b0\u01a1ng t\u00e1c. V\u00ed d\u1ee5, m\u1ed9t \u201cKh\u00e1ch h\u00e0ng\u201d kh\u1edfi t\u1ea1o Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u201c\u0110\u1eb7t h\u00e0ng\u201d.<\/p>\n

        M\u1ed1i quan h\u1ec7 Bao g\u1ed3m<\/h3>\n

        M\u1ed1i quan h\u1ec7 Bao g\u1ed3m cho bi\u1ebft m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u00edch h\u1ee3p h\u00e0nh vi c\u1ee7a m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 gi\u1ea3m s\u1ef1 tr\u00f9ng l\u1eb7p. N\u1ebfu nhi\u1ec1u Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ea7n c\u00f9ng m\u1ed9t b\u01b0\u1edbc, b\u01b0\u1edbc \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1ch ra th\u00e0nh m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ri\u00eang v\u00e0 \u0111\u01b0\u1ee3c bao g\u1ed3m.<\/p>\n

        V\u00ed d\u1ee5, c\u1ea3 \u201c\u0110\u1eb7t h\u00e0ng\u201d v\u00e0 \u201cTr\u1ea3 h\u00e0ng\u201d \u0111\u1ec1u c\u00f3 th\u1ec3 c\u1ea7n \u201cX\u00e1c th\u1ef1c x\u00e1c th\u1ef1c\u201d. Thay v\u00ec v\u1ebd l\u1ea1i c\u00e1c b\u01b0\u1edbc x\u00e1c th\u1ef1c hai l\u1ea7n, b\u1ea1n ch\u1ec9 c\u1ea7n \u0111\u1ecbnh ngh\u0129a m\u1ed9t l\u1ea7n v\u00e0 bao g\u1ed3m n\u00f3.<\/p>\n

        M\u1ed1i quan h\u1ec7 m\u1edf r\u1ed9ng<\/h3>\n

        M\u1ed1i quan h\u1ec7 m\u1edf r\u1ed9ng \u0111\u1ea1i di\u1ec7n cho h\u00e0nh vi t\u00f9y ch\u1ecdn. N\u00f3 th\u00eam ch\u1ee9c n\u0103ng v\u00e0o m\u1ed9t Use Case c\u01a1 b\u1ea3n ch\u1ec9 trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y h\u1eefu \u00edch cho x\u1eed l\u00fd l\u1ed7i ho\u1eb7c c\u00e1c s\u1ef1 ki\u1ec7n hi\u1ebfm g\u1eb7p.<\/p>\n

        X\u00e9t m\u1ed9t Use Case “In h\u00f3a \u0111\u01a1n”. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng b\u1edfi “G\u1eedi h\u00f3a \u0111\u01a1n qua email” ch\u1ec9 khi kh\u00e1ch h\u00e0ng ch\u1ecdn giao h\u00e0ng s\u1ed1 h\u00f3a. Lu\u1ed3ng c\u01a1 b\u1ea3n v\u1eabn gi\u1eef nguy\u00ean, nh\u01b0ng ph\u1ea7n m\u1edf r\u1ed9ng s\u1ebd th\u00eam gi\u00e1 tr\u1ecb m\u1ed9t c\u00e1ch c\u00f3 \u0111i\u1ec1u ki\u1ec7n.<\/p>\n

        T\u1ed5ng qu\u00e1t h\u00f3a<\/h3>\n

        T\u1ed5ng qu\u00e1t h\u00f3a cho ph\u00e9p k\u1ebf th\u1eeba. Trong b\u1ed1i c\u1ea3nh c\u1ee7a c\u00e1c t\u00e1c nh\u00e2n, m\u1ed9t t\u00e1c nh\u00e2n chuy\u00ean bi\u1ec7t s\u1ebd k\u1ebf th\u1eeba c\u00e1c kh\u1ea3 n\u0103ng t\u1eeb m\u1ed9t t\u00e1c nh\u00e2n t\u1ed5ng qu\u00e1t. V\u00ed d\u1ee5, m\u1ed9t “Qu\u1ea3n l\u00fd” l\u00e0 m\u1ed9t lo\u1ea1i “Nh\u00e2n vi\u00ean”. Qu\u1ea3n l\u00fd c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ecdi vi\u1ec7c m\u00e0 m\u1ed9t nh\u00e2n vi\u00ean c\u00f3 th\u1ec3 l\u00e0m, c\u1ed9ng th\u00eam c\u00e1c nhi\u1ec7m v\u1ee5 qu\u1ea3n l\u00fd c\u1ee5 th\u1ec3.<\/p>\n

        Trong c\u00e1c Use Case, m\u1ed9t Use Case chuy\u00ean bi\u1ec7t c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng m\u1ed9t Use Case t\u1ed5ng qu\u00e1t. \u0110i\u1ec1u n\u00e0y \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n nh\u01b0ng h\u1eefu \u00edch khi ph\u00e2n t\u00edch c\u00e1c h\u00e0nh \u0111\u1ed9ng ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c h\u00e0nh \u0111\u1ed9ng con.<\/p>\n

        C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 Use Case \ud83d\udee0\ufe0f<\/h2>\n

        Vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f3 c\u1ea5u tr\u00fac. N\u00f3 \u0111\u00f2i h\u1ecfi ph\u00e2n t\u00edch tr\u01b0\u1edbc khi tr\u1ef1c quan h\u00f3a. H\u00e3y tu\u00e2n theo c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

        B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau h\u1ec7 th\u1ed1ng \ud83c\udfaf<\/h3>\n

        B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng. V\u1ea5n \u0111\u1ec1 n\u00e0o m\u00e0 n\u00f3 gi\u1ea3i quy\u1ebft? G\u00f3c nh\u00ecn c\u1ea5p cao n\u00e0y \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho to\u00e0n b\u1ed9 s\u01a1 \u0111\u1ed3. Kh\u00f4ng c\u00f3 m\u1ee5c ti\u00eau r\u00f5 r\u00e0ng, s\u01a1 \u0111\u1ed3 s\u1ebd thi\u1ebfu s\u1ef1 t\u1eadp trung.<\/p>\n

        B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n \ud83d\udc65<\/h3>\n

        Ai t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng n\u00e0y? H\u00e3y th\u1ea3o lu\u1eadn \u0111\u1ec3 li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 ng\u01b0\u1eddi d\u00f9ng ti\u1ec1m n\u0103ng v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i. \u0110\u1eb7t c\u00e1c c\u00e2u h\u1ecfi nh\u01b0:<\/p>\n

          \n
        • Ai kh\u1edfi t\u1ea1o c\u00e1c quy tr\u00ecnh ch\u00ednh?<\/li>\n
        • Ai nh\u1eadn \u0111\u1ea7u ra t\u1eeb h\u1ec7 th\u1ed1ng?<\/li>\n
        • C\u00f3 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng n\u00e0o cung c\u1ea5p d\u1eef li\u1ec7u cho h\u1ec7 th\u1ed1ng n\u00e0y kh\u00f4ng?<\/li>\n<\/ul>\n

          Li\u1ec7t k\u00ea m\u1ecdi vai tr\u00f2 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. \u0110\u1eebng lo l\u1eafng v\u1ec1 vi\u1ec7c nh\u00f3m ch\u00fang l\u1ea1i ngay l\u00fac n\u00e0y. Ghi l\u1ea1i to\u00e0n b\u1ed9 ph\u1ea1m vi t\u01b0\u01a1ng t\u00e1c.<\/p>\n

          B\u01b0\u1edbc 3: X\u00e1c \u0111\u1ecbnh c\u00e1c Use Case \ud83d\udcdd<\/h3>\n

          V\u1edbi m\u1ed7i t\u00e1c nh\u00e2n, x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u h\u1ecd mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c. Nh\u1eefng m\u1ee5c ti\u00eau n\u00e0y s\u1ebd tr\u1edf th\u00e0nh c\u00e1c Use Case. \u0110\u1ea3m b\u1ea3o m\u1ed7i Use Case \u0111\u1ea1i di\u1ec7n cho m\u1ed9t \u0111\u01a1n v\u1ecb ch\u1ee9c n\u0103ng ho\u00e0n ch\u1ec9nh. Tr\u00e1nh chia nh\u1ecf m\u1ed9t m\u1ee5c ti\u00eau duy nh\u1ea5t th\u00e0nh qu\u00e1 nhi\u1ec1u b\u01b0\u1edbc nh\u1ecf \u1edf giai \u0111o\u1ea1n n\u00e0y.<\/p>\n

          B\u01b0\u1edbc 4: V\u1ebd ranh gi\u1edbi h\u1ec7 th\u1ed1ng \ud83d\udccf<\/h3>\n

          V\u1ebd m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt. \u0110\u1eb7t c\u00e1c Use Case b\u00ean trong n\u00f3. \u0110\u1eb7t c\u00e1c T\u00e1c nh\u00e2n b\u00ean ngo\u00e0i. S\u1ef1 ph\u00e2n t\u00e1ch tr\u1ef1c quan n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec g\u00f3c nh\u00ecn \u0111\u00fang.<\/p>\n

          B\u01b0\u1edbc 5: K\u1ebft n\u1ed1i c\u00e1c T\u00e1c nh\u00e2n v\u1edbi c\u00e1c Use Case \ud83d\udd17<\/h3>\n

          V\u1ebd c\u00e1c \u0111\u01b0\u1eddng n\u1ed1i gi\u1eefa c\u00e1c T\u00e1c nh\u00e2n v\u00e0 c\u00e1c Use Case m\u00e0 h\u1ecd t\u01b0\u01a1ng t\u00e1c. \u0110\u1ea3m b\u1ea3o c\u00e1c \u0111\u01b0\u1eddng n\u1ed1i r\u00f5 r\u00e0ng v\u00e0 kh\u00f4ng giao nhau m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft. Ghi nh\u00e3n c\u00e1c \u0111\u01b0\u1eddng n\u1ebfu c\u1ea7n \u0111\u1ec3 l\u00e0m r\u00f5 h\u01b0\u1edbng kh\u1edfi t\u1ea1o.<\/p>\n

          B\u01b0\u1edbc 6: Tinh ch\u1ec9nh c\u00e1c m\u1ed1i quan h\u1ec7 \ud83d\udd0d<\/h3>\n

          Xem x\u00e9t l\u1ea1i s\u01a1 \u0111\u1ed3 \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1ef1 tr\u00f9ng l\u1eb7p. X\u00e1c \u0111\u1ecbnh c\u00e1c h\u00e0nh vi chung c\u00f3 th\u1ec3 t\u00e1ch ra th\u00e0nh c\u00e1c m\u1ed1i quan h\u1ec7 Include. T\u00ecm ki\u1ebfm c\u00e1c h\u00e0nh vi t\u00f9y ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi m\u1ed1i quan h\u1ec7 Extend. Ki\u1ec3m tra c\u00e1c c\u01a1 h\u1ed9i t\u1ed5ng qu\u00e1t h\u00f3a gi\u1eefa c\u00e1c T\u00e1c nh\u00e2n.<\/p>\n

          C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t cho sinh vi\u00ean H\u1ec7 th\u1ed1ng Th\u00f4ng tin \ud83d\udcda<\/h2>\n

          Vi\u1ebft s\u01a1 \u0111\u1ed3 kh\u00e1c v\u1edbi vi\u1ec7c v\u1ebd s\u01a1 \u0111\u1ed3. C\u00f3 nh\u1eefng quy \u01b0\u1edbc v\u00e0 th\u1ef1c h\u00e0nh t\u1ed1t gi\u00fap t\u0103ng t\u00ednh d\u1ec5 \u0111\u1ecdc v\u00e0 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng. Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch c\u1ee7a n\u00f3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

          1. Duy tr\u00ec m\u1ed9t m\u1ee5c ti\u00eau duy nh\u1ea5t cho m\u1ed7i Use Case<\/h3>\n

          M\u1ed9t Use Case n\u00ean \u0111\u1ea1i di\u1ec7n cho m\u1ed9t t\u01b0\u01a1ng t\u00e1c ri\u00eang bi\u1ec7t. N\u1ebfu m\u1ed9t Use Case c\u1ed1 g\u1eafng l\u00e0m qu\u00e1 nhi\u1ec1u \u0111i\u1ec1u, n\u00f3 s\u1ebd tr\u1edf n\u00ean kh\u00f3 qu\u1ea3n l\u00fd. Chia c\u00e1c h\u00e0nh \u0111\u1ed9ng ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c Use Case nh\u1ecf h\u01a1n, d\u1ec5 qu\u1ea3n l\u00fd. S\u1ef1 chi ti\u1ebft n\u00e0y s\u1ebd gi\u00fap \u00edch trong ki\u1ec3m th\u1eed v\u00e0 x\u00e1c th\u1ef1c sau n\u00e0y.<\/p>\n

          2. S\u1eed d\u1ee5ng t\u00ean h\u01b0\u1edbng h\u00e0nh \u0111\u1ed9ng<\/h3>\n

          T\u00ean n\u00ean r\u00f5 r\u00e0ng v\u00e0 m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c. S\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng “\u0110\u1ed9ng t\u1eeb + Danh t\u1eeb”. V\u00ed d\u1ee5, d\u00f9ng “T\u00ecm ki\u1ebfm s\u1ea3n ph\u1ea9m” thay v\u00ec “T\u00ecm ki\u1ebfm”. D\u00f9ng “C\u1eadp nh\u1eadt h\u1ed3 s\u01a1” thay v\u00ec “S\u1eeda \u0111\u1ed5i”. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c hi\u1ec3u ngay m\u00e0 kh\u00f4ng c\u1ea7n gi\u1ea3i th\u00edch th\u00eam.<\/p>\n

          3. Tr\u00e1nh chi ti\u1ebft b\u00ean trong<\/h3>\n

          S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn c\u1ea5p cao. Kh\u00f4ng bao g\u1ed3m c\u00e1c thao t\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ed1 c\u1ee5c m\u00e0n h\u00ecnh c\u1ee5 th\u1ec3 ho\u1eb7c logic m\u00e3 ngu\u1ed3n b\u00ean trong s\u01a1 \u0111\u1ed3. Gi\u1eef s\u1ef1 t\u1eadp trung v\u00e0o t\u01b0\u01a1ng t\u00e1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng. Logic chi ti\u1ebft thu\u1ed9c v\u1ec1 M\u00f4 t\u1ea3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ho\u1eb7c S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1.<\/p>\n

          4. T\u1eadp trung v\u00e0o g\u00f3c nh\u00ecn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng<\/h3>\n

          S\u01a1 \u0111\u1ed3 ph\u1ea3i tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u201cNg\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 l\u00e0m g\u00ec v\u1edbi h\u1ec7 th\u1ed1ng n\u00e0y?\u201d. Tr\u00e1nh m\u00f4 h\u00ecnh h\u00f3a c\u00e1c quy tr\u00ecnh n\u1ed9i b\u1ed9 c\u1ee7a h\u1ec7 th\u1ed1ng tr\u1eeb khi ch\u00fang tr\u1ef1c ti\u1ebfp hi\u1ec3n th\u1ecb ho\u1eb7c \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o b\u1edfi m\u1ed9t Ng\u01b0\u1eddi tham gia. Bi\u00ean gi\u1edbi ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n

          5. Gi\u1eef cho n\u00f3 s\u1ea1ch s\u1ebd<\/h3>\n

          M\u1ed9t s\u01a1 \u0111\u1ed3 r\u1ed1i r\u1eafm l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 v\u00f4 d\u1ee5ng. Tr\u00e1nh c\u00e1c \u0111\u01b0\u1eddng ch\u00e9o nhau. S\u1eafp x\u1ebfp c\u00e1c Ng\u01b0\u1eddi tham gia v\u00e0 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd. Nh\u00f3m c\u00e1c Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng li\u00ean quan l\u1ea1i v\u1edbi nhau. S\u1eed d\u1ee5ng kho\u1ea3ng tr\u1ed1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng \u0111\u1ecdc.<\/p>\n

          Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh \u26a0\ufe0f<\/h2>\n

          H\u1ecdc sinh th\u01b0\u1eddng m\u1eafc b\u1eaby khi t\u1ea1o s\u01a1 \u0111\u1ed3 \u0111\u1ea7u ti\u00ean c\u1ee7a m\u00ecnh. Nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn n\u00e0y c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 ng\u0103n ng\u1eeba s\u1ef1 nh\u1ea7m l\u1eabn.<\/p>\n

            \n
          • Tr\u1ed9n l\u1eabn lu\u1ed3ng d\u1eef li\u1ec7u v\u1edbi Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong>M\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00f4ng ph\u1ea3i l\u00e0 lu\u1ed3ng d\u1eef li\u1ec7u. \u0110\u00f3 l\u00e0 m\u1ed9t m\u1ee5c ti\u00eau ch\u1ee9c n\u0103ng. Kh\u00f4ng m\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u di chuy\u1ec3n gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng tr\u1eeb khi ng\u01b0\u1eddi d\u00f9ng kh\u1edfi t\u1ea1o vi\u1ec7c chuy\u1ec3n d\u1eef li\u1ec7u \u0111\u00f3.<\/li>\n
          • Qu\u00e1 nhi\u1ec1u Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong>N\u1ebfu m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng duy nh\u1ea5t c\u00f3 h\u00e0ng tr\u0103m b\u01b0\u1edbc, th\u00ec c\u00f3 kh\u1ea3 n\u0103ng n\u00f3 qu\u00e1 l\u1edbn. R\u00fat g\u1ecdn n\u00f3 th\u00e0nh c\u00e1c Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng nh\u1ecf h\u01a1n v\u00e0 c\u1ee5 th\u1ec3 h\u01a1n.<\/li>\n
          • B\u1ecf qua c\u00e1c Ng\u01b0\u1eddi tham gia phi con ng\u01b0\u1eddi:<\/strong>H\u00e3y nh\u1edb r\u1eb1ng c\u00e1c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 l\u00e0 Ng\u01b0\u1eddi tham gia. N\u1ebfu h\u1ec7 th\u1ed1ng nh\u1eadn d\u1eef li\u1ec7u t\u1eeb m\u1ed9t c\u1ea3m bi\u1ebfn ho\u1eb7c m\u1ed9t API kh\u00e1c, th\u00ec th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i \u0111\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a nh\u01b0 m\u1ed9t Ng\u01b0\u1eddi tham gia.<\/li>\n
          • S\u1eed d\u1ee5ng qu\u00e1 m\u1ee9c Include\/Extend:<\/strong>Kh\u00f4ng \u00e9p bu\u1ed9c c\u00e1c m\u1ed1i quan h\u1ec7 khi ch\u00fang kh\u00f4ng ph\u00f9 h\u1ee3p. N\u1ebfu m\u1ed9t b\u01b0\u1edbc lu\u00f4n c\u1ea7n thi\u1ebft, h\u00e3y d\u00f9ng Include. N\u1ebfu l\u00e0 t\u00f9y ch\u1ecdn, h\u00e3y d\u00f9ng Extend. Kh\u00f4ng d\u00f9ng ch\u00fang cho lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01a1n gi\u1ea3n.<\/li>\n
          • Nh\u1ea7m l\u1eabn v\u1edbi T\u1ed5ng qu\u00e1t h\u00f3a:<\/strong>Kh\u00f4ng nh\u1ea7m l\u1eabn gi\u1eefa \u201cl\u00e0 m\u1ed9t\u201d v\u1edbi \u201cs\u1eed d\u1ee5ng\u201d. M\u1ed9t \u201cGi\u00e1m \u0111\u1ed1c\u201d l\u00e0 m\u1ed9t \u201cNh\u00e2n vi\u00ean\u201d (T\u1ed5ng qu\u00e1t h\u00f3a). M\u1ed9t \u201cGi\u00e1m \u0111\u1ed1c\u201d s\u1eed d\u1ee5ng \u201cDuy\u1ec7t vay\u201d (Li\u00ean k\u1ebft).<\/li>\n<\/ul>\n

            T\u00edch h\u1ee3p v\u1edbi c\u00e1c t\u00e0i li\u1ec7u kh\u00e1c \ud83d\udcc4<\/h2>\n

            S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch c\u00f4 l\u1eadp. N\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a b\u1ed9 t\u00e0i li\u1ec7u l\u1edbn h\u01a1n. N\u00f3 ho\u1ea1t \u0111\u1ed9ng song song v\u1edbi c\u00e1c m\u00f4 t\u1ea3 v\u0103n b\u1ea3n v\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 kh\u00e1c \u0111\u1ec3 cung c\u1ea5p b\u1ee9c tranh to\u00e0n di\u1ec7n v\u1ec1 h\u1ec7 th\u1ed1ng.<\/p>\n

            M\u00f4 t\u1ea3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n

            V\u1edbi m\u1ed7i Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng tr\u00ean s\u01a1 \u0111\u1ed3, ph\u1ea3i c\u00f3 m\u1ed9t m\u00f4 t\u1ea3 v\u0103n b\u1ea3n t\u01b0\u01a1ng \u1ee9ng. T\u00e0i li\u1ec7u n\u00e0y chi ti\u1ebft lu\u1ed3ng s\u1ef1 ki\u1ec7n. N\u00f3 bao g\u1ed3m t\u00ecnh hu\u1ed1ng th\u00e0nh c\u00f4ng ch\u00ednh, c\u00e1c lu\u1ed3ng thay th\u1ebf v\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft. S\u01a1 \u0111\u1ed3 cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan; m\u00f4 t\u1ea3 cung c\u1ea5p chi ti\u1ebft.<\/p>\n

            S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1<\/h3>\n

            Sau khi x\u00e1c \u0111\u1ecbnh c\u00e1c Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 b\u1ea3n \u0111\u1ed3 c\u00e1c t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian. Ch\u00fang th\u1ec3 hi\u1ec7n th\u1ee9 t\u1ef1 c\u00e1c tin nh\u1eafn gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng x\u00e1c \u0111\u1ecbnh \u201cc\u00e1i g\u00ec\u201d, trong khi S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 gi\u00fap x\u00e1c \u0111\u1ecbnh \u201cl\u00e0m th\u1ebf n\u00e0o\u201d.<\/p>\n

            S\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3<\/h3>\n

            C\u00e1c Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u01b0\u1eddng y\u00eau c\u1ea7u d\u1eef li\u1ec7u. S\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u tr\u00fac d\u1eef li\u1ec7u. S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho bi\u1ebft d\u1eef li\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c truy c\u1eadp, c\u00f2n S\u01a1 \u0111\u1ed3 ER cho bi\u1ebft d\u1eef li\u1ec7u \u0111\u00f3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n

            Vai tr\u00f2 c\u1ee7a c\u00f4ng c\u1ee5 trong qu\u00e1 tr\u00ecnh \ud83d\udda5\ufe0f<\/h2>\n

            M\u1eb7c d\u00f9 h\u01b0\u1edbng d\u1eabn n\u00e0y tr\u00e1nh n\u00eau t\u00ean ph\u1ea7n m\u1ec1m c\u1ee5 th\u1ec3, nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i c\u00f4ng nh\u1eadn vai tr\u00f2 c\u1ee7a c\u00f4ng c\u1ee5 trong qu\u00e1 tr\u00ecnh t\u1ea1o d\u1ef1ng. C\u00e1c chuy\u00ean gia ph\u00e2n t\u00edch s\u1eed d\u1ee5ng c\u00e1c \u1ee9ng d\u1ee5ng v\u1ebd s\u01a1 \u0111\u1ed3 \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh n\u00e0y. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y h\u1ed7 tr\u1ee3 duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 t\u1ea1o t\u00e0i li\u1ec7u.<\/p>\n

            Khi ch\u1ecdn c\u00f4ng c\u1ee5, h\u00e3y c\u00e2n nh\u1eafc c\u00e1c ti\u00eau ch\u00ed sau:<\/p>\n

              \n
            • Tu\u00e2n th\u1ee7 chu\u1ea9n:<\/strong> \u0110\u1ea3m b\u1ea3o c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 k\u00fd hi\u1ec7u UML ti\u00eau chu\u1ea9n.<\/li>\n
            • H\u1ee3p t\u00e1c:<\/strong> C\u00f3 th\u1ec3 nhi\u1ec1u ng\u01b0\u1eddi c\u00f9ng l\u00e0m vi\u1ec7c tr\u00ean s\u01a1 \u0111\u1ed3 m\u1ed9t l\u00fac kh\u00f4ng?<\/li>\n
            • T\u00f9y ch\u1ecdn xu\u1ea5t:<\/strong> S\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 xu\u1ea5t ra \u0111\u1ecbnh d\u1ea1ng h\u00ecnh \u1ea3nh ho\u1eb7c PDF \u0111\u1ec3 b\u00e1o c\u00e1o kh\u00f4ng?<\/li>\n
            • Kh\u1ea3 n\u0103ng m\u00f4 h\u00ecnh h\u00f3a:<\/strong> N\u00f3 c\u00f3 h\u1ed7 tr\u1ee3 li\u00ean k\u1ebft \u0111\u1ebfn m\u00f4 t\u1ea3 v\u0103n b\u1ea3n kh\u00f4ng?<\/li>\n<\/ul>\n

              C\u00f4ng c\u1ee5 ch\u1ec9 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n. Gi\u00e1 tr\u1ecb n\u1eb1m \u1edf ph\u00e2n t\u00edch m\u00e0 sinh vi\u00ean th\u1ef1c hi\u1ec7n. S\u01a1 \u0111\u1ed3 l\u00e0 c\u00f4ng c\u1ee5 suy ngh\u0129, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t b\u1ee9c v\u1ebd.<\/p>\n

              V\u00ed d\u1ee5 nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p: H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd th\u01b0 vi\u1ec7n \ud83d\udcda<\/h2>\n

              \u0110\u1ec3 minh h\u1ecda c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y, h\u00e3y xem x\u00e9t m\u1ed9t H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd th\u01b0 vi\u1ec7n. V\u00ed d\u1ee5 n\u00e0y minh h\u1ecda c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc \u0111\u00e3 th\u1ea3o lu\u1eadn.<\/p>\n

              C\u00e1c t\u00e1c nh\u00e2n<\/h3>\n
                \n
              • Th\u01b0 vi\u1ec7n vi\u00ean:<\/strong> Qu\u1ea3n l\u00fd s\u00e1ch v\u00e0 th\u00e0nh vi\u00ean.<\/li>\n
              • Th\u00e0nh vi\u00ean:<\/strong> M\u01b0\u1ee3n v\u00e0 tr\u1ea3 s\u00e1ch.<\/li>\n
              • H\u1ec7 th\u1ed1ng:<\/strong> Th\u00f4ng b\u00e1o t\u1ef1 \u0111\u1ed9ng.<\/li>\n<\/ul>\n

                C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n
                  \n
                • \u0110\u0103ng k\u00fd th\u00e0nh vi\u00ean:<\/strong> Th\u00e0nh vi\u00ean m\u1edbi \u0111\u0103ng k\u00fd.<\/li>\n
                • M\u01b0\u1ee3n s\u00e1ch:<\/strong> Th\u00e0nh vi\u00ean mang s\u00e1ch v\u1ec1 nh\u00e0.<\/li>\n
                • Tr\u1ea3 s\u00e1ch:<\/strong> Th\u00e0nh vi\u00ean tr\u1ea3 l\u1ea1i s\u00e1ch.<\/li>\n
                • T\u00ecm ki\u1ebfm danh m\u1ee5c:<\/strong> Th\u00e0nh vi\u00ean t\u00ecm ki\u1ebfm m\u1ed9t cu\u1ed1n s\u00e1ch.<\/li>\n
                • Ph\u1ea1t vi ph\u1ea1m:<\/strong> H\u1ec7 th\u1ed1ng t\u00ednh to\u00e1n kho\u1ea3n ph\u1ea1t qu\u00e1 h\u1ea1n.<\/li>\n<\/ul>\n

                  C\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n
                    \n
                  • Th\u01b0 vi\u1ec7n vi\u00ean<\/strong> \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi \u0110\u0103ng k\u00fd Th\u00e0nh vi\u00ean<\/strong>.<\/li>\n
                  • Th\u00e0nh vi\u00ean<\/strong> \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi M\u01b0\u1ee3n S\u00e1ch<\/strong>.<\/li>\n
                  • M\u01b0\u1ee3n S\u00e1ch<\/strong> bao g\u1ed3m T\u00ecm ki\u1ebfm Danh m\u1ee5c<\/strong> (b\u1ea1n ph\u1ea3i t\u00ecm th\u1ea5y s\u00e1ch tr\u01b0\u1edbc khi m\u01b0\u1ee3n).<\/li>\n
                  • Tr\u1ea3 S\u00e1ch<\/strong> m\u1edf r\u1ed9ng Ph\u1ea1t Vi ph\u1ea1m<\/strong> (ph\u1ea1t ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e1t n\u1ebfu qu\u00e1 h\u1ea1n).<\/li>\n<\/ul>\n

                    C\u1ea5u tr\u00fac n\u00e0y \u0111\u1ea3m b\u1ea3o ph\u1ea1m vi \u0111\u01b0\u1ee3c r\u00f5 r\u00e0ng. M\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u hi\u1ec3u ai l\u00e0m g\u00ec. \u0110\u01b0\u1eddng ranh gi\u1edbi t\u00e1ch bi\u1ec7t ph\u1ea7n m\u1ec1m th\u01b0 vi\u1ec7n kh\u1ecfi th\u00e0nh vi\u00ean v\u00e0 th\u1ee7 th\u01b0.<\/p>\n

                    Nh\u1eefng X\u00e9t \u0111\u1ebfn N\u00e2ng cao cho C\u00e1c H\u1ec7 th\u1ed1ng Ph\u1ee9c t\u1ea1p \ud83d\udd2c<\/h2>\n

                    Khi c\u00e1c h\u1ec7 th\u1ed1ng ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, s\u01a1 \u0111\u1ed3 c\u0169ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n. C\u00e1c h\u1ec7 th\u1ed1ng th\u00f4ng tin l\u1edbn c\u00f3 th\u1ec3 y\u00eau c\u1ea7u nhi\u1ec1u s\u01a1 \u0111\u1ed3 Use Case. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u00e2n v\u00f9ng.<\/p>\n

                    S\u01a1 \u0111\u1ed3 G\u00f3i<\/h3>\n

                    Khi m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 h\u00e0ng tr\u0103m Use Case, m\u1ed9t s\u01a1 \u0111\u1ed3 duy nh\u1ea5t tr\u1edf n\u00ean kh\u00f3 \u0111\u1ecdc. B\u1ea1n c\u00f3 th\u1ec3 nh\u00f3m c\u00e1c Use Case th\u00e0nh c\u00e1c g\u00f3i. Nh\u1eefng g\u00f3i n\u00e0y sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n trong m\u1ed9t s\u01a1 \u0111\u1ed3 c\u1ea5p cao h\u01a1n. S\u1ef1 tr\u1eebu t\u01b0\u1ee3ng n\u00e0y cho ph\u00e9p b\u1ea1n xem h\u1ec7 th\u1ed1ng \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 chi ti\u1ebft kh\u00e1c nhau.<\/p>\n

                    C\u00e1c H\u1ec7 th\u1ed1ng con<\/h3>\n

                    C\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p th\u01b0\u1eddng c\u00f3 c\u00e1c h\u1ec7 th\u1ed1ng con b\u00ean trong. M\u1ed9t s\u01a1 \u0111\u1ed3 Use Case c\u00f3 th\u1ec3 m\u00f4 h\u00ecnh h\u00f3a s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng con n\u00e0y. Xem h\u1ec7 th\u1ed1ng con nh\u01b0 m\u1ed9t Ng\u01b0\u1eddi tham gia trong s\u01a1 \u0111\u1ed3 cha. \u0110i\u1ec1u n\u00e0y duy tr\u00ec logic ranh gi\u1edbi trong khi c\u00f4ng nh\u1eadn \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u00ean trong.<\/p>\n

                    Xem x\u00e9t v\u00e0 X\u00e1c nh\u1eadn \u2705<\/h2>\n

                    M\u1ed9t khi s\u01a1 \u0111\u1ed3 ho\u00e0n t\u1ea5t, vi\u1ec7c x\u00e1c nh\u1eadn l\u00e0 c\u1ea7n thi\u1ebft. M\u1ed9t s\u01a1 \u0111\u1ed3 m\u00e0 kh\u00f4ng ai hi\u1ec3u \u0111\u01b0\u1ee3c l\u00e0 th\u1ea5t b\u1ea1i. Vi\u1ec7c x\u00e1c nh\u1eadn bao g\u1ed3m vi\u1ec7c ki\u1ec3m tra m\u00f4 h\u00ecnh so v\u1edbi c\u00e1c y\u00eau c\u1ea7u.<\/p>\n

                      \n
                    • \u0110i\u1ec3m qua:<\/strong> \u0110i\u1ec3m qua s\u01a1 \u0111\u1ed3 c\u00f9ng m\u1ed9t b\u00ean li\u00ean quan. H\u1ecfi xem lu\u1ed3ng c\u00f3 h\u1ee3p l\u00fd kh\u00f4ng.<\/li>\n
                    • Ki\u1ec3m tra T\u00ednh \u0111\u1ea7y \u0111\u1ee7:<\/strong> X\u00e1c minh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u \u0111\u1ec1u \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 v\u00e0o \u00edt nh\u1ea5t m\u1ed9t Use Case.<\/li>\n
                    • Ki\u1ec3m tra T\u00ednh nh\u1ea5t qu\u00e1n:<\/strong> \u0110\u1ea3m b\u1ea3o c\u00e1c quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean nh\u1ea5t qu\u00e1n tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c Use Case v\u00e0 Ng\u01b0\u1eddi tham gia.<\/li>\n
                    • Ph\u00e2n t\u00edch kho\u1ea3ng tr\u1ed1ng:<\/strong> T\u00ecm ki\u1ebfm c\u00e1c t\u01b0\u01a1ng t\u00e1c b\u1ecb thi\u1ebfu. C\u00f3 c\u00e1c t\u00e1c nh\u00e2n n\u00e0o kh\u00f4ng k\u1ebft n\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 th\u1ee9 g\u00ec kh\u00f4ng? C\u00f3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00e0o m\u00e0 kh\u00f4ng c\u00f3 t\u00e1c nh\u00e2n n\u00e0o c\u00f3 th\u1ec3 truy c\u1eadp kh\u00f4ng?<\/li>\n<\/ul>\n

                      Suy ngh\u0129 cu\u1ed1i c\u00f9ng v\u1ec1 vi\u1ec7c v\u1ebd s\u01a1 \u0111\u1ed3 \ud83c\udf1f<\/h2>\n

                      Vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n qua th\u1ef1c h\u00e0nh. N\u00f3 \u0111\u00f2i h\u1ecfi t\u01b0 duy ph\u00e2n t\u00edch v\u00e0 giao ti\u1ebfp r\u00f5 r\u00e0ng. \u0110\u1ed1i v\u1edbi sinh vi\u00ean ng\u00e0nh H\u1ec7 th\u1ed1ng Th\u00f4ng tin, \u0111\u00e2y l\u00e0 m\u1ed9t n\u0103ng l\u1ef1c n\u1ec1n t\u1ea3ng. \u0110\u00e2y l\u00e0 ng\u00f4n ng\u1eef \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i nhu c\u1ea7u kinh doanh th\u00e0nh c\u00e1c \u0111\u1eb7c t\u1ea3 k\u1ef9 thu\u1eadt.<\/p>\n

                      B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o c\u00e1c t\u00e1c nh\u00e2n, m\u1ee5c ti\u00eau v\u00e0 ranh gi\u1edbi, sinh vi\u00ean c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh v\u1eefng ch\u1eafc v\u00e0 h\u1eefu \u00edch. Nh\u1eefng m\u00f4 h\u00ecnh n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf cho qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. Ch\u00fang ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng m\u1edf r\u1ed9ng ph\u1ea1m vi v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng cu\u1ed1i c\u00f9ng \u0111\u00e1p \u1ee9ng \u0111\u00fang y\u00eau c\u1ea7u \u0111\u00e3 \u0111\u1ecbnh.<\/p>\n

                      H\u00e3y nh\u1edb r\u1eb1ng s\u01a1 \u0111\u1ed3 l\u00e0 m\u1ed9t t\u00e1c ph\u1ea9m s\u1ed1ng \u0111\u1ed9ng. Khi y\u00eau c\u1ea7u thay \u0111\u1ed5i, s\u01a1 \u0111\u1ed3 c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c m\u1ed9t l\u1ea7n m\u00e0 l\u00e0 qu\u00e1 tr\u00ecnh c\u1ea3i ti\u1ebfn li\u00ean t\u1ee5c. H\u00e3y ki\u00ean tr\u00ec, duy tr\u00ec chu\u1ea9n k\u00fd hi\u1ec7u v\u00e0 lu\u00f4n \u01b0u ti\u00ean s\u1ef1 r\u00f5 r\u00e0ng h\u01a1n l\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p.<\/p>\n

                      V\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft n\u00e0y, sinh vi\u00ean s\u1ebd \u0111\u01b0\u1ee3c trang b\u1ecb t\u1ed1t \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c d\u1ef1 \u00e1n ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng. S\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu trong b\u1ed9 c\u00f4ng c\u1ee5 c\u1ee7a k\u1ef9 s\u01b0. N\u00f3 mang l\u1ea1i c\u1ea5u tr\u00fac cho s\u1ef1 h\u1ed7n lo\u1ea1n c\u1ee7a c\u00e1c y\u00eau c\u1ea7u. N\u00f3 bi\u1ebfn nh\u1eefng \u00fd t\u01b0\u1edfng tr\u1eebu t\u01b0\u1ee3ng th\u00e0nh c\u00e1c k\u1ebf ho\u1ea1ch h\u00e0nh \u0111\u1ed9ng. \ud83d\ude80<\/p>\n","protected":false},"excerpt":{"rendered":"

                      Sinh vi\u00ean H\u1ec7 th\u1ed1ng Th\u00f4ng tin th\u01b0\u1eddng g\u1eb7p m\u1ed9t th\u1eddi \u0111i\u1ec3m then ch\u1ed1t trong h\u00e0nh tr\u00ecnh h\u1ecdc t\u1eadp c\u1ee7a m\u00ecnh. \u0110\u00f3 l\u00e0 l\u00fac c\u00e1c y\u00eau c\u1ea7u tr\u1eebu t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c chuy\u1ec3n…<\/p>\n","protected":false},"author":1,"featured_media":1628,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u01b0\u1edbng d\u1eabn nhanh v\u1ec1 s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho sinh vi\u00ean ng\u00e0nh H\u1ec7 th\u1ed1ng Th\u00f4ng tin \u2699\ufe0f","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch t\u1ea1o s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho H\u1ec7 th\u1ed1ng Th\u00f4ng tin. M\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c t\u00e1c nh\u00e2n, ranh gi\u1edbi, m\u1ed1i quan h\u1ec7 v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t d\u00e0nh cho sinh vi\u00ean.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[57],"tags":[82,90],"class_list":["post-1627","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language","tag-academic","tag-use-case-diagram"],"yoast_head":"\nH\u01b0\u1edbng d\u1eabn nhanh v\u1ec1 s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho sinh vi\u00ean ng\u00e0nh H\u1ec7 th\u1ed1ng Th\u00f4ng tin \u2699\ufe0f<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1ch t\u1ea1o s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho H\u1ec7 th\u1ed1ng Th\u00f4ng tin. M\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c t\u00e1c nh\u00e2n, ranh gi\u1edbi, m\u1ed1i quan h\u1ec7 v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t d\u00e0nh cho sinh vi\u00ean.\" \/>\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.go-diagram.com\/vi\/quick-start-use-case-diagrams-information-systems-students\/\" \/>\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 nhanh v\u1ec1 s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho sinh vi\u00ean ng\u00e0nh H\u1ec7 th\u1ed1ng Th\u00f4ng tin \u2699\ufe0f\" \/>\n<meta property=\"og:description\" content=\"H\u1ecdc c\u00e1ch t\u1ea1o s\u01a1 \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng cho H\u1ec7 th\u1ed1ng Th\u00f4ng tin. 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