{"id":2082,"date":"2026-03-23T23:00:31","date_gmt":"2026-03-23T23:00:31","guid":{"rendered":"https:\/\/www.go-diagram.com\/vn\/team-friendly-erd-documentation-standards\/"},"modified":"2026-03-22T05:17:10","modified_gmt":"2026-03-22T05:17:10","slug":"team-friendly-erd-documentation-standards","status":"publish","type":"post","link":"https:\/\/www.go-diagram.com\/vn\/team-friendly-erd-documentation-standards\/","title":{"rendered":"T\u00e0i li\u1ec7u ERD th\u00e2n thi\u1ec7n v\u1edbi nh\u00f3m: C\u00e1c ti\u00eau chu\u1ea9n gi\u00fap c\u1ea3i thi\u1ec7n s\u1ef1 h\u1ee3p t\u00e1c"},"content":{"rendered":"

M\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a b\u1ea5t k\u1ef3 ki\u1ebfn tr\u00fac \u1ee9ng d\u1ee5ng v\u1eefng ch\u1eafc n\u00e0o. Khi c\u00e1c nh\u00f3m h\u1ee3p t\u00e1c x\u00e2y d\u1ef1ng l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u, s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 (ERD) \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n s\u1ef1 th\u1eadt duy nh\u1ea5t. Tuy nhi\u00ean, n\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c th\u1ef1c h\u00e0nh t\u00e0i li\u1ec7u h\u00f3a \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a, c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y th\u01b0\u1eddng tr\u1edf th\u00e0nh ngu\u1ed3n g\u1ed1c c\u1ee7a s\u1ef1 nh\u1ea7m l\u1eabn thay v\u00ec s\u1ef1 r\u00f5 r\u00e0ng. S\u1ef1 kh\u00f4ng r\u00f5 r\u00e0ng v\u1ec1 c\u1ea5u tr\u00fac d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u00e1t tri\u1ec3n kh\u00f4ng nh\u1ea5t qu\u00e1n, gia t\u0103ng l\u1ed7i v\u00e0 chu k\u1ef3 tri\u1ec3n khai ch\u1eadm h\u01a1n. H\u01b0\u1edbng d\u1eabn n\u00e0y ph\u00e1c th\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n thi\u1ebft y\u1ebfu \u0111\u1ec3 t\u1ea1o ra t\u00e0i li\u1ec7u ERD h\u1ed7 tr\u1ee3 s\u1ef1 h\u1ee3p t\u00e1c nh\u00f3m li\u1ec1n m\u1ea1ch.<\/p>\n

M\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 v\u1ebd c\u00e1c h\u1ed9p v\u00e0 \u0111\u01b0\u1eddng k\u1ebb. \u0110\u00f3 l\u00e0 m\u1ed9t giao th\u1ee9c giao ti\u1ebfp gi\u1eefa c\u00e1c qu\u1ea3n tr\u1ecb vi\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u, k\u1ef9 s\u01b0 backend v\u00e0 qu\u1ea3n l\u00fd s\u1ea3n ph\u1ea9m. Khi m\u1ecdi ng\u01b0\u1eddi c\u00f9ng s\u1eed d\u1ee5ng m\u1ed9t ng\u00f4n ng\u1eef tr\u1ef1c quan, r\u1ee7i ro hi\u1ec3u sai s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3. C\u00e1c ph\u1ea7n sau \u0111\u00e2y s\u1ebd chi ti\u1ebft h\u00f3a c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 c\u1ea5u tr\u00fac, c\u00fa ph\u00e1p v\u00e0 quy tr\u00ecnh c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec t\u00e0i li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n

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

\ud83d\udcdd C\u00e1c quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean n\u1ec1n t\u1ea3ng<\/h2>\n

C\u00e1c quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean t\u1ea1o n\u00ean l\u1edbp \u0111\u1ea7u ti\u00ean c\u1ee7a s\u1ef1 r\u00f5 r\u00e0ng trong b\u1ea5t k\u1ef3 b\u1ed9 t\u00e0i li\u1ec7u n\u00e0o. Vi\u1ec7c \u0111\u1eb7t t\u00ean kh\u00f4ng nh\u1ea5t qu\u00e1n t\u1ea1o ra ma s\u00e1t nh\u1eadn th\u1ee9c. M\u1ed9t l\u1eadp tr\u00ecnh vi\u00ean \u0111\u1ecdc l\u01b0\u1ee3c \u0111\u1ed3 kh\u00f4ng n\u00ean ph\u1ea3i \u0111o\u00e1n \u00fd ngh\u0129a c\u1ee7a t\u00ean c\u1ed9t. Vi\u1ec7c chu\u1ea9n h\u00f3a \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c t\u00ean c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c tr\u00ean to\u00e0n b\u1ed9 d\u1ef1 \u00e1n.<\/p>\n

    \n
  • T\u00ednh nh\u1ea5t qu\u00e1n l\u00e0 ch\u00eca kh\u00f3a:<\/strong>H\u00e3y \u00e1p d\u1ee5ng m\u1ed9t h\u01b0\u1edbng d\u1eabn phong c\u00e1ch duy nh\u1ea5t cho to\u00e0n b\u1ed9 t\u1ed5 ch\u1ee9c. D\u00f9 b\u1ea1n ch\u1ecdn snake_case, camelCase hay PascalCase, quy\u1ebft \u0111\u1ecbnh \u0111\u00f3 n\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a ra m\u1ed9t l\u1ea7n v\u00e0 \u00e1p d\u1ee5ng m\u1ed9t c\u00e1ch ph\u1ed5 qu\u00e1t.<\/li>\n
  • S\u1ed1 nhi\u1ec1u so v\u1edbi s\u1ed1 \u00edt:<\/strong>C\u00e1c b\u1ea3ng th\u01b0\u1eddng bi\u1ec3u di\u1ec5n c\u00e1c b\u1ed9 s\u01b0u t\u1eadp th\u1ef1c th\u1ec3, do \u0111\u00f3 vi\u1ec7c \u0111\u1eb7t t\u00ean \u1edf s\u1ed1 nhi\u1ec1u (v\u00ed d\u1ee5: “users<\/code>, orders<\/code>) th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean. C\u00e1c c\u1ed9t trong c\u00e1c b\u1ea3ng \u0111\u00f3 n\u00ean \u1edf d\u1ea1ng s\u1ed1 \u00edt (v\u00ed d\u1ee5: “user_id<\/code>, order_date<\/code>).<\/li>\n
  • S\u1ef1 r\u00f5 r\u00e0ng c\u1ee7a kh\u00f3a ngo\u1ea1i:<\/strong>Vi\u1ec7c \u0111\u1eb7t t\u00ean c\u00e1c m\u1ed1i quan h\u1ec7 m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng gi\u00fap \u00edch cho vi\u1ec7c hi\u1ec3u. M\u1ed9t c\u1ed9t tham chi\u1ebfu \u0111\u1ebfn b\u1ea3ng “users<\/code>” b\u1ea3ng n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean l\u00e0 “user_id<\/code>” thay v\u00ec ch\u1ec9 l\u00e0 “id<\/code>. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf s\u1ef1 kh\u00f4ng r\u00f5 r\u00e0ng v\u1ec1 vi\u1ec7c m\u1ed1i quan h\u1ec7 thu\u1ed9c v\u1ec1 b\u1ea3ng n\u00e0o.<\/li>\n
  • K\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t:<\/strong>Tr\u00e1nh s\u1eed d\u1ee5ng d\u1ea5u c\u00e1ch v\u00e0 k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t trong t\u00ean b\u1ea3ng ho\u1eb7c t\u00ean c\u1ed9t. Nh\u1eefng k\u00fd t\u1ef1 n\u00e0y y\u00eau c\u1ea7u ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u1ea5u ngo\u1eb7c k\u00e9p trong c\u00e1c truy v\u1ea5n SQL v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i trong c\u00e1c c\u00f4ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng. Thay v\u00e0o \u0111\u00f3, h\u00e3y s\u1eed d\u1ee5ng d\u1ea5u g\u1ea1ch d\u01b0\u1edbi ho\u1eb7c camelCase.<\/li>\n
  • Ph\u00e2n bi\u1ec7t ch\u1eef hoa ch\u1eef th\u01b0\u1eddng:<\/strong>H\u00e3y l\u01b0u \u00fd \u0111\u1ebfn c\u00f4ng c\u1ee5 c\u01a1 s\u1edf d\u1eef li\u1ec7u n\u1ec1n t\u1ea3ng. M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng ph\u00e2n bi\u1ec7t ch\u1eef hoa ch\u1eef th\u01b0\u1eddng, trong khi m\u1ed9t s\u1ed1 th\u00ec kh\u00f4ng. Vi\u1ec7c t\u00e0i li\u1ec7u h\u00f3a phong c\u00e1ch ch\u1eef hoa\/ch\u1eef th\u01b0\u1eddng ti\u00eau chu\u1ea9n s\u1ebd ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 tri\u1ec3n khai tr\u00ean c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau.<\/li>\n<\/ul>\n

    H\u00e3y c\u00e2n nh\u1eafc t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c \u0111\u1eb7t t\u00ean \u0111\u1ed1i v\u1edbi vi\u1ec7c b\u1ea3o tr\u00ec d\u00e0i h\u1ea1n. Khi h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean m\u1edbi s\u1ebd tham gia v\u00e0o nh\u00f3m. C\u00e1c t\u00ean r\u00f5 r\u00e0ng gi\u00fap gi\u1ea3m th\u1eddi gian h\u1ed9i nh\u1eadp c\u1ea7n thi\u1ebft \u0111\u1ec3 hi\u1ec3u c\u1ea5u tr\u00fac d\u1eef li\u1ec7u. Th\u00e0 d\u00e0i d\u00f2ng c\u00f2n h\u01a1n l\u00e0 b\u00ed \u1ea9n. M\u1ed9t t\u00ean nh\u01b0 “customer_primary_email_address<\/code> r\u00f5 r\u00e0ng h\u01a1n cp_email<\/code>, ngay c\u1ea3 khi c\u00e1i sau ng\u1eafn h\u01a1n.<\/p>\n

    \ud83d\udd17 X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c<\/h2>\n

    C\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3 x\u00e1c \u0111\u1ecbnh t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u00f4 h\u00ecnh d\u1eef li\u1ec7u. M\u1ed9t s\u01a1 \u0111\u1ed3 ERD ph\u1ea3i truy\u1ec1n \u0111\u1ea1t r\u00f5 r\u00e0ng c\u00e1ch c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u k\u1ebft n\u1ed1i v\u1edbi nhau. C\u00e1c \u0111\u01b0\u1eddng n\u00e9t m\u01a1 h\u1ed3 v\u00e0 nh\u00e3n thi\u1ebfu d\u1eabn \u0111\u1ebfn nh\u1eefng gi\u1ea3 \u0111\u1ecbnh th\u01b0\u1eddng b\u1ecb sai l\u1ec7ch trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai.<\/p>\n

    K\u00fd hi\u1ec7u l\u1ef1c l\u01b0\u1ee3ng<\/h3>\n

    L\u1ef1c l\u01b0\u1ee3ng m\u00f4 t\u1ea3 m\u1ed1i quan h\u1ec7 s\u1ed1 l\u01b0\u1ee3ng gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3. Vi\u1ec7c chu\u1ea9n h\u00f3a k\u00fd hi\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1 \u0111\u1ed3 gi\u00fap ng\u0103n ng\u1eeba hi\u1ec3u l\u1ea7m.<\/p>\n

      \n
    • M\u1ed9t-m\u1ed9t (1:1):<\/strong>Cho th\u1ea5y m\u1ed9t b\u1ea3n ghi trong m\u1ed9t b\u1ea3ng t\u01b0\u01a1ng \u1ee9ng ch\u00ednh x\u00e1c v\u1edbi m\u1ed9t b\u1ea3n ghi trong b\u1ea3ng kh\u00e1c. \u0110i\u1ec1u n\u00e0y ph\u1ed5 bi\u1ebfn \u0111\u1ec3 t\u00e1ch bi\u1ec7t d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m ho\u1eb7c m\u1edf r\u1ed9ng h\u1ed3 s\u01a1 c\u1ee5 th\u1ec3.<\/li>\n
    • M\u1ed9t-nhi\u1ec1u (1:N):<\/strong> M\u1ed1i quan h\u1ec7 ph\u1ed5 bi\u1ebfn nh\u1ea5t. M\u1ed9t b\u1ea3n ghi trong b\u1ea3ng cha li\u00ean quan \u0111\u1ebfn nhi\u1ec1u b\u1ea3n ghi trong b\u1ea3ng con. V\u00ed d\u1ee5, m\u1ed9t kh\u00e1ch h\u00e0ng<\/code> c\u00f3 th\u1ec3 \u0111\u1eb7t nhi\u1ec1u \u0111\u01a1n h\u00e0ng<\/code>.<\/li>\n
    • Nhi\u1ec1u-nhi\u1ec1u (M:N):<\/strong> Y\u00eau c\u1ea7u m\u1ed9t b\u1ea3ng trung gian. \u0110i\u1ec1u n\u00e0y kh\u00f4ng bao gi\u1edd n\u00ean \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng \u0111\u01b0\u1eddng th\u1eb3ng tr\u1ef1c ti\u1ebfp trong m\u00f4 h\u00ecnh logic m\u00e0 kh\u00f4ng c\u00f3 th\u1ef1c th\u1ec3 c\u1ea7u n\u1ed1i. H\u00e3y hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng b\u1ea3ng trung gian \u0111\u1ec3 l\u00e0m r\u00f5 c\u1ea5u tr\u00fac.<\/li>\n<\/ul>\n

      T\u00ednh t\u00f9y ch\u1ecdn v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c<\/h3>\n

      Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c m\u1ed1i quan h\u1ec7 \u0111\u1ec1u b\u1eaft bu\u1ed9c. S\u01a1 \u0111\u1ed3 c\u1ea7n ch\u1ec9 ra li\u1ec7u m\u1ed9t m\u1ed1i quan h\u1ec7 l\u00e0 t\u00f9y ch\u1ecdn hay b\u1eaft bu\u1ed9c.<\/p>\n

        \n
      • Tham gia b\u1eaft bu\u1ed9c:<\/strong> M\u1ecdi b\u1ea3n ghi trong b\u1ea3ng con \u0111\u1ec1u ph\u1ea3i c\u00f3 m\u1ed9t b\u1ea3n ghi cha. V\u00ed d\u1ee5, m\u1ecdi d\u00f2ng \u0111\u01a1n h\u00e0ng<\/code> \u0111\u1ec1u ph\u1ea3i thu\u1ed9c v\u1ec1 m\u1ed9t \u0111\u01a1n h\u00e0ng<\/code>.<\/li>\n
      • Tham gia t\u00f9y ch\u1ecdn:<\/strong> M\u1ed9t b\u1ea3n ghi c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i m\u00e0 kh\u00f4ng c\u00f3 b\u1ea3n ghi cha. V\u00ed d\u1ee5, m\u1ed9t ng\u01b0\u1eddi d\u00f9ng<\/code> h\u1ed3 s\u01a1 c\u00f3 th\u1ec3 kh\u00f4ng c\u00f3 m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n<\/code>ngay l\u1eadp t\u1ee9c khi \u0111\u0103ng k\u00fd.<\/li>\n<\/ul>\n

        K\u00fd hi\u1ec7u tr\u1ef1c quan r\u1ea5t quan tr\u1ecdng \u1edf \u0111\u00e2y. H\u00e3y s\u1eed d\u1ee5ng c\u00e1c k\u00fd hi\u1ec7u c\u1ee5 th\u1ec3 (nh\u01b0 ch\u00e2n qu\u1ea1 ho\u1eb7c c\u00e1c \u0111\u1ea7u n\u1ed1i \u0111\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t) \u0111\u1ec3 bi\u1ec3u th\u1ecb c\u00e1c r\u00e0ng bu\u1ed9c n\u00e0y. \u0110\u1eebng ch\u1ec9 d\u1ef1a v\u00e0o v\u0103n b\u1ea3n \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1c quy t\u1eafc. Bi\u1ec3u di\u1ec5n tr\u1ef1c quan ph\u1ea3i t\u1ef1 gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi \u0111\u1ed1i t\u01b0\u1ee3ng k\u1ef9 thu\u1eadt.<\/p>\n

        \ud83d\udcc2 Ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n cho l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h2>\n

        C\u0169ng nh\u01b0 m\u00e3 \u1ee9ng d\u1ee5ng c\u1ea7n ki\u1ec3m so\u00e1t phi\u00ean b\u1ea3n, l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u0169ng v\u1eady. T\u00e0i li\u1ec7u kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m t\u0129nh; n\u00f3 ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi h\u1ec7 th\u1ed1ng. N\u1ebfu kh\u00f4ng c\u00f3 quy tr\u00ecnh theo d\u00f5i thay \u0111\u1ed5i, s\u01a1 \u0111\u1ed3 s\u1ebd d\u1ea7n d\u1ea7n l\u1ec7ch kh\u1ecfi tr\u1ea1ng th\u00e1i th\u1ef1c t\u1ebf c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n

          \n
        • Nh\u1eadt k\u00fd thay \u0111\u1ed5i:<\/strong>M\u1ecdi s\u1eeda \u0111\u1ed5i \u0111\u1ed1i v\u1edbi s\u01a1 \u0111\u1ed3 ERD \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c ghi l\u1ea1i. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m ng\u00e0y th\u00e1ng, t\u00e1c gi\u1ea3, b\u1ea3n ch\u1ea5t c\u1ee7a thay \u0111\u1ed5i v\u00e0 l\u00fd do c\u1ee7a thay \u0111\u1ed5i \u0111\u00f3.<\/li>\n
        • Phi\u00ean b\u1ea3n g\u1ed1c:<\/strong>X\u00e1c \u0111\u1ecbnh m\u1ed9t phi\u00ean b\u1ea3n g\u1ed1c cho c\u00e1c b\u1ea3n ph\u00e1t h\u00e0nh c\u1ee5 th\u1ec3. N\u1ebfu m\u1ed9t t\u00ednh n\u0103ng \u0111ang \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, t\u00e0i li\u1ec7u ph\u1ea3i ph\u1ea3n \u00e1nh tr\u1ea1ng th\u00e1i c\u1ee7a l\u01b0\u1ee3c \u0111\u1ed3 c\u1ea7n thi\u1ebft cho t\u00ednh n\u0103ng \u0111\u00f3.<\/li>\n
        • Theo d\u00f5i di chuy\u1ec3n:<\/strong>Li\u00ean k\u1ebft t\u00e0i li\u1ec7u v\u1edbi c\u00e1c k\u1ecbch b\u1ea3n di chuy\u1ec3n. N\u1ebfu m\u1ed9t c\u1ed9t \u0111\u01b0\u1ee3c th\u00eam v\u00e0o, t\u00e0i li\u1ec7u ph\u1ea3i tham chi\u1ebfu \u0111\u1ebfn k\u1ecbch b\u1ea3n di chuy\u1ec3n th\u1ef1c hi\u1ec7n thay \u0111\u1ed5i n\u00e0y.<\/li>\n
        • Gi\u1ea3i quy\u1ebft xung \u0111\u1ed9t:<\/strong>Khi nhi\u1ec1u nh\u00f3m c\u00f9ng s\u1eeda \u0111\u1ed5i l\u01b0\u1ee3c \u0111\u1ed3, chi\u1ebfn l\u01b0\u1ee3c phi\u00ean b\u1ea3n s\u1ebd ng\u0103n ch\u1eb7n vi\u1ec7c ghi \u0111\u00e8. H\u00e3y x\u00e1c \u0111\u1ecbnh ch\u1ee7 s\u1edf h\u1eefu c\u1ee7a t\u1eebng ph\u1ea7n l\u01b0\u1ee3c \u0111\u1ed3 \u0111\u1ec3 tr\u00e1nh xung \u0111\u1ed9t kh\u00f4ng ch\u1ee7 \u00fd.<\/li>\n<\/ul>\n

          Vi\u1ec7c duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a s\u01a1 \u0111\u1ed3 theo th\u1eddi gian l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1ed7i th\u1eddi c\u00f2n t\u1ec7 h\u01a1n l\u00e0 kh\u00f4ng c\u00f3 s\u01a1 \u0111\u1ed3, v\u00ec n\u00f3 t\u1ea1o ra c\u1ea3m gi\u00e1c an to\u00e0n gi\u1ea3 t\u1ea1o. C\u00e1c nh\u00f3m c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng t\u00ednh n\u0103ng d\u1ef1a tr\u00ean th\u00f4ng tin \u0111\u00e3 kh\u00f4ng c\u00f2n t\u1ed3n t\u1ea1i.<\/p>\n

          \ud83d\udcc4 Si\u00eau d\u1eef li\u1ec7u v\u00e0 th\u00f4ng tin ng\u1eef c\u1ea3nh<\/h2>\n

          Chi ti\u1ebft k\u1ef9 thu\u1eadt l\u00e0 ch\u01b0a \u0111\u1ee7. T\u00e0i li\u1ec7u ph\u1ea3i bao g\u1ed3m si\u00eau d\u1eef li\u1ec7u cung c\u1ea5p ng\u1eef c\u1ea3nh cho vi\u1ec7c ra quy\u1ebft \u0111\u1ecbnh. T\u1ea1i sao m\u1ed9t l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf c\u1ee5 th\u1ec3 l\u1ea1i \u0111\u01b0\u1ee3c \u0111\u01b0a ra? Ai l\u00e0 ch\u1ee7 s\u1edf h\u1eefu d\u1eef li\u1ec7u n\u00e0y?<\/p>\n

          Quy\u1ec1n s\u1edf h\u1eefu v\u00e0 qu\u1ea3n l\u00fd<\/h3>\n

          Ph\u00e2n c\u00f4ng quy\u1ec1n s\u1edf h\u1eefu cho c\u00e1c b\u1ea3ng ho\u1eb7c l\u01b0\u1ee3c \u0111\u1ed3 c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y l\u00e0m r\u00f5 ai l\u00e0 ng\u01b0\u1eddi c\u1ea7n li\u00ean h\u1ec7 khi c\u00f3 c\u00e2u h\u1ecfi ho\u1eb7c thay \u0111\u1ed5i.<\/p>\n

            \n
          • Ng\u01b0\u1eddi qu\u1ea3n l\u00fd d\u1eef li\u1ec7u:<\/strong>X\u00e1c \u0111\u1ecbnh c\u00e1 nh\u00e2n ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u trong m\u1ed9t b\u1ea3ng.<\/li>\n
          • Ch\u1ee7 s\u1edf h\u1eefu k\u1ef9 thu\u1eadt:<\/strong>X\u00e1c \u0111\u1ecbnh k\u1ef9 s\u01b0 tr\u01b0\u1edfng ch\u1ecbu tr\u00e1ch nhi\u1ec7m b\u1ea3o tr\u00ec c\u1ea5u tr\u00fac l\u01b0\u1ee3c \u0111\u1ed3.<\/li>\n
          • Ch\u1ee7 s\u1edf h\u1eefu kinh doanh:<\/strong>X\u00e1c \u0111\u1ecbnh b\u00ean li\u00ean quan v\u1ec1 s\u1ea3n ph\u1ea9m ho\u1eb7c kinh doanh ng\u01b0\u1eddi \u0111\u1ecbnh ngh\u0129a c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n

            Ghi ch\u00fa m\u00f4 t\u1ea3<\/h3>\n

            Logic kinh doanh ph\u1ee9c t\u1ea1p th\u01b0\u1eddng kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n ch\u1ec9 b\u1eb1ng c\u00e1c \u0111\u01b0\u1eddng k\u1ebb. H\u00e3y th\u00eam ghi ch\u00fa \u0111\u1ec3 gi\u1ea3i th\u00edch c\u00e1c quy t\u1eafc c\u1ee5 th\u1ec3.<\/p>\n

              \n
            • Logic t\u00ednh to\u00e1n:<\/strong>N\u1ebfu m\u1ed9t c\u1ed9t l\u00e0 gi\u00e1 tr\u1ecb t\u00ednh to\u00e1n, h\u00e3y ghi l\u1ea1i c\u00f4ng th\u1ee9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n
            • Gi\u00e1 tr\u1ecb Enum:<\/strong>\u0110\u1ed1i v\u1edbi c\u00e1c c\u1ed9t c\u00f3 t\u1eadp gi\u00e1 tr\u1ecb h\u1ea1n ch\u1ebf (v\u00ed d\u1ee5: tr\u1ea1ng th\u00e1i<\/code>), li\u1ec7t k\u00ea c\u00e1c gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ph\u00e9p v\u00e0 \u00fd ngh\u0129a c\u1ee7a ch\u00fang.<\/li>\n
            • C\u00e1c tr\u01b0\u1eddng \u0111\u00e3 b\u1ecb lo\u1ea1i b\u1ecf:<\/strong>H\u00e3y \u0111\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng c\u00e1c tr\u01b0\u1eddng kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ch\u1ec9 r\u00f5 th\u1eddi \u0111i\u1ec3m ch\u00fang b\u1ecb lo\u1ea1i b\u1ecf v\u00e0 th\u1eddi \u0111i\u1ec3m d\u1ef1 ki\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c x\u00f3a b\u1ecf.<\/li>\n<\/ul>\n

              B\u1ed1i c\u1ea3nh n\u00e0y bi\u1ebfn m\u1ed9t s\u01a1 \u0111\u1ed3 k\u1ef9 thu\u1eadt th\u00e0nh m\u1ed9t t\u00e0i s\u1ea3n kinh doanh. N\u00f3 gi\u00fap c\u00e1c th\u00e0nh vi\u00ean m\u1edbi trong nh\u00f3m hi\u1ec3u \u0111\u01b0\u1ee3c *l\u00fd do* \u0111\u1eb1ng sau *c\u00e1i g\u00ec*.<\/p>\n

              \ud83d\udd04 Quy tr\u00ecnh xem x\u00e9t v\u00e0 ph\u00ea duy\u1ec7t<\/h2>\n

              C\u00e1c ti\u00eau chu\u1ea9n s\u1ebd v\u00f4 d\u1ee5ng n\u1ebfu kh\u00f4ng c\u00f3 quy tr\u00ecnh \u0111\u1ec3 th\u1ef1c thi ch\u00fang. Vi\u1ec7c thi\u1ebft l\u1eadp quy tr\u00ecnh xem x\u00e9t \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u00e0i li\u1ec7u lu\u00f4n ch\u00ednh x\u00e1c v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ee5c ti\u00eau c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n

                \n
              • Xem x\u00e9t \u0111\u1ed3ng nghi\u1ec7p:<\/strong>Y\u00eau c\u1ea7u \u00edt nh\u1ea5t m\u1ed9t l\u1ea7n xem x\u00e9t \u0111\u1ed3ng nghi\u1ec7p tr\u01b0\u1edbc khi h\u1ee3p nh\u1ea5t c\u00e1c thay \u0111\u1ed5i v\u1ec1 l\u01b0\u1ee3c \u0111\u1ed3. \u0110i\u1ec1u n\u00e0y gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i kh\u00f4ng nh\u1ea5t qu\u00e1n v\u1ec1 t\u00ean v\u00e0 l\u1ed7i logic.<\/li>\n
              • Ch\u1eef k\u00fd ph\u00ea duy\u1ec7t c\u1ee7a c\u00e1c b\u00ean li\u00ean quan:<\/strong>\u0110\u1ed1i v\u1edbi c\u00e1c thay \u0111\u1ed5i c\u1ea5u tr\u00fac l\u1edbn, c\u00e1c b\u00ean li\u00ean quan trong kinh doanh n\u00ean xem x\u00e9t t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn b\u00e1o c\u00e1o d\u1eef li\u1ec7u v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/li>\n
              • Ki\u1ec3m tra t\u1ef1 \u0111\u1ed9ng:<\/strong>Khi c\u00f3 th\u1ec3, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 x\u00e1c minh r\u1eb1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u1ef1c t\u1ebf kh\u1edbp v\u1edbi t\u00e0i li\u1ec7u. \u0110i\u1ec1u n\u00e0y gi\u1ea3m thi\u1ec3u n\u1ed7 l\u1ef1c x\u00e1c minh th\u1ee7 c\u00f4ng.<\/li>\n
              • Ki\u1ec3m to\u00e1n \u0111\u1ecbnh k\u1ef3:<\/strong>L\u00ean l\u1ecbch ki\u1ec3m to\u00e1n \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00e0i li\u1ec7u kh\u00f4ng b\u1ecb l\u1ec7ch kh\u1ecfi m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t.<\/li>\n<\/ul>\n

                S\u1ef1 c\u1ed9ng t\u00e1c l\u00e0 m\u1ed9t v\u00f2ng l\u1eb7p li\u00ean t\u1ee5c. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ho\u1ea1t \u0111\u1ed9ng m\u1ed9t l\u1ea7n v\u00e0o \u0111\u1ea7u d\u1ef1 \u00e1n. Khi c\u00e1c y\u00eau c\u1ea7u thay \u0111\u1ed5i, t\u00e0i li\u1ec7u c\u0169ng ph\u1ea3i thay \u0111\u1ed5i theo.<\/p>\n

                \u26a0\ufe0f Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn trong thi\u1ebft k\u1ebf ERD<\/h2>\n

                Ngay c\u1ea3 khi \u0111\u00e3 c\u00f3 c\u00e1c ti\u00eau chu\u1ea9n, c\u00e1c nh\u00f3m th\u01b0\u1eddng m\u1eafc ph\u1ea3i nh\u1eefng b\u1eaby ph\u1ed5 bi\u1ebfn. Nh\u1eadn ra nh\u1eefng sai l\u1ea7m n\u00e0y s\u1edbm c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/p>\n

                  \n
                • K\u1ef9 thu\u1eadt h\u00f3a qu\u00e1 m\u1ee9c:<\/strong>Thi\u1ebft k\u1ebf cho m\u1ecdi k\u1ecbch b\u1ea3n t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 x\u1ea3y ra d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u1ee9c t\u1ea1p kh\u00f4ng c\u1ea7n thi\u1ebft. H\u00e3y t\u1eadp trung v\u00e0o c\u00e1c y\u00eau c\u1ea7u hi\u1ec7n t\u1ea1i v\u00e0 \u0111\u1ec3 l\u1ea1i kh\u00f4ng gian cho s\u1ef1 ph\u00e1t tri\u1ec3n m\u00e0 kh\u00f4ng l\u00e0m ph\u1ee9c t\u1ea1p h\u00f3a c\u1ea5u tr\u00fac.<\/li>\n
                • B\u1ecf qua hi\u1ec7u su\u1ea5t:<\/strong>M\u1ed9t l\u01b0\u1ee3c \u0111\u1ed3 ho\u00e0n h\u1ea3o tr\u00ean gi\u1ea5y c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng k\u00e9m hi\u1ec7u qu\u1ea3 trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t. H\u00e3y c\u00e2n nh\u1eafc c\u00e1c chi\u1ebfn l\u01b0\u1ee3c l\u1eadp ch\u1ec9 m\u1ee5c v\u00e0 c\u00e1c m\u1eabu truy v\u1ea5n trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf.<\/li>\n
                • C\u00e1c ph\u1ee5 thu\u1ed9c \u1ea9n:<\/strong>\u0110\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c m\u1ed1i quan h\u1ec7 kh\u00f3a ngo\u1ea1i \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n r\u00f5 r\u00e0ng. Logic \u1ea9n t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng mong manh d\u1ec5 b\u1ecb h\u1ecfng.<\/li>\n
                • Thi\u1ebfu t\u00e0i li\u1ec7u:<\/strong>Ch\u1ec9 d\u1ef1a v\u00e0o s\u01a1 \u0111\u1ed3 m\u00e0 kh\u00f4ng c\u00f3 v\u0103n b\u1ea3n h\u1ed7 tr\u1ee3 l\u00e0 r\u1ee7i ro. C\u00e1c ghi ch\u00fa ng\u1eef c\u1ea3nh l\u00e0 c\u1ea7n thi\u1ebft cho logic ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n

                  \ud83d\udccb Danh s\u00e1ch ki\u1ec3m tra ti\u00eau chu\u1ea9n to\u00e0n di\u1ec7n<\/h2>\n

                  S\u1eed d\u1ee5ng b\u1ea3ng n\u00e0y \u0111\u1ec3 ki\u1ec3m tra t\u00e0i li\u1ec7u c\u1ee7a b\u1ea1n so v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp tr\u01b0\u1edbc khi xu\u1ea5t b\u1ea3n.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                  Danh m\u1ee5c<\/th>\nY\u00eau c\u1ea7u<\/th>\nM\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean<\/th>\n<\/tr>\n<\/thead>\n
                  Quy t\u1eafc \u0111\u1eb7t t\u00ean<\/td>\nT\u1ea5t c\u1ea3 t\u00ean b\u1ea3ng \u0111\u1ec1u \u1edf d\u1ea1ng s\u1ed1 nhi\u1ec1u v\u00e0 s\u1eed d\u1ee5ng k\u00fd t\u1ef1 g\u1ea1ch d\u01b0\u1edbi (snake_case)<\/td>\nCao<\/td>\n<\/tr>\n
                  Quy t\u1eafc \u0111\u1eb7t t\u00ean<\/td>\nKh\u00f3a ngo\u1ea1i tu\u00e2n theo m\u1eabu _id<\/code><\/td>\nCao<\/td>\n<\/tr>\n
                  M\u1ed1i quan h\u1ec7<\/td>\nT\u00ednh \u0111a tr\u1ecb \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng<\/td>\nCao<\/td>\n<\/tr>\n
                  M\u1ed1i quan h\u1ec7<\/td>\nM\u1ed1i quan h\u1ec7 nhi\u1ec1u-nhi\u1ec1u s\u1eed d\u1ee5ng b\u1ea3ng trung gian<\/td>\nCao<\/td>\n<\/tr>\n
                  Si\u00eau d\u1eef li\u1ec7u<\/td>\nKi\u1ec3u d\u1eef li\u1ec7u c\u1ee7a c\u1ed9t \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh r\u00f5<\/td>\nTrung b\u00ecnh<\/td>\n<\/tr>\n
                  Si\u00eau d\u1eef li\u1ec7u<\/td>\nGi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh \u0111\u01b0\u1ee3c ghi ch\u00fa r\u00f5 r\u00e0ng<\/td>\nTrung b\u00ecnh<\/td>\n<\/tr>\n
                  Qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n<\/td>\nNh\u1eadt k\u00fd thay \u0111\u1ed5i \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt m\u1edbi nh\u1ea5t<\/td>\nTrung b\u00ecnh<\/td>\n<\/tr>\n
                  Qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n<\/td>\nS\u1ed1 phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb r\u00f5 tr\u00ean s\u01a1 \u0111\u1ed3<\/td>\nCao<\/td>\n<\/tr>\n
                  Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/td>\nS\u01a1 \u0111\u1ed3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy c\u1eadp b\u1edfi t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh vi\u00ean trong nh\u00f3m<\/td>\nCao<\/td>\n<\/tr>\n
                  Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/td>\nB\u1ea3ng ch\u00fa gi\u1ea3i \u0111\u01b0\u1ee3c bao g\u1ed3m cho c\u00e1c k\u00fd hi\u1ec7u<\/td>\nTrung b\u00ecnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  H\u01b0\u1edbng d\u1eabn tri\u1ec3n khai<\/h3>\n

                  Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt. Ch\u1ec9 c\u00f3 quy t\u1eafc l\u00e0 ch\u01b0a \u0111\u1ee7; ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o quy tr\u00ecnh l\u00e0m vi\u1ec7c h\u00e0ng ng\u00e0y.<\/p>\n

                    \n
                  • Ti\u1ebfp nh\u1eadn nh\u00e2n vi\u00ean m\u1edbi:<\/strong>\u0110\u01b0a c\u00e1c ti\u00eau chu\u1ea9n t\u00e0i li\u1ec7u h\u00f3a v\u00e0o bu\u1ed5i \u0111\u1ecbnh h\u01b0\u1edbng cho nh\u00e2n vi\u00ean m\u1edbi. Gi\u1ea3i th\u00edch l\u00fd do \u0111\u1eb1ng sau m\u1ed7i quy t\u1eafc.<\/li>\n
                  • M\u1eabu:<\/strong>T\u1ea1o c\u00e1c m\u1eabu cho s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 (ERD) bao g\u1ed3m c\u00e1c ph\u1ea7n ti\u00eau \u0111\u1ec1, b\u1ea3ng ch\u00fa gi\u1ea3i v\u00e0 si\u00eau d\u1eef li\u1ec7u c\u1ea7n thi\u1ebft.<\/li>\n
                  • R\u00e0 so\u00e1t m\u00e3:<\/strong>Xem t\u00e0i li\u1ec7u h\u00f3a l\u01b0\u1ee3c \u0111\u1ed3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a quy tr\u00ecnh r\u00e0 so\u00e1t m\u00e3. Kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ee3p nh\u1ea5t c\u00e1c thay \u0111\u1ed5i l\u01b0\u1ee3c \u0111\u1ed3 n\u1ebfu kh\u00f4ng c\u00f3 t\u00e0i li\u1ec7u c\u1eadp nh\u1eadt.<\/li>\n
                  • V\u00f2ng ph\u1ea3n h\u1ed3i:<\/strong>Khuy\u1ebfn kh\u00edch c\u00e1c th\u00e0nh vi\u00ean trong nh\u00f3m \u0111\u1ec1 xu\u1ea5t c\u1ea3i ti\u1ebfn cho ch\u00ednh c\u00e1c ti\u00eau chu\u1ea9n. Quy tr\u00ecnh n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c.<\/li>\n<\/ul>\n

                    \ud83d\ude80 Duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng theo th\u1eddi gian<\/h2>\n

                    Vi\u1ec7c duy tr\u00ec t\u00e0i li\u1ec7u h\u00f3a ERD ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c li\u00ean t\u1ee5c. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 cam k\u1ebft v\u1ec1 t\u00ednh r\u00f5 r\u00e0ng v\u00e0 s\u1eb5n s\u00e0ng t\u00e1i c\u1ea5u tr\u00fac c\u1ea3 d\u1eef li\u1ec7u l\u1eabn t\u00e0i li\u1ec7u khi c\u1ea7n thi\u1ebft.<\/p>\n

                    Khi c\u00e1c nh\u00f3m \u0111\u1ea7u t\u01b0 v\u00e0o c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y, k\u1ebft qu\u1ea3 mang l\u1ea1i l\u00e0 r\u00f5 r\u00e0ng. T\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n t\u0103ng l\u00ean do \u00edt th\u1eddi gian h\u01a1n \u0111\u01b0\u1ee3c d\u00e0nh \u0111\u1ec3 l\u00e0m r\u00f5 c\u00e1c y\u00eau c\u1ea7u. L\u1ed7i gi\u1ea3m \u0111i v\u00ec c\u00e1c r\u00e0ng bu\u1ed9c \u0111\u00e3 r\u00f5 r\u00e0ng. Giao ti\u1ebfp \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00ec ng\u00f4n ng\u1eef tr\u1ef1c quan \u0111\u01b0\u1ee3c chia s\u1ebb.<\/p>\n

                    B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ki\u1ec3m tra t\u00e0i li\u1ec7u hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n. X\u00e1c \u0111\u1ecbnh c\u00e1c khu v\u1ef1c th\u01b0\u1eddng xuy\u00ean g\u00e2y nh\u1ea7m l\u1eabn nh\u1ea5t. \u00c1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c n\u00eau trong h\u01b0\u1edbng d\u1eabn n\u00e0y v\u00e0o nh\u1eefng khu v\u1ef1c c\u1ee5 th\u1ec3 \u0111\u00f3 tr\u01b0\u1edbc ti\u00ean. T\u1eeb t\u1eeb m\u1edf r\u1ed9ng ph\u1ea1m vi \u00e1p d\u1ee5ng cho \u0111\u1ebfn khi to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng tu\u00e2n th\u1ee7 c\u00e1c chu\u1ea9n m\u1ef1c m\u1edbi.<\/p>\n

                    D\u1eef li\u1ec7u l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n. B\u1ea3o v\u1ec7 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a n\u00f3 th\u00f4ng qua t\u00e0i li\u1ec7u h\u00f3a r\u00f5 r\u00e0ng l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u00f3ng g\u00f3p gi\u00e1 tr\u1ecb nh\u1ea5t m\u00e0 m\u1ed9t nh\u00f3m k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00f4 h\u00ecnh d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh v\u1eabn l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u00e1ng tin c\u1eady cho to\u00e0n b\u1ed9 h\u1ec7 sinh th\u00e1i \u1ee9ng d\u1ee5ng.<\/p>\n

                    T\u1eadp trung v\u00e0o t\u00ednh r\u00f5 r\u00e0ng, s\u1ef1 nh\u1ea5t qu\u00e1n v\u00e0 giao ti\u1ebfp. Ba tr\u1ee5 c\u1ed9t n\u00e0y h\u1ed7 tr\u1ee3 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a ph\u1ee5c v\u1ee5 t\u1ed1t cho nh\u00f3m trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a ph\u1ea7n m\u1ec1m.<\/p>\n","protected":false},"excerpt":{"rendered":"

                    M\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a b\u1ea5t k\u1ef3 ki\u1ebfn tr\u00fac \u1ee9ng d\u1ee5ng v\u1eefng ch\u1eafc n\u00e0o. Khi c\u00e1c nh\u00f3m h\u1ee3p t\u00e1c x\u00e2y d\u1ef1ng l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1…<\/p>\n","protected":false},"author":1,"featured_media":2083,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"T\u00e0i li\u1ec7u h\u00f3a ERD th\u00e2n thi\u1ec7n v\u1edbi nh\u00f3m: C\u00e1c ti\u00eau chu\u1ea9n gi\u00fap c\u1ea3i thi\u1ec7n s\u1ef1 c\u1ed9ng t\u00e1c","_yoast_wpseo_metadesc":"T\u00ecm hi\u1ec3u c\u00e1c ti\u00eau chu\u1ea9n t\u00e0i li\u1ec7u h\u00f3a ERD gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ef1 c\u1ed9ng t\u00e1c trong nh\u00f3m. N\u00e2ng cao t\u00ednh r\u00f5 r\u00e0ng c\u1ee7a l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4ng qua quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean, qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n v\u00e0 quy tr\u00ecnh r\u00e0 so\u00e1t.","source_url":"","source_h1_title":"","fifu_image_url":"","fifu_image_alt":"","_fifu_image_alt":"","fifu_alt":"","_fifu_alt":"","fifu_image_title":"","_fifu_image_title":"","fifu_input_alt":"","vp_image_hash":"","footnotes":""},"categories":[86],"tags":[82,85],"asset-category":[],"class_list":["post-2082","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-erd","tag-academic","tag-erd"],"source_url":"","source_h1_title":"","fifu_image_url":"","fifu_image_alt":"","vp_image_hash":"","yoast_head":"\nT\u00e0i li\u1ec7u h\u00f3a ERD th\u00e2n thi\u1ec7n v\u1edbi nh\u00f3m: C\u00e1c ti\u00eau chu\u1ea9n gi\u00fap c\u1ea3i thi\u1ec7n s\u1ef1 c\u1ed9ng t\u00e1c<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u c\u00e1c ti\u00eau chu\u1ea9n t\u00e0i li\u1ec7u h\u00f3a ERD gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ef1 c\u1ed9ng t\u00e1c trong nh\u00f3m. N\u00e2ng cao t\u00ednh r\u00f5 r\u00e0ng c\u1ee7a l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4ng qua quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean, qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n v\u00e0 quy tr\u00ecnh r\u00e0 so\u00e1t.\" \/>\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\/vn\/team-friendly-erd-documentation-standards\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u00e0i li\u1ec7u h\u00f3a ERD th\u00e2n thi\u1ec7n v\u1edbi nh\u00f3m: C\u00e1c ti\u00eau chu\u1ea9n gi\u00fap c\u1ea3i thi\u1ec7n s\u1ef1 c\u1ed9ng t\u00e1c\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u c\u00e1c ti\u00eau chu\u1ea9n t\u00e0i li\u1ec7u h\u00f3a ERD gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ef1 c\u1ed9ng t\u00e1c trong nh\u00f3m. 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