Puas cov ntaub ntawv warehouse txhawb oltp?

Cov txheej txheem:

Puas cov ntaub ntawv warehouse txhawb oltp?
Puas cov ntaub ntawv warehouse txhawb oltp?

Video: Puas cov ntaub ntawv warehouse txhawb oltp?

Video: Puas cov ntaub ntawv warehouse txhawb oltp?
Video: Xeev Washington Cov Kev Cai Kev Nyab Xeeb hauv Chaw Ua Hauj Lwm Uas Yuav Tsum Tau 2024, Lub kaum hli ntuj
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Feem ntau, hom database no yog OLTP ( online kev ua lag luam) database. … Lub tsev khaws ntaub ntawv yog cov ntaub ntawv ntawm ntau hom: OLAP (online analytical processing) database. Lub tsev khaws ntaub ntawv muaj nyob ua ib txheej nyob rau sab saum toj ntawm lwm lub database lossis databases (feem ntau OLTP databases).

Puas yog lub tsev khaws ntaub ntawv OLAP lossis OLTP?

Data Warehouse yog piv txwv ntawm OLAP system OLTP sawv cev rau kev ua lag luam On-Line. Nws yog siv los tswj kev lag luam hauv online thiab sau kev ncaj ncees hauv ntau qhov chaw nkag. OLTP yog ib qho system uas tswj cov lej loj ntawm kev lag luam online luv luv piv txwv li, ATM.

OLTP yog dab tsi hauv cov ntaub ntawv warehouse?

OLTP ( Kev Ua Lag Luam Online) yog hom kev ua cov ntaub ntawv uas ua tiav cov haujlwm tsom mus rau kev lag luam. Nws suav nrog kev ntxig, tshem tawm, lossis hloov kho me me ntawm cov ntaub ntawv database. Nws feem ntau yog siv rau kev lag luam nyiaj txiag, kev txiav txim nkag, muag muag thiab CRM.

Puas datawarehouse txhawb OLAP?

Cov ntaub ntawv warehouse txhawb kev ua haujlwm hauv online(OLAP), kev ua haujlwm thiab kev ua haujlwm uas txawv ntawm cov kev lag luam hauv online (OLTP) cov ntawv thov ib txwm txhawb nqa los ntawm kev ua haujlwm databases.

Puas cov ntaub ntawv warehouse txhawb kev ua lag luam?

Lub tsev khaws ntaub ntawv txhawb nqa kev txheeb xyuas hauv online (OLAP), cov kev ua haujlwm thiab kev ua haujlwm uas txawv ntawm cov kev lag luam hauv online (OLTP) cov ntawv thov ib txwm txhawb nqa los ntawm kev ua haujlwm databases.

Pom zoo:

Ntawm tus kheej txhawb cov ntaub ntawv ceev?

Ntawm tus kheej txhawb cov ntaub ntawv ceev?

Tus kws kho hniav Belgian Karel Sabbe tau tshaj tawm Joe 'Stringbean' McConaughy lub sijhawm tag nrho ntawm Appalachian Trail thiab tam sim no tuav cov ntaub ntawv txhawb nqa mus los. Appalachian Trail (AT) ceev cov ntaub ntawv tam sim no sawv ntawm 41 hnub, 7 teev, 39 feeb .

Puas tuav ntaub ntawv tseem tuav ntaub ntawv?

Puas tuav ntaub ntawv tseem tuav ntaub ntawv?

Secretariat tau them $ 2.20 los yeej thiab nws 2:24 tseem yog lub ntiaj teb cov ntaub ntawv rau 1 1/2 mais ntawm kev taug av, thiab nws tseem yog ob lub vib nas this zoo dua li cov kev sib tw tom ntej rau nws cov ntaub ntawv Belmont Stakes.

Nyob rau hauv cov ntaub ntawv ntsig txog cov ntaub ntawv yog pab pawg rau?

Nyob rau hauv cov ntaub ntawv ntsig txog cov ntaub ntawv yog pab pawg rau?

Data record Yuav ua li cas yog ib pab pawg ntawm cov teb nyob rau hauv ib tug database hu ua? A cov ntaub ntawv muaj cov teb, nrog rau txhua daim teb piav qhia tus cwj pwm ntawm qhov chaw. Cov ntaub ntawv - ib pawg ntawm cov ntaub ntawv ntsig txog.

Cov ntaub ntawv raug tshem tawm puas nyob ntawm koj cov ntaub ntawv?

Cov ntaub ntawv raug tshem tawm puas nyob ntawm koj cov ntaub ntawv?

Ib rooj plaub uas raug tshem tawm txhais tau hais tias kev foob raug kaw uas tsis pom qhov ua txhaum thiab tsis muaj txim rau tus neeg raug foob hauv rooj plaub txhaum cai los ntawm lub tsev hais plaub. … Ib rooj plaub uas raug rho tawm yuav tseem nyob hauv tus neeg raug foob cov ntaub ntawv ua txhaum cai .

Cov ntaub ntawv qhia ntawv puas txhawb kev kawm?

Cov ntaub ntawv qhia ntawv puas txhawb kev kawm?

Cov ntaub ntawv qhia txhim kho txoj kev qhia / kev kawm los ntawm kev nthuav tawm cov ntaub ntawv tsim nyog kom tau txais kev paub thiab kev txawj ntse … Lawv pab txhawb thiab txhawb kev kawm tus kheej lossis kev kawm ywj pheej hauv cov tub ntxhais kawm .