{"id":560,"date":"2025-07-25T04:07:14","date_gmt":"2025-07-25T04:07:14","guid":{"rendered":"http:\/\/testing.orasas.com\/?page_id=560"},"modified":"2025-08-17T04:21:48","modified_gmt":"2025-08-17T04:21:48","slug":"nang-cap-csdl","status":"publish","type":"page","link":"https:\/\/orasas.com\/en\/dich-vu\/cai-dat-va-trien-khai-he-thong\/nang-cap-csdl\/","title":{"rendered":"Database Upgrade"},"content":{"rendered":"
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Service<\/h5>\n\n\n\n

N\u00e2ng c\u1ea5p C\u01a1 S\u1edf D\u1eef Li\u1ec7u<\/h4>\n\n\n\n
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Gi\u1edbi thi\u1ec7u<\/p>\n\n\n\n

Th\u00f4ng tin k\u1ef9 thu\u1eadt<\/p>\n<\/div>\n\n\n\n

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Trong b\u1ed1i c\u1ea3nh c\u00f4ng ngh\u1ec7 ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n, c\u00e1c phi\u00ean b\u1ea3n c\u01a1 s\u1edf d\u1eef li\u1ec7u Oracle li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn nh\u1eb1m n\u00e2ng cao hi\u1ec7u su\u1ea5t, t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 h\u1ed7 tr\u1ee3 t\u1ed1t h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i. Tuy nhi\u00ean, nhi\u1ec1u doanh nghi\u1ec7p v\u1eabn \u0111ang v\u1eadn h\u00e0nh tr\u00ean c\u00e1c phi\u00ean b\u1ea3n Oracle \u0111\u00e3 l\u1ed7i th\u1eddi, ti\u1ec1m \u1ea9n r\u1ee7i ro v\u1ec1 hi\u1ec7u n\u0103ng, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

D\u1ecbch v\u1ee5 n\u00e2ng c\u1ea5p c\u01a1 s\u1edf d\u1eef li\u1ec7u Oracle c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m h\u1ed7 tr\u1ee3 doanh nghi\u1ec7p chuy\u1ec3n \u0111\u1ed5i h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u hi\u1ec7n t\u1ea1i l\u00ean phi\u00ean b\u1ea3n Oracle m\u1edbi m\u1ed9t c\u00e1ch an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed. V\u1edbi \u0111\u1ed9i ng\u0169 chuy\u00ean gia gi\u00e0u kinh nghi\u1ec7m v\u00e0 quy tr\u00ecnh tri\u1ec3n khai chu\u1ea9n h\u00f3a, ch\u00fang t\u00f4i cam k\u1ebft mang l\u1ea1i m\u1ed9t gi\u1ea3i ph\u00e1p n\u00e2ng c\u1ea5p to\u00e0n di\u1ec7n, gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a th\u1eddi gian gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5 v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n d\u1eef li\u1ec7u tuy\u1ec7t \u0111\u1ed1i.<\/p>\n\n\n\n

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M\u1ee5c ti\u00eau<\/strong><\/h5>\n\n\n\n
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\u0110\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng CSDL v\u1eadn h\u00e0nh tr\u00ean phi\u00ean b\u1ea3n Oracle m\u1edbi \u1ed5n \u0111\u1ecbnh, hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ch\u00ednh th\u1ee9c t\u1eeb Oracle.<\/p>\n<\/div>\n\n\n\n

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T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt v\u00e0 n\u0103ng l\u1ef1c x\u1eed l\u00fd c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<\/div>\n\n\n\n

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Gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u1ec1 m\u1eb7t v\u1eadn h\u00e0nh, gi\u00fap doanh nghi\u1ec7p th\u00edch nghi v\u1edbi c\u00e1c y\u00eau c\u1ea7u c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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L\u1ee3i \u00edch ch\u00ednh<\/strong><\/h5>\n\n\n\n
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\u0110\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u lu\u00f4n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<\/div>\n\n\n\n

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\u0110\u1ea3m b\u1ea3o C\u01a1 s\u1edf d\u1eef li\u1ec7u lu\u00f4n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt c\u00e1c t\u00ednh n\u0103ng m\u1edbi, \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u n\u0103ng<\/p>\n<\/div>\n\n\n\n

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Ch\u1ee7 \u0111\u1ed9ng t\u1ed1i \u01b0u h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u00e1nh \u0111\u1ec3 x\u1ea3y ra c\u00e1c s\u1ef1 c\u1ed1 ngo\u00e0i mong mu\u1ed1n.<\/p>\n<\/div>\n\n\n\n

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C\u01a1 s\u1edf d\u1eef li\u1ec7u lu\u00f4n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u1eeb c\u00e1c chuy\u00ean gia c\u1ee7a h\u00e3ng khi c\u00f3 s\u1ef1 c\u1ed1.<\/p>\n<\/div>\n\n\n\n

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An t\u00e2m t\u1eadp trung v\u00e0o c\u00e1c ho\u1ea1t \u0111\u1ed9ng kinh doanh.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

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M\u00f4 t\u1ea3 d\u1ecbch v\u1ee5<\/strong><\/h5>\n\n\n\n

Oracle lu\u00f4n lu\u00f4n khuy\u1ebfn c\u00e1o kh\u00e1ch h\u00e0ng c\u1ee7a m\u00ecnh n\u00e2ng c\u1ea5p C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00ean c\u00e1c phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 d\u00e0i h\u1ea1n (Long Term Support), \u0111\u1eb7c bi\u1ec7t l\u00e0 Oracle Database. Ch\u00fang t\u00f4i cung c\u1ea5p d\u1ecbch v\u1ee5 n\u00e2ng c\u1ea5p c\u00e1c phi\u00ean b\u1ea3n c\u01a1 s\u1edf d\u1eef li\u1ec7u nh\u01b0 10g, 11g, 12c, 18c,\u2026 l\u00ean c\u00e1c phi\u00ean b\u1ea3n m\u1edbi v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 l\u00e2u d\u00e0i t\u1eeb h\u00e3ng nh\u01b0 phi\u00ean b\u1ea3n 19c v\u00e0 23ai.<\/p>\n\n\n\n

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1. C\u00e1c v\u1ea5n \u0111\u1ec1 khi s\u1eed d\u1ee5ng phi\u00ean b\u1ea3n kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u1eeb h\u00e3ng<\/h6>\n\n\n\n

Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c phi\u00ean b\u1ea3n C\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi h\u00e3ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c Oracle s\u1ebd kh\u00f4ng ph\u00e1t h\u00e0nh c\u00e1c b\u1ea3n v\u00e1 l\u1ed7i li\u00ean quan \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u n\u0103ng cho nh\u1eefng phi\u00ean b\u1ea3n c\u0169. Vi\u1ec7c v\u1eadn h\u00e0nh c\u0169ng nh\u01b0 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh c\u0169ng s\u1ebd tr\u1edf n\u00ean kh\u00f3 kh\u0103n khi c\u01a1 s\u1edf d\u1eef li\u1ec7u g\u1eb7p s\u1ef1 c\u1ed1 ngo\u00e0i \u00fd mu\u1ed1n:<\/p>\n\n\n\n

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  • L\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt: N\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt v\u00e0 b\u1ea3n v\u00e1 th\u01b0\u1eddng xuy\u00ean, c\u01a1 s\u1edf d\u1eef li\u1ec7u s\u1ebd d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng b\u1ea3o m\u1eadt h\u01a1n.<\/li>\n\n\n\n
  • C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch: C\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u1edbi h\u01a1n c\u00f3 th\u1ec3 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c phi\u00ean b\u1ea3n c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u0169 h\u01a1n, kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/li>\n\n\n\n
  • Thi\u1ebfu h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt: Nh\u00f3m h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt c\u1ee7a Oracle s\u1ebd kh\u00f4ng h\u1ed7 tr\u1ee3 c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn c\u00e1c phi\u00ean b\u1ea3n kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, khi\u1ebfn vi\u1ec7c gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/li>\n\n\n\n
  • R\u1ee7i ro v\u1ec1 tu\u00e2n th\u1ee7: Ch\u1ea1y phi\u00ean b\u1ea3n c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c kh\u00f4ng tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u00e0 ti\u00eau chu\u1ea9n chung.<\/li>\n\n\n\n
  • C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t: C\u00e1c phi\u00ean b\u1ea3n c\u0169 h\u01a1n c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c c\u1ea3i ti\u1ebfn v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u00f3 trong c\u00e1c b\u1ea3n ph\u00e1t h\u00e0nh m\u1edbi h\u01a1n.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
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    2. C\u00e1c l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c n\u00e2ng c\u1ea5p l\u00ean phi\u00ean b\u1ea3n C\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1edbi nh\u1ea5t<\/h6>\n\n\n\n

    Vi\u1ec7c n\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00ean nh\u1eefng phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi h\u00e3ng \u0111\u1ea3m b\u1ea3o C\u01a1 s\u1edf d\u1eef li\u1ec7u lu\u00f4n \u0111\u01b0\u1ee3c ch\u00ednh th\u1ee9c h\u1ed7 tr\u1ee3 b\u1edfi h\u00e3ng, \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt c\u00e1c b\u1ea3n v\u00e1 v\u00e0 c\u00f3 \u0111\u1ed9i ng\u0169 chuy\u00ean gia h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n

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    • C\u1ea3i ti\u1ebfn hi\u1ec7u su\u1ea5t: c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y \u0111\u00e1ng k\u1ec3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n\n\n\n
    • C\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt n\u00e2ng cao: bao g\u1ed3m m\u00e3 h\u00f3a v\u00e0 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u t\u1ed1t h\u01a1n, gi\u00fap b\u1ea3o v\u1ec7 th\u00f4ng tin nh\u1ea1y c\u1ea3m.<\/li>\n\n\n\n
    • H\u1ed7 tr\u1ee3 d\u00e0i h\u1ea1n: \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 tu\u1ed5i th\u1ecd cho m\u00f4i tr\u01b0\u1eddng c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/li>\n\n\n\n
    • C\u1ea3i ti\u1ebfn ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng: c\u00e1c t\u00ednh n\u0103ng v\u00e0 c\u1ea3i ti\u1ebfn m\u1edbi trong PL\/SQL v\u00e0 SQL gi\u00fap ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n\n\n\n
    • Qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3: c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n gi\u00fap gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n\n\n\n
      \"\"\/<\/figure>\n<\/div>\n\n\n\n
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      3. Quy tr\u00ecnh n\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/h6>\n\n\n\n
        \n
      • Thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng ki\u1ec3m th\u1eed t\u01b0\u01a1ng t\u1ef1 m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t.<\/li>\n\n\n\n
      • C\u1eadp nh\u1eadt c\u00e1c b\u1ea3n v\u00e1 tr\u00ean phi\u00ean b\u1ea3n hi\u1ec7n t\u1ea1i c\u1ea7n thi\u1ebft cho vi\u1ec7c n\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n<\/li>\n\n\n\n
      • N\u00e2ng c\u1ea5p phi\u00ean b\u1ea3n c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u00f4i tr\u01b0\u1eddng ki\u1ec3m th\u1eed<\/li>\n\n\n\n
      • Ki\u1ec3m tra c\u01a1 s\u1edf d\u1eef li\u1ec7u sau khi n\u00e2ng c\u1ea5p<\/li>\n\n\n\n
      • C\u1eadp nh\u1eadt c\u00e1c th\u00f4ng s\u1ed1 best practice tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u sau khi n\u00e2ng c\u1ea5p<\/li>\n\n\n\n
      • Th\u1ef1c hi\u1ec7n ki\u1ec3m th\u1eed \u1ee9ng d\u1ee5ng c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/li>\n\n\n\n
      • Th\u1ef1c hi\u1ec7n t\u1ed1i \u01b0u c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 th\u1ef1c hi\u1ec7n ki\u1ec3m th\u1eed sau khi t\u1ed1i \u01b0u (*)<\/li>\n\n\n\n
      • L\u00ean k\u1ebf ho\u1ea1ch v\u00e0 th\u1ef1c hi\u1ec7n tr\u00ean m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t.<\/li>\n<\/ul>\n\n\n\n

        (*) C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec1u l\u1ea7n<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

        \n
        T\u1ea1i sao l\u1ea1i ch\u1ecdn d\u1ecbch v\u1ee5 c\u1ee7a OSAS?<\/h5>\n\n\n\n
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        \"\"\/<\/figure>\n\n\n\n

        Nhi\u1ec1u n\u0103m kinh nghi\u1ec7m trong l\u0129nh v\u1ef1c thi\u1ebft k\u1ebf, x\u00e2y d\u1ef1ng v\u00e0 b\u1ea3o tr\u00ec c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n<\/div>\n\n\n\n

        \n
        \"\"\/<\/figure>\n\n\n\n

        \u0110\u1ed9i ng\u0169 chuy\u00ean gia c\u00f3 ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n cao v\u1ec1 c\u00f4ng ngh\u1ec7, ki\u1ebfn tr\u00fac c\u1ee7a h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/p>\n<\/div>\n\n\n\n

        \n
        \"\"\/<\/figure>\n\n\n\n

        Nhi\u1ec1u n\u0103m kinh nghi\u1ec7m trong vi\u1ec7c t\u01b0 v\u1ea5n v\u00e0 tri\u1ec3n khai c\u00e1c gi\u1ea3i ph\u00e1p chuy\u00ean s\u00e2u v\u1ec1 c\u01a1 s\u1edf d\u1eef li\u1ec7u cho c\u00e1c \u0111\u01a1n v\u1ecb trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc.<\/p>\n<\/div>\n\n\n\n

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        \"\"\/<\/figure>\n\n\n\n

        Quy tr\u00ecnh l\u00e0m vi\u1ec7c chuy\u00ean nghi\u1ec7p, hi\u1ec7u qu\u1ea3.<\/p>\n<\/div>\n\n\n\n

        \n
        \"\"\/<\/figure>\n\n\n\n

        Cam k\u1ebft b\u1ea3o m\u1eadt th\u00f4ng tin kh\u00e1ch h\u00e0ng.<\/p>\n<\/div>\n\n\n\n

        \n
        \"\"\/<\/figure>\n\n\n\n

        H\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng 24\/7, \u0111\u00e1p \u1ee9ng x\u1eed l\u00fd s\u1ef1 c\u1ed1 theo m\u1ee9c \u0111\u1ed9 SLA.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

        D\u1ecbch v\u1ee5 N\u00e2ng c\u1ea5p C\u01a1 S\u1edf D\u1eef Li\u1ec7u Gi\u1edbi thi\u1ec7u Th\u00f4ng tin k\u1ef9 thu\u1eadt Trong b\u1ed1i c\u1ea3nh c\u00f4ng ngh\u1ec7 ng\u00e0y […]<\/p>","protected":false},"author":1,"featured_media":0,"parent":524,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-560","page","type-page","status-publish","hentry"],"yoast_head":"\nN\u00e2ng c\u1ea5p CSDL - 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