{"id":14947,"date":"2025-05-27T07:10:51","date_gmt":"2025-05-27T01:10:51","guid":{"rendered":"https:\/\/dtasiagroup.com\/toad-data-point-how-do-i-know-that-my-data-is-accurate\/"},"modified":"2025-06-23T16:27:51","modified_gmt":"2025-06-23T10:27:51","slug":"toad-data-point-lam-the-nao-de-kiem-tra-do-chinh-xac-cua-du-lieu","status":"publish","type":"post","link":"https:\/\/dtasiagroup.com\/vi\/toad-data-point-lam-the-nao-de-kiem-tra-do-chinh-xac-cua-du-lieu\/","title":{"rendered":"Toad Data Point: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u?"},"content":{"rendered":"

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Trong th\u1ebf gi\u1edbi c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7, d\u1eef li\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac theo c\u00e1c nguy\u00ean t\u1eafc chu\u1ea9n h\u00f3a. M\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 d\u01b0 th\u1eeba v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u. \u0110\u00e2y t\u1eeb l\u00e2u \u0111\u00e3 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1eb7c bi\u1ec7t khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c theo Chu\u1ea9n h\u00f3a l\u1ea7n th\u1ee9 ba (3NF) ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 Chu\u1ea9n Boyce-Codd (BCNF). Tuy nhi\u00ean, khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a cao h\u01a1n, n\u00f3 l\u1ea1i tr\u1edf n\u00ean k\u00e9m ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi \u0111\u1ecbnh d\u1ea1ng c\u1ea7n thi\u1ebft cho c\u00e1c b\u00e1o c\u00e1o, dashboard v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u00e2n t\u00edch kinh doanh.<\/p>\n

Khi b\u1ea1n \u0111\u00e3 k\u1ebft n\u1ed1i v\u1edbi c\u00e1c ngu\u1ed3n d\u1eef li\u1ec7u, x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u00f4ng tin li\u00ean quan v\u00e0 t\u1ea1o ra b\u1ed9 d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh, b\u01b0\u1edbc quan tr\u1ecdng ti\u1ebfp theo l\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u \u0111\u00f3. Th\u1eadt \u0111\u00e1ng ng\u1ea1c nhi\u00ean khi ph\u00e1t hi\u1ec7n r\u1eb1ng b\u1ed9 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c l\u1ed7i sai, d\u1eef li\u1ec7u tr\u00f9ng l\u1eb7p ho\u1eb7c nh\u1eefng g\u00ec th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cd\u1eef li\u1ec7u b\u1ea9n\u201d. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac Toad Data Point tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u.<\/p>\n

Trong b\u1ed1i c\u1ea3nh \u1ee9ng d\u1ee5ng ng\u00e0y nay, ph\u1ea7n l\u1edbn qu\u00e1 tr\u00ecnh nh\u1eadp d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c giao cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i. D\u00f9 l\u00e0 \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n tr\u00ean m\u1ed9t trang web hay \u0111i\u1ec1n v\u00e0o bi\u1ec3u m\u1eabu tr\u1ef1c tuy\u1ebfn, ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cung c\u1ea5p th\u00f4ng tin c\u00e1 nh\u00e2n nh\u01b0 \u0111\u1ecba ch\u1ec9 email, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i v\u00e0 m\u00e3 b\u01b0u \u0111i\u1ec7n. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi ch\u1ec9 nh\u1eadp th\u00f4ng tin ng\u1eabu nhi\u00ean ho\u1eb7c kh\u00f4ng ch\u00ednh x\u00e1c \u0111\u1ec3 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c. K\u1ebft qu\u1ea3 l\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f3 th\u1ec3 nhanh ch\u00f3ng b\u1ecb l\u1ea5p \u0111\u1ea7y b\u1edfi nh\u1eefng d\u1eef li\u1ec7u kh\u00f4ng h\u1ee3p l\u1ec7, kh\u00f4ng nh\u1ea5t qu\u00e1n ho\u1eb7c g\u00e2y hi\u1ec3u l\u1ea7m.<\/p>\n

L\u00e0 m\u1ed9t nh\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, nhi\u1ec7m v\u1ee5 c\u1ee7a b\u1ea1n l\u00e0 ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y. Nh\u01b0ng l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1ea1n x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u sai m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3?<\/p>\n

Khi b\u1ea1n \u0111\u00e3 t\u1ea1o b\u1ed9 d\u1eef li\u1ec7u trong Toad Data Point, b\u1ea1n c\u00f3 th\u1ec3 g\u1eedi b\u1ed9 d\u1eef li\u1ec7u \u0111\u00f3 \u0111\u1ebfn m\u00f4-\u0111un Data Profiling<\/strong> (Ph\u00e2n t\u00edch d\u1eef li\u1ec7u). M\u00f4-\u0111un n\u00e0y gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng trong b\u1ed9 d\u1eef li\u1ec7u. N\u00f3 bao g\u1ed3m nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c nhau m\u00e0 ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u chi ti\u1ebft \u1edf ph\u1ea7n d\u01b0\u1edbi.<\/p>\n

\u0110\u1ec3 g\u1eedi b\u1ed9 d\u1eef li\u1ec7u \u0111\u1ebfn ch\u1ee9c n\u0103ng ph\u00e2n t\u00edch, h\u00e3y nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o k\u1ebft qu\u1ea3 c\u1ee7a b\u1ed9 d\u1eef li\u1ec7u, sau \u0111\u00f3 ch\u1ecdn Send To<\/strong> | Data Profiling:<\/strong><\/p>\n

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Khi Data Profiling<\/strong> \u0111\u01b0\u1ee3c kh\u1edfi ch\u1ea1y, theo m\u1eb7c \u0111\u1ecbnh, n\u00f3 s\u1ebd ph\u00e2n t\u00edch 1.000 d\u00f2ng d\u1eef li\u1ec7u \u0111\u1ea7u ti\u00ean. N\u1ebfu b\u1ea1n mu\u1ed1n ph\u00e2n t\u00edch to\u00e0n b\u1ed9 b\u1ed9 d\u1eef li\u1ec7u, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch nh\u1ea5p v\u00e0o Edit Profile<\/strong>, sau \u0111\u00f3 ch\u1ecdn All Rows<\/strong>.<\/p>\n

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Trong tab Summary<\/strong>, b\u1ea1n s\u1ebd th\u1ea5y b\u1ea3n ph\u00e2n t\u00edch cho t\u1eebng c\u1ed9t d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng bi\u1ec3u \u0111\u1ed3. Bi\u1ec3u \u0111\u1ed3 n\u00e0y, nh\u01b0 minh h\u1ecda b\u00ean d\u01b0\u1edbi, r\u1ea5t h\u1eefu \u00edch trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng. Trong v\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y, t\u00f4i ngh\u0129 r\u1eb1ng tr\u01b0\u1eddng OrderID<\/strong> l\u00e0 duy nh\u1ea5t, nh\u01b0ng t\u00f4i c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u00f3 nh\u1eefng d\u00f2ng b\u1ecb l\u1eb7p l\u1ea1i. \u0110\u1ec3 xem c\u00e1c d\u00f2ng b\u1ecb l\u1eb7p, t\u00f4i ch\u1ec9 c\u1ea7n nh\u1ea5p \u0111\u00fap v\u00e0o ph\u1ea7n m\u00e0u cam tr\u00ean thanh OrderID<\/strong>, c\u00e1c d\u00f2ng b\u1ecb l\u1eb7p s\u1ebd \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea ra.<\/p>\n

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\u0110i\u1ec1u n\u00e0y cho th\u1ea5y m\u1ed9t \u0111i\u1ec3m th\u00fa v\u1ecb \u2013 Order ID<\/strong> th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 duy nh\u1ea5t. \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb duy nh\u1ea5t cho t\u1eebng d\u00f2ng (Kh\u00f3a ch\u00ednh), t\u00f4i c\u1ea7n s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p OrderID + LineID<\/strong>.<\/p>\n

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Chuy\u1ec3n sang tab Statistics<\/strong> \u2013 n\u1ebfu b\u1ea1n c\u1ea7n th\u00f4ng tin th\u1ed1ng k\u00ea d\u1eef li\u1ec7u, ch\u1ec9 ri\u00eang ch\u1ee9c n\u0103ng n\u00e0y c\u0169ng \u0111\u00e3 x\u1ee9ng \u0111\u00e1ng v\u1edbi chi ph\u00ed b\u1ea3n quy\u1ec1n. Ch\u1ec9 c\u1ea7n ch\u1ecdn c\u1ed9t b\u00ean khung b\u00ean tr\u00e1i, b\u1ea1n s\u1ebd ngay l\u1eadp t\u1ee9c nh\u1eadn \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch th\u1ed1ng k\u00ea nh\u01b0: trung v\u1ecb, gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t, nh\u1ecf nh\u1ea5t, gi\u00e1 tr\u1ecb trung b\u00ecnh, mode, t\u1ed5ng, \u0111\u1ed9 l\u1ec7ch chu\u1ea9n, v.v. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng hi\u1ec3n th\u1ecb bi\u1ec3u \u0111\u1ed3 Ph\u00e2n b\u1ed1 gi\u00e1 tr\u1ecb<\/strong> v\u00e0 Ph\u00e2n v\u1ecb (Percentiles)<\/strong> cho t\u1eebng c\u1ed9t. Theo quan \u0111i\u1ec3m c\u00e1 nh\u00e2n c\u1ee7a t\u00f4i, m\u1ee9c \u0111\u1ed9 chi ti\u1ebft m\u00e0 tab n\u00e0y cung c\u1ea5p th\u1ef1c s\u1ef1 r\u1ea5t \u1ea5n t\u01b0\u1ee3ng. N\u00f3 gi\u00fap ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 th\u1eddi gian so v\u1edbi vi\u1ec7c ph\u1ea3i t\u1ef1 t\u00ednh to\u00e1n c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y b\u1eb1ng tay.<\/p>\n

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Tab ti\u1ebfp theo m\u00e0 t\u00f4i mu\u1ed1n nh\u1ea5n m\u1ea1nh l\u00e0 Patterns<\/strong>. \u0110\u00fang nh\u01b0 t\u00ean g\u1ecdi, tab n\u00e0y ph\u00e2n t\u00edch c\u00e1c m\u1eabu trong c\u00e1c c\u1ed9t d\u1ea1ng v\u0103n b\u1ea3n\/chu\u1ed7i trong b\u1ed9 d\u1eef li\u1ec7u. R\u1ea5t nhi\u1ec1u kh\u00e1ch h\u00e0ng s\u1eed d\u1ee5ng t\u00ednh n\u0103ng n\u00e0y cho c\u00e1c c\u1ed9t c\u00f3 \u0111\u1ecbnh d\u1ea1ng r\u00f5 r\u00e0ng nh\u01b0 \u0111\u1ecba ch\u1ec9 email, m\u00e3 b\u01b0u \u0111i\u1ec7n, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i.<\/p>\n

T\u00ednh n\u0103ng n\u00e0y s\u1ebd hi\u1ec3n th\u1ecb Word Pattern<\/strong> (ki\u1ec3m tra xem d\u1eef li\u1ec7u c\u00f3 ch\u1ee9a ch\u1eef c\u00e1i, s\u1ed1, d\u1ea5u c\u00e2u, kho\u1ea3ng tr\u1eafng hay kh\u00f4ng) v\u00e0 Letter Pattern<\/strong> (th\u1ee9 t\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c ch\u1eef c\u00e1i, s\u1ed1, d\u1ea5u c\u00e2u, kho\u1ea3ng tr\u1eafng).<\/p>\n

Trong v\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y, c\u00f4ng c\u1ee5 \u0111\u00e3 nhanh ch\u00f3ng ph\u00e1t hi\u1ec7n c\u00e1c b\u1ea5t th\u01b0\u1eddng trong tr\u01b0\u1eddng \u0111\u1ecba ch\u1ec9 email \u2014 c\u1ee5 th\u1ec3 l\u00e0 c\u00f3 nh\u1eefng email ch\u1ee9a kho\u1ea3ng tr\u1eafng, \u0111i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh \u0111\u1ecba ch\u1ec9 kh\u00f4ng h\u1ee3p l\u1ec7.<\/p>\n

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Tab Language<\/strong> cung c\u1ea5p th\u00f4ng tin t\u01b0\u01a1ng t\u1ef1 nh\u01b0 tab Pattern<\/strong>, nh\u01b0ng l\u1ea7n n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e2n t\u00edch ph\u00e2n b\u1ed1 k\u00fd t\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u1ed9t d\u1ea1ng v\u0103n b\u1ea3n\/chu\u1ed7i. M\u1ed9t l\u1ea7n n\u1eefa, tr\u01b0\u1eddng \u0111\u1ecba ch\u1ec9 email hi\u1ec3n th\u1ecb c\u00f3 ch\u1ee9a kho\u1ea3ng tr\u1eafng trong d\u1eef li\u1ec7u.<\/p>\n

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Cu\u1ed1i c\u00f9ng, tab Duplicates<\/strong>\u00a0cho ph\u00e9p b\u1ea1n t\u00ecm ki\u1ebfm c\u00e1c d\u00f2ng d\u1eef li\u1ec7u tr\u00f9ng l\u1eb7p trong b\u1ed9 d\u1eef li\u1ec7u. B\u1ea1n ch\u1ec9 c\u1ea7n ch\u1ecdn c\u00e1c c\u1ed9t mu\u1ed1n ki\u1ec3m tra, v\u00e0 c\u00f4ng c\u1ee5 s\u1ebd t\u00ecm c\u00e1c d\u00f2ng tr\u00f9ng l\u1eb7p d\u1ef1a tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c c\u1ed9t \u0111\u01b0\u1ee3c ch\u1ecdn. Trong v\u00ed d\u1ee5 b\u00ean d\u01b0\u1edbi, t\u00f4i \u0111ang t\u00ecm c\u00e1c tr\u01b0\u1eddng Firstname<\/strong> v\u00e0 Surname<\/strong> b\u1ecb tr\u00f9ng. V\u00ec \u0111\u00e2y l\u00e0 c\u00e1c c\u1ed9t d\u1ea1ng chu\u1ed7i (string), t\u00f4i ch\u1ecdn ph\u01b0\u01a1ng th\u1ee9c t\u00ecm ki\u1ebfm fuzzy<\/b>. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p Toad t\u00ecm c\u00e1c t\u00ean t\u01b0\u01a1ng t\u1ef1 nhau, bao g\u1ed3m c\u1ea3 c\u00e1c l\u1ed7i ch\u00ednh t\u1ea3 c\u00f3 th\u1ec3 x\u1ea3y ra khi nh\u1eadp li\u1ec7u. \u1ea2nh minh h\u1ecda b\u00ean d\u01b0\u1edbi cho th\u1ea5y \u201cJoy Jones\u201d v\u00e0 \u201cJoe Jones\u201d \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u l\u00e0 tr\u00f9ng l\u1eb7p d\u1ea1ng fuzzy<\/strong> v\u00ec ch\u1ec9 c\u00f3 1 k\u00fd t\u1ef1 kh\u00e1c bi\u1ec7t trong t\u00ean \u0111\u1ea7y \u0111\u1ee7. Tuy nhi\u00ean, t\u00f4i bi\u1ebft r\u1eb1ng \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea3n sao tr\u00f9ng l\u1eb7p, v\u00ec v\u1eady t\u00f4i s\u1ebd th\u00eam m\u1ed9t s\u1ed1 c\u1ed9t kh\u00e1c \u0111\u1ec3 l\u00e0m cho vi\u1ec7c t\u00ecm ki\u1ebfm ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n

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\u1ede v\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y, t\u00f4i \u0111\u00e3 th\u00eam c\u00e1c c\u1ed9t Ng\u00e0y sinh<\/strong> v\u00e0 \u0110\u1ecba ch\u1ec9 email<\/strong>, v\u00ec t\u00f4i tin r\u1eb1ng hai th\u00f4ng tin n\u00e0y s\u1ebd gi\u00fap x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1 nh\u00e2n duy nh\u1ea5t.<\/p>\n

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Sau khi \u0111\u00e3 ph\u00e2n t\u00edch b\u1ed9 d\u1eef li\u1ec7u, x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd trong \u1ee9ng d\u1ee5ng ngu\u1ed3n v\u00e0\/ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i truy v\u1ea5n c\u1ee7a m\u00ecnh, gi\u1edd \u0111\u00e2y t\u00f4i c\u00f3 th\u1ec3 y\u00ean t\u00e2m ti\u1ebfp t\u1ee5c c\u00f4ng vi\u1ec7c v\u00ec d\u1eef li\u1ec7u m\u00e0 t\u00f4i truy xu\u1ea5t \u0111\u00e3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n

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V\u1ec1 DT Asia<\/strong><\/p>\n

DT Asia \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp n\u0103m 2007 v\u1edbi s\u1ee9 m\u1ec7nh \u0111\u01b0a c\u00e1c gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt CNTT ti\u00ean phong kh\u00e1c nhau t\u1eeb Hoa K\u1ef3, Ch\u00e2u \u00c2u v\u00e0 Israel gia nh\u1eadp th\u1ecb tr\u01b0\u1eddng.<\/p>\n

Hi\u1ec7n t\u1ea1i, DT Asia \u0111\u00e3 l\u00e0 m\u1ed9t nh\u00e0 ph\u00e2n ph\u1ed1i gi\u00e1 tr\u1ecb gia t\u0103ng trong khu v\u1ef1c \u0111\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p an ninh m\u1ea1ng, cung c\u1ea5p c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn cho c\u00e1c t\u1ed5 ch\u1ee9c ch\u00ednh ph\u1ee7 tr\u1ecdng y\u1ebfu c\u0169ng nh\u01b0 c\u00e1c kh\u00e1ch h\u00e0ng t\u01b0 nh\u00e2n l\u1edbn bao g\u1ed3m c\u00e1c ng\u00e2n h\u00e0ng to\u00e0n c\u1ea7u v\u00e0 c\u00e1c c\u00f4ng ty trong danh s\u00e1ch Fortune 500. V\u1edbi c\u00e1c v\u0103n ph\u00f2ng v\u00e0 \u0111\u1ed1i t\u00e1c r\u1ed9ng kh\u1eafp trong khu v\u1ef1c Ch\u00e2u \u00c1 Th\u00e1i B\u00ecnh D\u01b0\u01a1ng, ch\u00fang t\u00f4i hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 th\u1ecb tr\u01b0\u1eddng v\u00e0 t\u1eeb \u0111\u00f3 mang \u0111\u1ebfn nh\u1eefng gi\u1ea3i ph\u00e1p b\u1ea3n \u0111\u1ecba h\u00f3a ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng qu\u1ed1c gia, t\u1eebng t\u1ed5 ch\u1ee9c.<\/p>\n

\u00a0<\/strong><\/p>\n

C\u00e1ch ch\u00fang t\u00f4i gi\u00fap b\u1ea1n<\/strong><\/p>\n

N\u1ebfu b\u1ea1n mu\u1ed1n bi\u1ebft th\u00eam Toad Data Point: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u, b\u1ea1n \u0111ang \u1edf \u0111\u00fang n\u01a1i, ch\u00fang t\u00f4i s\u1eb5n s\u00e0ng gi\u00fap \u0111\u1ee1! DT Asia l\u00e0 nh\u00e0 ph\u00e2n ph\u1ed1i c\u1ee7a Quest Software, \u0111\u1eb7c bi\u1ec7t t\u1ea1i Vi\u1ec7t Nam v\u00e0 ch\u00e2u \u00c1, c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean c\u1ee7a ch\u00fang t\u00f4i c\u00f3 kinh nghi\u1ec7m s\u00e2u r\u1ed9ng v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 li\u00ean quan m\u00e0 b\u1ea1n lu\u00f4n c\u00f3 th\u1ec3 tin t\u01b0\u1edfng. Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p tr\u1ecdn g\u00f3i cho s\u1ea3n ph\u1ea9m n\u00e0y, bao g\u1ed3m t\u01b0 v\u1ea5n, tri\u1ec3n khai v\u00e0 d\u1ecbch v\u1ee5 b\u1ea3o tr\u00ec.<\/p>\n

\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chi ti\u1ebft v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, vui l\u00f2ng truy c\u1eadp:\u00a0https:\/\/dtasiagroup.com\/quest\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Trong th\u1ebf gi\u1edbi c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7, d\u1eef li\u1ec7u th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac theo c\u00e1c nguy\u00ean t\u1eafc chu\u1ea9n h\u00f3a. M\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 d\u01b0 th\u1eeba v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u. \u0110\u00e2y t\u1eeb l\u00e2u \u0111\u00e3 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1eb7c bi\u1ec7t khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c theo Chu\u1ea9n h\u00f3a l\u1ea7n th\u1ee9 ba (3NF) ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 Chu\u1ea9n Boyce-Codd (BCNF). Tuy nhi\u00ean, khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a cao h\u01a1n, n\u00f3 l\u1ea1i tr\u1edf n\u00ean k\u00e9m ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi \u0111\u1ecbnh d\u1ea1ng c\u1ea7n thi\u1ebft cho c\u00e1c b\u00e1o c\u00e1o, dashboard v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u00e2n t\u00edch kinh doanh.<\/p>\n","protected":false},"author":11,"featured_media":14880,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79,66,63,62],"tags":[],"class_list":["post-14947","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bai-viet","category-news-vi","category-announcements-vi","category-uncategorized-vi"],"_links":{"self":[{"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/posts\/14947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/comments?post=14947"}],"version-history":[{"count":3,"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/posts\/14947\/revisions"}],"predecessor-version":[{"id":14950,"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/posts\/14947\/revisions\/14950"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/media\/14880"}],"wp:attachment":[{"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/media?parent=14947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/categories?post=14947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dtasiagroup.com\/vi\/wp-json\/wp\/v2\/tags?post=14947"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}