{"id":1601,"date":"2026-03-25T08:47:59","date_gmt":"2026-03-25T08:47:59","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/vi\/incorporating-audit-trails-entity-relationship-diagram\/"},"modified":"2026-03-25T08:47:59","modified_gmt":"2026-03-25T08:47:59","slug":"incorporating-audit-trails-entity-relationship-diagram","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/vi\/incorporating-audit-trails-entity-relationship-diagram\/","title":{"rendered":"T\u00edch h\u1ee3p c\u00e1c b\u1ea3n ghi ki\u1ec3m to\u00e1n v\u00e0o s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 c\u1ee7a b\u1ea1n"},"content":{"rendered":"
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\"Comic<\/figure>\n<\/div>\n

Thi\u1ebft k\u1ebf m\u1ed9t m\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c b\u1ea3ng. N\u00f3 bao g\u1ed3m vi\u1ec7c d\u1ef1 \u0111o\u00e1n c\u00e1ch d\u1eef li\u1ec7u thay \u0111\u1ed5i theo th\u1eddi gian v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ecdi thay \u0111\u1ed5i \u0111\u1ec1u c\u00f3 th\u1ec3 truy v\u1ebft \u0111\u01b0\u1ee3c. M\u1ed9t b\u1ea3n ghi ki\u1ec3m to\u00e1n trong s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 (ERD) \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng cho tr\u00e1ch nhi\u1ec7m gi\u1ea3i tr\u00ecnh v\u00e0 ngu\u1ed3n g\u1ed1c d\u1eef li\u1ec7u. B\u1eb1ng c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a r\u00f5 r\u00e0ng c\u00e1c c\u01a1 ch\u1ebf theo d\u00f5i tr\u1ef1c ti\u1ebfp v\u00e0o c\u1ea5u tr\u00fac d\u1eef li\u1ec7u, c\u00e1c t\u1ed5 ch\u1ee9c c\u00f3 th\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng ghi nh\u1eadt k\u00fd b\u00ean ngo\u00e0i.<\/p>\n

T\u1ea1i sao ph\u1ea3i theo d\u00f5i c\u00e1c thay \u0111\u1ed5i d\u1eef li\u1ec7u? \ud83d\udcca<\/h2>\n

Vi\u1ec7c tri\u1ec3n khai kh\u1ea3 n\u0103ng ki\u1ec3m to\u00e1n kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn k\u1ef9 thu\u1eadt; th\u01b0\u1eddng l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c v\u1ec1 quy \u0111\u1ecbnh. C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p x\u1eed l\u00fd th\u00f4ng tin nh\u1ea1y c\u1ea3m ph\u1ea3i ch\u1ee9ng minh ai \u0111\u00e3 truy c\u1eadp d\u1eef li\u1ec7u n\u00e0o v\u00e0 v\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0o. Ngo\u00e0i tu\u00e2n th\u1ee7, c\u00e1c b\u1ea3n ghi ki\u1ec3m to\u00e1n cung c\u1ea5p th\u00f4ng tin g\u1ee1 l\u1ed7i quan tr\u1ecdng trong c\u00e1c s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng. Khi xu\u1ea5t hi\u1ec7n s\u1ef1 sai l\u1ec7ch trong d\u1eef li\u1ec7u, c\u00e1c b\u1ea3n ghi l\u1ecbch s\u1eed cho ph\u00e9p c\u00e1c k\u1ef9 s\u01b0 kh\u00f4i ph\u1ee5c tr\u1ea1ng th\u00e1i c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1ea1i b\u1ea5t k\u1ef3 th\u1eddi \u0111i\u1ec3m n\u00e0o.<\/p>\n

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  • Tu\u00e2n th\u1ee7:<\/strong>C\u00e1c quy \u0111\u1ecbnh th\u01b0\u1eddng y\u00eau c\u1ea7u l\u01b0u gi\u1eef nh\u1eadt k\u00fd thay \u0111\u1ed5i trong c\u00e1c kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3.<\/li>\n
  • B\u1ea3o m\u1eadt:<\/strong>Ph\u00e1t hi\u1ec7n c\u00e1c thay \u0111\u1ed5i kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p ho\u1eb7c c\u00e1c v\u1ee5 r\u00f2 r\u1ec9 d\u1eef li\u1ec7u.<\/li>\n
  • G\u1ee1 l\u1ed7i:<\/strong>T\u00ecm ngu\u1ed3n g\u1ed1c c\u1ee7a s\u1ef1 h\u1ecfng d\u1eef li\u1ec7u ho\u1eb7c l\u1ed7i logic.<\/li>\n
  • Tr\u00e1ch nhi\u1ec7m gi\u1ea3i tr\u00ecnh:<\/strong>Bi\u1ebft ch\u00ednh x\u00e1c ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c quy tr\u00ecnh n\u00e0o \u0111\u00e3 kh\u1edfi t\u1ea1o vi\u1ec7c c\u1eadp nh\u1eadt b\u1ea3n ghi.<\/li>\n<\/ul>\n

    C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a l\u01b0\u1ee3c \u0111\u1ed3 ki\u1ec3m to\u00e1n \ud83c\udfd7\ufe0f<\/h2>\n

    Khi t\u00edch h\u1ee3p c\u00e1c b\u1ea3n ghi ki\u1ec3m to\u00e1n v\u00e0o s\u01a1 \u0111\u1ed3 ERD c\u1ee7a b\u1ea1n, c\u00e1c c\u1ed9t c\u1ee5 th\u1ec3 ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7n di\u1ec7n \u0111\u1ec3 thu th\u1eadp c\u00e1c th\u00f4ng tin m\u00f4 t\u1ea3 c\u1ea7n thi\u1ebft. C\u00e1c tr\u01b0\u1eddng n\u00e0y n\u00ean \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a tr\u00ean to\u00e0n b\u1ed9 c\u00e1c th\u1ef1c th\u1ec3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n trong b\u00e1o c\u00e1o v\u00e0 truy v\u1ea5n.<\/p>\n

    C\u00e1c tr\u01b0\u1eddng th\u00f4ng tin m\u00f4 t\u1ea3 thi\u1ebft y\u1ebfu<\/h3>\n

    M\u1ed7i th\u1ef1c th\u1ec3 c\u00f3 th\u1ec3 ki\u1ec3m to\u00e1n \u0111\u1ec1u n\u00ean bao g\u1ed3m m\u1ed9t b\u1ed9 thu\u1ed9c t\u00ednh n\u1ec1n t\u1ea3ng. C\u00e1c tr\u01b0\u1eddng n\u00e0y ghi l\u1ea1i v\u00f2ng \u0111\u1eddi c\u1ee7a b\u1ea3n ghi.<\/p>\n

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    • M\u00e3 \u0111\u1ecbnh danh b\u1ea3n ghi:<\/strong>Kh\u00f3a duy nh\u1ea5t \u0111\u1ec3 ph\u00e2n bi\u1ec7t phi\u00ean b\u1ea3n b\u1ea3n ghi c\u1ee5 th\u1ec3.<\/li>\n
    • Th\u1eddi \u0111i\u1ec3m t\u1ea1o:<\/strong>Ng\u00e0y v\u00e0 gi\u1edd ch\u00ednh x\u00e1c khi b\u1ea3n ghi \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o.<\/li>\n
    • Th\u1eddi \u0111i\u1ec3m c\u1eadp nh\u1eadt cu\u1ed1i c\u00f9ng:<\/strong>L\u1ea7n cu\u1ed1i b\u1ea3n ghi \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i.<\/li>\n
    • T\u1ea1o b\u1edfi:<\/strong>ID ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c quy tr\u00ecnh h\u1ec7 th\u1ed1ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m ch\u00e8n d\u1eef li\u1ec7u.<\/li>\n
    • C\u1eadp nh\u1eadt b\u1edfi:<\/strong>ID ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c quy tr\u00ecnh h\u1ec7 th\u1ed1ng ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho thay \u0111\u1ed5i cu\u1ed1i c\u00f9ng.<\/li>\n
    • Lo\u1ea1i thao t\u00e1c:<\/strong>Ch\u1ec9 ra h\u00e0nh \u0111\u1ed9ng l\u00e0 ch\u00e8n, c\u1eadp nh\u1eadt hay x\u00f3a.<\/li>\n<\/ul>\n

      Chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai \ud83d\udee0\ufe0f<\/h2>\n

      C\u00f3 m\u1ed9t s\u1ed1 c\u00e1ch ti\u1ebfp c\u1eadn ki\u1ebfn tr\u00fac \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a nh\u1eefng thay \u0111\u1ed5i n\u00e0y. M\u1ed7i chi\u1ebfn l\u01b0\u1ee3c mang l\u1ea1i nh\u1eefng \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m kh\u00e1c nhau v\u1ec1 l\u01b0u tr\u1eef, hi\u1ec7u su\u1ea5t truy v\u1ea5n v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p. S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u.<\/p>\n

      1. C\u1ed9t phi\u00ean b\u1ea3n (C\u1eadp nh\u1eadt m\u1ec1m)<\/h3>\n

      Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m vi\u1ec7c th\u00eam c\u00e1c c\u1ed9t ki\u1ec3m to\u00e1n tr\u1ef1c ti\u1ebfp v\u00e0o b\u1ea3ng ch\u00ednh c\u1ee7a th\u1ef1c th\u1ec3. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u1ea5t \u0111\u1ec3 tri\u1ec3n khai.<\/p>\n

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      • \u01afu \u0111i\u1ec3m:<\/strong>Thay \u0111\u1ed5i l\u01b0\u1ee3c \u0111\u1ed3 t\u1ed1i thi\u1ec3u; d\u1ec5 truy v\u1ea5n tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i k\u00e8m theo l\u1ecbch s\u1eed.<\/li>\n
      • Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>Kh\u00f4ng l\u01b0u gi\u1eef c\u00e1c b\u1ea3n ch\u1ee5p l\u1ecbch s\u1eed; ch\u1ec9 hi\u1ec3n th\u1ecb th\u00f4ng tin meta d\u1eef li\u1ec7u thay \u0111\u1ed5i g\u1ea7n nh\u1ea5t.<\/li>\n<\/ul>\n

        2. B\u1ea3ng l\u1ecbch s\u1eed song song<\/h3>\n

        Thay v\u00ec s\u1eeda \u0111\u1ed5i b\u1ea3ng ch\u00ednh, c\u00e1c thay \u0111\u1ed5i \u0111\u01b0\u1ee3c ghi v\u00e0o m\u1ed9t b\u1ea3ng ri\u00eang bi\u1ec7t \u0111\u01b0\u1ee3c li\u00ean k\u1ebft b\u1eb1ng kh\u00f3a ngo\u1ea1i. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p l\u01b0u l\u1ea1i l\u1ecbch s\u1eed \u0111\u1ea7y \u0111\u1ee7 cho m\u1ecdi thay \u0111\u1ed5i.<\/p>\n

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        • \u01afu \u0111i\u1ec3m:<\/strong>T\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa d\u1eef li\u1ec7u hi\u1ec7n t\u1ea1i v\u00e0 l\u1ecbch s\u1eed; kh\u1ea3 n\u0103ng ch\u1ee5p to\u00e0n b\u1ed9 tr\u1ea1ng th\u00e1i.<\/li>\n
        • Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>Y\u00eau c\u1ea7u l\u01b0u tr\u1eef t\u0103ng cao; truy v\u1ea5n ph\u1ee9c t\u1ea1p h\u01a1n \u0111\u00f2i h\u1ecfi ph\u1ea3i th\u1ef1c hi\u1ec7n n\u1ed1i b\u1ea3ng.<\/li>\n<\/ul>\n

          3. Ngu\u1ed3n s\u1ef1 ki\u1ec7n<\/h3>\n

          To\u00e0n b\u1ed9 tr\u1ea1ng th\u00e1i c\u1ee7a th\u1ef1c th\u1ec3 \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c t\u1eeb nh\u1eadt k\u00fd c\u00e1c s\u1ef1 ki\u1ec7n. C\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u1ec9 l\u01b0u c\u00e1c thay \u0111\u1ed5i, ch\u1ee9 kh\u00f4ng l\u01b0u tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/p>\n

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          • \u01afu \u0111i\u1ec3m:<\/strong>Kh\u1ea3 n\u0103ng ki\u1ec3m to\u00e1n ho\u00e0n to\u00e0n; ngu\u1ed3n d\u1eef li\u1ec7u b\u1ea5t bi\u1ebfn.<\/li>\n
          • Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p cao trong logic kh\u00f4i ph\u1ee5c; chi ph\u00ed hi\u1ec7u su\u1ea5t khi t\u00ednh to\u00e1n tr\u1ea1ng th\u00e1i.<\/li>\n<\/ul>\n

            Thi\u1ebft k\u1ebf c\u00e1c m\u1ed1i quan h\u1ec7 \ud83d\udd17<\/h2>\n

            ERD ph\u1ea3i tr\u1ef1c quan h\u00f3a c\u00e1ch d\u1eef li\u1ec7u ki\u1ec3m to\u00e1n li\u00ean quan \u0111\u1ebfn c\u00e1c th\u1ef1c th\u1ec3 kinh doanh. S\u1ef1 ph\u00e2n bi\u1ec7t tr\u1ef1c quan r\u00f5 r\u00e0ng gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n hi\u1ec3u l\u01b0\u1ee3c \u0111\u1ed3 m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ecdc t\u00e0i li\u1ec7u.<\/p>\n

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            • M\u1ed9t-\u0111a:<\/strong>M\u1ed9t b\u1ea3n ghi th\u1ef1c th\u1ec3 duy nh\u1ea5t c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u b\u1ea3n ghi nh\u1eadt k\u00fd ki\u1ec3m to\u00e1n.<\/li>\n
            • Kh\u00f3a ngo\u1ea1i:<\/strong>B\u1ea3ng ki\u1ec3m to\u00e1n n\u00ean tham chi\u1ebfu \u0111\u1ebfn kh\u00f3a ch\u00ednh c\u1ee7a th\u1ef1c th\u1ec3 ngu\u1ed3n.<\/li>\n
            • Ch\u1ec9 m\u1ee5c:<\/strong>Kh\u00f3a ngo\u1ea1i trong b\u1ea3ng ki\u1ec3m to\u00e1n ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ec9 m\u1ee5c \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 tra c\u1ee9u.<\/li>\n<\/ul>\n

              Khi v\u1ebd s\u01a1 \u0111\u1ed3, h\u00e3y s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t \u0111\u1ec3 ch\u1ec9 m\u1ed1i quan h\u1ec7 ki\u1ec3m to\u00e1n. \u0110i\u1ec1u n\u00e0y ph\u00e2n bi\u1ec7t ch\u00fang v\u1edbi c\u00e1c m\u1ed1i quan h\u1ec7 logic kinh doanh th\u00f4ng th\u01b0\u1eddng, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01a1n h\u00e0ng kh\u00e1ch h\u00e0ng ho\u1eb7c t\u1ed3n kho s\u1ea3n ph\u1ea9m.<\/p>\n

              Ph\u00e2n t\u00edch so s\u00e1nh c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \ud83d\udccb<\/h2>\n

              Vi\u1ec7c ch\u1ecdn m\u1eabu ph\u00f9 h\u1ee3p \u0111\u00f2i h\u1ecfi hi\u1ec3u r\u00f5 b\u1ed1i c\u1ea3nh v\u1eadn h\u00e0nh. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau r\u00f5 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n\n\n\n\n\n
              T\u00ednh n\u0103ng<\/th>\nC\u00e1c c\u1ed9t phi\u00ean b\u1ea3n<\/th>\nB\u1ea3ng l\u1ecbch s\u1eed<\/th>\nNgu\u1ed3n s\u1ef1 ki\u1ec7n<\/th>\n<\/tr>\n<\/thead>\n
              Chi ph\u00ed l\u01b0u tr\u1eef<\/td>\nTh\u1ea5p<\/td>\nTrung b\u00ecnh<\/td>\nCao<\/td>\n<\/tr>\n
              \u0110\u1ed9 ph\u1ee9c t\u1ea1p truy v\u1ea5n<\/td>\n\u0110\u01a1n gi\u1ea3n<\/td>\nTrung b\u00ecnh<\/td>\nPh\u1ee9c t\u1ea1p<\/td>\n<\/tr>\n
              D\u1eef li\u1ec7u l\u1ecbch s\u1eed<\/td>\nCh\u1ec9 d\u1eef li\u1ec7u m\u00f4 t\u1ea3<\/td>\nB\u1ea3n ch\u1ee5p to\u00e0n b\u1ed9<\/td>\nD\u00f2ng s\u1ef1 ki\u1ec7n to\u00e0n b\u1ed9<\/td>\n<\/tr>\n
              N\u1ed7 l\u1ef1c tri\u1ec3n khai<\/td>\nTh\u1ea5p<\/td>\nTrung b\u00ecnh<\/td>\nCao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              Xem x\u00e9t hi\u1ec7u su\u1ea5t \u26a1<\/h2>\n

              D\u00f2ng nh\u1eadt k\u00fd ki\u1ec3m to\u00e1n th\u00eam chi ph\u00ed ghi cho m\u1ed7i giao d\u1ecbch. Khi kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u t\u0103ng l\u00ean, t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean \u0111\u00e1ng k\u1ec3. C\u1ea7n c\u00f3 ch\u1ec9 m\u1ee5c v\u00e0 chia t\u00e1ch h\u1ee3p l\u00fd \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5.<\/p>\n

                \n
              • Chi\u1ebfn l\u01b0\u1ee3c ch\u1ec9 m\u1ee5c:<\/strong> T\u1ea1o ch\u1ec9 m\u1ee5c tr\u00ean c\u00e1c c\u1ed9t updated_by<\/em> v\u00e0 updated_at<\/em> c\u00e1c c\u1ed9t. \u0110i\u1ec1u n\u00e0y h\u1ed7 tr\u1ee3 b\u00e1o c\u00e1o nhanh ch\u00f3ng v\u1ec1 ho\u1ea1t \u0111\u1ed9ng ng\u01b0\u1eddi d\u00f9ng.<\/li>\n
              • Chia t\u00e1ch:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, chia t\u00e1ch b\u1ea3ng ki\u1ec3m to\u00e1n theo ng\u00e0y. \u0110i\u1ec1u n\u00e0y gi\u1eef d\u1eef li\u1ec7u ho\u1ea1t \u0111\u1ed9ng trong b\u1ed9 nh\u1edb n\u00f3ng trong khi di chuy\u1ec3n c\u00e1c b\u1ea3n ghi c\u0169 v\u00e0o b\u1ed9 nh\u1edb l\u1ea1nh.<\/li>\n
              • X\u1eed l\u00fd theo l\u00f4:<\/strong> Thay v\u00ec ghi l\u1ea1i m\u1ecdi thay \u0111\u1ed5i nh\u1ecf, h\u00e3y c\u00e2n nh\u1eafc nh\u00f3m c\u00e1c c\u1eadp nh\u1eadt n\u1ebfu theo d\u00f5i th\u1eddi gian th\u1ef1c kh\u00f4ng ph\u1ea3i l\u00e0 b\u1eaft bu\u1ed9c.<\/li>\n<\/ul>\n

                To\u00e0n v\u1eb9n d\u1eef li\u1ec7u v\u00e0 B\u1ea3o m\u1eadt \ud83d\udd12<\/h2>\n

                B\u1ea3o m\u1eadt l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u khi thi\u1ebft k\u1ebf c\u01a1 ch\u1ebf ki\u1ec3m to\u00e1n. D\u00f2ng nh\u1eadt k\u00fd ki\u1ec3m to\u00e1n b\u1ea3n th\u00e2n ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi b\u1ecb thay \u0111\u1ed5i. N\u1ebfu m\u1ed9t k\u1ebb t\u1ea5n c\u00f4ng c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda nh\u1eadt k\u00fd, h\u1ec7 th\u1ed1ng s\u1ebd m\u1ea5t \u0111i t\u00ednh tin c\u1eady.<\/p>\n

                  \n
                • Nh\u1eadt k\u00fd Kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i:<\/strong> \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u1ea3n ghi ki\u1ec3m to\u00e1n kh\u00f4ng th\u1ec3 b\u1ecb x\u00f3a ho\u1eb7c thay \u0111\u1ed5i b\u1edfi ng\u01b0\u1eddi d\u00f9ng th\u00f4ng th\u01b0\u1eddng.<\/li>\n
                • Ki\u1ec3m so\u00e1t truy c\u1eadp:<\/strong> H\u1ea1n ch\u1ebf quy\u1ec1n ghi v\u00e0o c\u00e1c b\u1ea3ng ki\u1ec3m to\u00e1n ch\u1ec9 cho c\u00e1c ti\u1ebfn tr\u00ecnh h\u1ec7 th\u1ed1ng ho\u1eb7c t\u00e0i kho\u1ea3n c\u00f3 \u0111\u1eb7c quy\u1ec1n.<\/li>\n
                • X\u00e1c th\u1ef1c:<\/strong> \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ID ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c tham chi\u1ebfu trong nh\u1eadt k\u00fd ki\u1ec3m to\u00e1n th\u1ef1c s\u1ef1 t\u1ed3n t\u1ea1i trong th\u01b0 m\u1ee5c ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n

                  B\u1ea3o tr\u00ec v\u00e0 Chu k\u1ef3 s\u1ed1ng \ud83d\udd04<\/h2>\n

                  C\u00e1c ch\u00ednh s\u00e1ch l\u01b0u tr\u1eef d\u1eef li\u1ec7u quy \u0111\u1ecbnh th\u1eddi gian d\u1eef li\u1ec7u ki\u1ec3m to\u00e1n ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i. Vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u n\u00e0y m\u00e3i m\u00e3i l\u00e0 kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ed1n k\u00e9m. M\u1ed9t k\u1ebf ho\u1ea1ch qu\u1ea3n l\u00fd chu k\u1ef3 s\u1ed1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng l\u00e0 c\u1ea7n thi\u1ebft.<\/p>\n

                    \n
                  • L\u01b0u tr\u1eef:<\/strong> Chuy\u1ec3n c\u00e1c b\u1ea3n ghi c\u0169 h\u01a1n m\u1ed9t ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh sang c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u01b0u tr\u1eef ri\u00eang bi\u1ec7t.<\/li>\n
                  • X\u00f3a b\u1ecf:<\/strong> T\u1ef1 \u0111\u1ed9ng x\u00f3a c\u00e1c b\u1ea3n ghi \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 y\u00eau c\u1ea7u l\u01b0u tr\u1eef theo ph\u00e1p lu\u1eadt.<\/li>\n
                  • Gi\u00e1m s\u00e1t:<\/strong> Thi\u1ebft l\u1eadp c\u1ea3nh b\u00e1o v\u1ec1 t\u1ed1c \u0111\u1ed9 t\u0103ng tr\u01b0\u1edfng c\u1ee7a b\u1ea3ng ki\u1ec3m to\u00e1n \u0111\u1ec3 ng\u0103n ng\u1eeba c\u1ea1n ki\u1ec7t dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef.<\/li>\n<\/ul>\n

                    C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho \u0111\u1eb7t t\u00ean l\u01b0\u1ee3c \u0111\u1ed3 \ud83d\udcdd<\/h2>\n

                    C\u00e1c quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean nh\u1ea5t qu\u00e1n gi\u00fap gi\u1ea3m s\u1ef1 nh\u1ea7m l\u1eabn trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 b\u1ea3o tr\u00ec. Tu\u00e2n th\u1ee7 m\u1eabu \u0111\u1eb7t t\u00ean chu\u1ea9n \u0111\u1ea3m b\u1ea3o c\u00e1c c\u1ed9t ki\u1ec3m to\u00e1n d\u1ec5 nh\u1eadn bi\u1ebft tr\u00ean to\u00e0n h\u1ec7 th\u1ed1ng.<\/p>\n

                      \n
                    • Ti\u1ec1n t\u1ed1:<\/strong> S\u1eed d\u1ee5ng ti\u1ec1n t\u1ed1 nh\u01b0 audit_<\/code> ho\u1eb7c _log<\/code> cho t\u00ean b\u1ea3ng.<\/li>\n
                    • Th\u1eddi \u0111i\u1ec3m:<\/strong> S\u1eed d\u1ee5ng _at<\/code> h\u1eadu t\u1ed1 cho c\u00e1c c\u1ed9t th\u1eddi gian (v\u00ed d\u1ee5 nh\u01b0 created_at<\/code>).<\/li>\n
                    • Nh\u00e3n hi\u1ec7u:<\/strong> S\u1eed d\u1ee5ng _b\u1edfi<\/code> h\u1eadu t\u1ed1 cho tham chi\u1ebfu ng\u01b0\u1eddi d\u00f9ng (v\u00ed d\u1ee5: \u0111\u00e3_c\u1eadp_nh\u1eadt_b\u1edfi<\/code>).<\/li>\n
                    • Kh\u00f3a ngo\u1ea1i:<\/strong> \u0110\u1eb7t t\u00ean kh\u00f3a r\u00f5 r\u00e0ng (v\u00ed d\u1ee5: source_entity_id<\/code>) \u0111\u1ec3 l\u00e0m r\u00f5 m\u1ed1i quan h\u1ec7.<\/li>\n<\/ul>\n

                      B\u1eb1ng c\u00e1ch t\u00edch h\u1ee3p c\u00e1c th\u1ef1c h\u00e0nh n\u00e0y v\u00e0o s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng minh b\u1ea1ch v\u00e0 b\u1ec1n v\u1eefng. S\u01a1 \u0111\u1ed3 tr\u1edf th\u00e0nh m\u1ed9t t\u00e0i li\u1ec7u s\u1ed1ng \u0111\u1ed9ng, \u0111\u1ecbnh h\u01b0\u1edbng kh\u00f4ng ch\u1ec9 vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u m\u00e0 c\u00f2n qu\u1ea3n l\u00fd d\u1eef li\u1ec7u \u0111\u00f3 trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3.<\/p>\n

                      K\u1ebft lu\u1eadn \ud83d\udccc<\/h2>\n

                      X\u00e2y d\u1ef1ng m\u1ed9t d\u1ea5u v\u1ebft ki\u1ec3m to\u00e1n v\u00e0o m\u00f4 h\u00ecnh d\u1eef li\u1ec7u l\u00e0 b\u01b0\u1edbc n\u1ec1n t\u1ea3ng cho ki\u1ebfn tr\u00fac d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i. N\u00f3 bi\u1ebfn m\u1ed9t s\u01a1 \u0111\u1ed3 t\u0129nh th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ed9ng cho qu\u1ea3n tr\u1ecb. D\u00f9 s\u1eed d\u1ee5ng c\u00e1c c\u1ed9t phi\u00ean b\u1ea3n hay c\u00e1c b\u1ea3ng l\u1ecbch s\u1eed chuy\u00ean d\u1ee5ng, m\u1ee5c ti\u00eau v\u1eabn nh\u01b0 nhau: \u0111\u1ea3m b\u1ea3o m\u1ecdi h\u00e0nh \u0111\u1ed9ng trong h\u1ec7 th\u1ed1ng \u0111\u1ec1u \u0111\u01b0\u1ee3c ghi l\u1ea1i v\u00e0 c\u00f3 th\u1ec3 truy xu\u1ea5t. Vi\u1ec7c l\u00ean k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn v\u1ec1 m\u1ed1i quan h\u1ec7, ch\u1ec9 m\u1ee5c v\u00e0 ch\u00ednh s\u00e1ch l\u01b0u tr\u1eef \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ki\u1ec3m to\u00e1n h\u1ed7 tr\u1ee3 doanh nghi\u1ec7p m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"

                      Thi\u1ebft k\u1ebf m\u1ed9t m\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c b\u1ea3ng. N\u00f3 bao g\u1ed3m vi\u1ec7c d\u1ef1 \u0111o\u00e1n c\u00e1ch…<\/p>\n","protected":false},"author":1,"featured_media":1602,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"D\u1ea5u v\u1ebft ki\u1ec3m to\u00e1n trong ERD: H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch t\u00edch h\u1ee3p d\u1ea5u v\u1ebft ki\u1ec3m to\u00e1n v\u00e0o s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 c\u1ee7a b\u1ea1n. Bao g\u1ed3m thi\u1ebft k\u1ebf l\u01b0\u1ee3c \u0111\u1ed3, b\u1ea3ng l\u1ecbch s\u1eed v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[65],"tags":[80,84],"class_list":["post-1601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database-design","tag-academic","tag-erd"],"yoast_head":"\nD\u1ea5u v\u1ebft ki\u1ec3m to\u00e1n trong ERD: H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1ch t\u00edch h\u1ee3p d\u1ea5u v\u1ebft ki\u1ec3m to\u00e1n v\u00e0o s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 c\u1ee7a b\u1ea1n. 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