{"id":27197,"date":"2023-12-07T03:42:58","date_gmt":"2023-12-07T03:42:58","guid":{"rendered":"https:\/\/masterskills.org\/blog\/kho-du-lieu-data-warehousing-la-gi-phan-biet-kho-du-lieu-va-co-so-du-lieu.html"},"modified":"2023-12-22T14:55:00","modified_gmt":"2023-12-22T07:55:00","slug":"kho-du-lieu-data-warehousing-la-gi-phan-biet-kho-du-lieu-va-co-so-du-lieu","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/kho-du-lieu-data-warehousing-la-gi-phan-biet-kho-du-lieu-va-co-so-du-lieu.html","title":{"rendered":"Kho d\u1eef li\u1ec7u (Data Warehousing) l\u00e0 g\u00ec? Ph\u00e2n bi\u1ec7t kho d\u1eef li\u1ec7u v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u"},"content":{"rendered":"
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(\u1ea2nh minh h\u1ecda: Digital Vidya)<\/p>\n<\/figcaption><\/figure>\n

Kho d\u1eef li\u1ec7u<\/font><\/h2>\n

Kh\u00e1i ni\u1ec7m<\/b><\/p>\n

Kho d\u1eef li\u1ec7u<\/b> trong ti\u1ebfng Anh l\u00e0 Data Warehousing<\/b>.<\/p>\n

Kho d\u1eef li\u1ec7u<\/b> l\u00e0 kho l\u01b0u tr\u1eef \u0111i\u1ec7n t\u1eed c\u1ee7a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn th\u00f4ng tin c\u1ee7a m\u1ed9t doanh nghi\u1ec7p ho\u1eb7c t\u1ed5 ch\u1ee9c. Kho d\u1eef li\u1ec7u l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a ph\u00e2n t\u00edch kinh doanh, s\u1eed d\u1ee5ng c\u00e1c k\u0129 thu\u1eadt ph\u00e2n t\u00edch tr\u00ean d\u1eef li\u1ec7u doanh nghi\u1ec7p.\u00a0<\/p>\n

Kh\u00e1i ni\u1ec7m kho d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 1988 b\u1edfi 2 nh\u00e0 nghi\u00ean c\u1ee9u\u00a0c\u1ee7a IBM l\u00e0 Barry Devlin v\u00e0 Paul Murphy.\u00a0Nhu c\u1ea7u l\u01b0u tr\u1eef d\u1eef li\u1ec7u ph\u00e1t tri\u1ec3n khi c\u00e1c h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 ph\u1ea3i x\u1eed l\u00ed l\u01b0\u1ee3ng d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng t\u0103ng.\u00a0M\u1ed9t cu\u1ed1n s\u00e1ch quan tr\u1ecdng v\u1ec1 l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u00e0 “X\u00e2y d\u1ef1ng kho d\u1eef li\u1ec7u” c\u1ee7a W.H Inmon, \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1990 v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00e1i b\u1ea3n nhi\u1ec1u l\u1ea7n k\u1ec3 t\u1eeb \u0111\u00f3.<\/p>\n

Kho d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p c\u00e1i nh\u00ecn s\u00e2u s\u1eafc h\u01a1n v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t c\u00f4ng ty b\u1eb1ng c\u00e1ch so s\u00e1nh d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c h\u1ee3p nh\u1ea5t t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t. Kho d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ea1y c\u00e1c c\u00e2u h\u1ecfi v\u00e0 ph\u00e2n t\u00edch tr\u00ean d\u1eef li\u1ec7u l\u1ecbch s\u1eed c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb c\u00e1c ngu\u1ed3n giao d\u1ecbch.\u00a0<\/p>\n

Kho d\u1eef li\u1ec7u ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/font><\/h3>\n

Khi d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c n\u1ea1p v\u00e0o kho, n\u00f3 kh\u00f4ng thay \u0111\u1ed5i v\u00e0 kh\u00f4ng th\u1ec3 s\u1eeda \u0111\u1ed5i do kho d\u1eef li\u1ec7u<\/b> v\u1eadn h\u00e0nh c\u00e1c ph\u00e2n t\u00edch v\u1ec1 s\u1ef1 ki\u1ec7n \u0111\u00e3 x\u1ea3y ra b\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o c\u00e1c thay \u0111\u1ed5i trong d\u1eef li\u1ec7u theo th\u1eddi gian. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef ph\u1ea3i \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef theo c\u00e1ch an to\u00e0n, \u0111\u00e1ng tin c\u1eadp, d\u1ec5 truy xu\u1ea5t v\u00e0 qu\u1ea3n l\u00ed.\u00a0<\/p>\n

C\u00f3 m\u1ed9t s\u1ed1 b\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 t\u1ea1o m\u1ed9t kho d\u1eef li\u1ec7u. B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u, bao g\u1ed3m vi\u1ec7c thu th\u1eadp l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u \u0111i\u1ec3m ngu\u1ed3n. Sau khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c bi\u00ean so\u1ea1n, n\u00f3 s\u1ebd tr\u1ea3i qua qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u, qu\u00e1 tr\u00ecnh x\u1eed l\u00ed d\u1eef li\u1ec7u \u0111\u1ec3 t\u00ecm l\u1ed7i v\u00e0 s\u1eeda, ho\u1eb7c lo\u1ea1i tr\u1eeb b\u1ea5t k\u00ec l\u1ed7i n\u00e0o \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y.\u00a0<\/p>\n

D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u1ecdn s\u1ea1ch sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i t\u1eeb \u0111\u1ecbnh d\u1ea1ng c\u01a1 s\u1edf d\u1eef li\u1ec7u sang \u0111\u1ecbnh d\u1ea1ng kho. Khi \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong kho, d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp, h\u1ee3p nh\u1ea5t v\u00e0 t\u1ed5ng k\u1ebft,… \u0111\u1ec3 n\u00f3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n. Theo th\u1eddi gian, nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c th\u00eam v\u00e0o kho khi nhi\u1ec1u ngu\u1ed3n d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt.\u00a0<\/p>\n

C\u00e1c doanh nghi\u1ec7p c\u00f3 th\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u \u0111\u1ec3 s\u1eed d\u1ee5ng trong th\u0103m d\u00f2 v\u00e0 khai th\u00e1c d\u1eef li\u1ec7u, t\u00ecm ki\u1ebfm c\u00e1c m\u1eabu th\u00f4ng tin s\u1ebd gi\u00fap h\u1ecd c\u1ea3i thi\u1ec7n qui tr\u00ecnh kinh doanh c\u1ee7a m\u00ecnh. M\u1ed9t h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u t\u1ed1t c\u0169ng c\u00f3 th\u1ec3 gi\u00fap c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau trong c\u00f4ng ty truy c\u1eadp d\u1eef li\u1ec7u c\u1ee7a nhau d\u1ec5 d\u00e0ng h\u01a1n.\u00a0<\/p>\n

V\u00ed d\u1ee5: kho d\u1eef li\u1ec7u c\u00f3 th\u1ec3 cho ph\u00e9p m\u1ed9t c\u00f4ng ty d\u1ec5 d\u00e0ng \u0111\u00e1nh gi\u00e1 d\u1eef li\u1ec7u c\u1ee7a nh\u00f3m b\u00e1n h\u00e0ng v\u00e0 gi\u00fap \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh v\u1ec1 c\u00e1ch c\u1ea3i thi\u1ec7n doanh s\u1ed1 ho\u1eb7c s\u1eafp x\u1ebfp h\u1ee3p l\u00ed h\u00f3a c\u00e1c b\u1ed9 ph\u1eadn. Doanh nghi\u1ec7p c\u00f3 th\u1ec3 ch\u1ecdn t\u1eadp trung v\u00e0o th\u00f3i quen chi ti\u00eau c\u1ee7a kh\u00e1ch h\u00e0ng \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb t\u1ed1t h\u01a1n s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh v\u00e0 t\u0103ng doanh s\u1ed1.\u00a0<\/p>\n

Kho d\u1eef li\u1ec7u v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/font><\/h3>\n

Kho d\u1eef li\u1ec7u kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i l\u00e0 kh\u00e1i ni\u1ec7m gi\u1ed1ng nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u ti\u00eau chu\u1ea9n.\u00a0<\/p>\n

C\u01a1 s\u1edf d\u1eef li\u1ec7u\u00a0l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng giao d\u1ecbch \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 gi\u00e1m s\u00e1t v\u00e0 c\u1eadp nh\u1eadt d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c \u0111\u1ec3 ch\u1ec9 c\u00f3 d\u1eef li\u1ec7u g\u1ea7n \u0111\u00e2y nh\u1ea5t d\u00f9ng \u0111\u01b0\u1ee3c.\u00a0<\/p>\n

Kho d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh \u0111\u1ec3 t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac trong m\u1ed9t kho\u1ea3ng th\u1eddi gian.\u00a0<\/p>\n

V\u00ed d\u1ee5: c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f3 th\u1ec3 ch\u1ec9 c\u00f3 \u0111\u1ecba ch\u1ec9 g\u1ea7n \u0111\u00e2y nh\u1ea5t c\u1ee7a kh\u00e1ch h\u00e0ng, trong khi kho d\u1eef li\u1ec7u c\u00f3 th\u1ec3 c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ecba ch\u1ec9 m\u00e0 kh\u00e1ch h\u00e0ng \u0111\u00e3 s\u1ed1ng trong 10 n\u0103m qua.\u00a0<\/p>\n

(Theo Investopedia<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n Kho d\u1eef li\u1ec7u (ti\u1ebfng Anh: Data Warehousing) l\u00e0 kho l\u01b0u tr\u1eef \u0111i\u1ec7n t\u1eed c\u1ee7a m\u1ed9t l\u01b0\u1ee3ng l\u1edbn th\u00f4ng tin c\u1ee7a m\u1ed9t doanh nghi\u1ec7p ho\u1eb7c t\u1ed5 ch\u1ee9c.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[415],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27197"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=27197"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/27197\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=27197"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=27197"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=27197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}