Video: Vim li cas cov ntaub ntawv khaws cia tseem ceeb?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Nws hu ua Cov ntaub ntawv Kev tiv thaiv. Yog li Kev khaws cia yog heev tseem ceeb raws li nws tiv thaiv andretrieves koj cov ntaub ntawv thaum twg koj xav tau. Txij li thaum cov ntaub ntawv tuaj yeem yog tam sim no khaws cia nyob rau hauv huab qhov kev ruaj ntseg feature kuj nce.
Tom qab ntawd, vim li cas thiaj yuav cov ntaub ntawv khaws cia txuas ntxiv rau qhov tseem ceeb?
Vim nws qhov zoo tshaj plaws thev naus laus zis, anall-flash khaws cia daws ua tau daws ntau yam hnub no cov ntaub ntawv loj hlob thiab cov teeb meem nkag mus tau rau hauv a denser, ua haujlwm zoo dua, thiab cov ntawv me me. Yog li yog tias cov ntaub ntawv yog tseem ceeb rau koj lub lag luam, xyuas kom meej tias koj tso tib theem ntawm qhov tseem ceeb ntawm koj xav tau kev khaws cia.
Cov ntaub ntawv khaws cia thiab kev tswj hwm yog dab tsi? Kev Tswj Xyuas Cov Ntaub Ntawv hais txog cov kev tswj hwm ntawm cov ntaub ntawv khaws cia cov khoom siv uas siv los khaws cov neeg siv khoom / khoos phis tawj tsim tawm cov ntaub ntawv . Yog li nws yog atool lossis txheej txheej txheej txheem siv los ntawm tus thawj coj los khaws koj cov ntaub ntawv thiab khaws cia cov cuab yeej muaj kev nyab xeeb. Piv txwv ntawm cov cuab yeej xws li: Cov ntaub ntawv Dynamics Inc.
Ib yam li ntawd, vim li cas peb thiaj xav tau cov cuab yeej cia?
Khoos phis tawj cov khoom siv cia . Khoos phis tawj khoom siv yog siv los khaws ntau cov ntaub ntawv thiab cov ntaub ntawv mus tas li. Yog tias koj xav tau ib qho ntawm koj cov ntaub ntawv khaws cia zoo thiab kav ntev, ces koj xaiv yuav tsum ua cov no khoom siv . Feem ntau cov hom no khoom siv hu ua theem nrab khaws cia los yog mus tas li khaws cia.
Dab tsi yog qhov txawv ntawm kev khaws cia?
Muaj ob hom kev khaws cia cov khoom siv nrog lub computer: ib qho tseem ceeb khaws cia ntaus ntawv, xws li RAM, thiab asecondary khaws cia ntaus ntawv, xws li lub hard drive. Secondary khaws cia tuaj yeem tshem tau, sab hauv, orexternal.
Pom zoo:
Dab tsi yog cov ntaub ntawv hloov pauv hauv cov ntaub ntawv khaws cia?
Cov ntaub ntawv hloov pauv yog cov ntaub ntawv uas tau tsim nyob rau hauv daim ntawv thov kev sib ntsib, uas tsis tau khaws cia hauv cov ntaub ntawv tom qab daim ntawv thov raug txiav
Ntev npaum li cas cov ntaub ntawv tuaj yeem khaws cia hauv cov ntaub ntawv warehouse?
10 xyoo Yog li ntawd, cov ntaub ntawv khaws cia hauv lub tsev khaws ntaub ntawv li cas? Cov ntaub ntawv yog feem ntau khaws cia rau hauv ib lub tsev khaws ntaub ntawv los ntawm cov txheej txheem rho tawm, hloov pauv thiab thauj khoom (ETL), qhov twg cov ntaub ntawv tau muab rho tawm los ntawm qhov chaw, hloov mus rau qhov zoo cov ntaub ntawv thiab ces loaded rau hauv ib lub tsev khaws khoom .
Vim li cas kem taw qhia cov ntaub ntawv khaws cia ua cov ntaub ntawv nkag ntawm disks sai dua li kab qhia cov ntaub ntawv khaws cia?
Kem oriented databases (aka columnar databases) yog qhov tsim nyog rau kev ntsuas kev ua haujlwm ntau dua vim tias cov ntaub ntawv hom ntawv (kem hom) qiv nws tus kheej kom nrawm dua cov lus nug ua - scans, aggregation thiab lwm yam. Ntawm qhov tod tes, kab oriented databases khaws ib kab (thiab tag nrho nws. kab) contiguously
Vim li cas nws tseem ceeb kom khaws cov ntaub ntawv tsis pub lwm tus paub hauv kev noj qab haus huv thiab kev saib xyuas kev noj qab haus huv?
Ib qho tseem ceeb tshaj plaws ntawm kev ceev ntiag tug yog tias nws pab tsim thiab txhim kho kev ntseeg siab. Nws muaj peev xwm tso cai rau cov ntaub ntawv pub dawb ntawm cov neeg siv khoom thiab cov neeg ua haujlwm thiab lees paub tias tus neeg siv khoom lub neej thiab txhua yam teeb meem thiab teeb meem uas lawv muaj rau lawv
Vim li cas cov ntaub ntawv zoo tseem ceeb heev rau kev sau cov ntaub ntawv txheeb cais?
Cov ntaub ntawv muaj txiaj ntsig zoo yuav ua kom muaj txiaj ntsig ntau dua hauv kev tsav lub tuam txhab kev vam meej vim yog kev vam khom ntawm qhov tseeb-raws li kev txiav txim siab, tsis yog kev coj cwj pwm lossis tib neeg kev xav. Ua kom tiav: Xyuas kom tsis muaj qhov khoob ntawm cov ntaub ntawv los ntawm qhov yuav tsum tau sau thiab qhov twg tau sau tiag