Video: Kev sau cov ntaub ntawv ua ntej yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov ntaub ntawv ua ntej yog cov cov ntaub ntawv tsim los ntawm cov kev tshawb fawb me me los ntsuas qhov ua tau, ua ntej kev tshawb fawb tag nrho. Qee zaum, cov ntaub ntawv ua ntej kuj tuaj yeem ua ke nrog cov ntaub ntawv los ntawm kev tshawb fawb tag nrho los tsim kom muaj qhov loj dua cov ntaub ntawv teeb.
Ib yam li ntawd, cov ntaub ntawv qhia ua ntej yog dab tsi?
Cov ntaub ntawv ua ntej txhais tau tias cov ntaub ntawv thiab cov txiaj ntsig tau tsim los ntawm kev tshawb fawb ua ntej, kev tsim kho, thiab kev ua qauv qhia thiab / lossis kev sib tham tsis muaj teeb meem thiab kev tshuaj xyuas cov ntaub ntawv. “Pib cov ntaub ntawv ” txhais tau tias cov ntaub ntawv pom lossis sau ncaj qha los ntawm kev tshawb fawb, kev tsim kho, thiab kev ua yeeb yam.
Kuj Paub, cov txheej txheem sau cov ntaub ntawv yog dab tsi? Raws li kev tshawb fawb feem ntau cuam tshuam nrog sau ntawm cov ntaub ntawv , muaj ob peb txoj kev rau ncaj, los yog thawj, sau cov ntaub ntawv , suav nrog cov kev tshawb fawb, cov lus nug, kev soj ntsuam ncaj qha, thiab cov pab pawg tsom.
Ib yam li ntawd, cov ntaub ntawv ua ntej yog dab tsi hauv kev tshawb fawb tawm tswv yim?
Nws yog qhov twg kev tshawb fawb ua ntej tshwm thiab ua raws li lub zog ua si rau koj qhov nyiaj pab tswv yim . Cov ntaub ntawv rau kev tshawb fawb ua ntej yog sau los ntawm me me kev tshawb fawb los soj ntsuam cov kev cai ntawm koj kev tshawb fawb . Nws muab koj cov neeg tshuaj xyuas me me rau hauv koj kev tshawb fawb cov txheej txheem, cov cuab yeej, thiab kev tshawb nrhiav pom.
Cov ntaub ntawv thib ob hauv kev tshawb fawb yog dab tsi?
Cov ntaub ntawv thib ob hais txog cov ntaub ntawv uas yog sau los ntawm lwm tus neeg uas tsis yog tus neeg siv. Cov peev txheej ntawm cov ntaub ntawv thib ob rau social sciences suav nrog kev suav pej xeem, cov ntaub ntawv sau los ntawm tsoomfwv cov chaw haujlwm, cov ntaub ntawv khaws tseg thiab cov ntaub ntawv uas yog Ameslikas sau rau lwm yam kev tshawb fawb lub hom phiaj.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm cov ntaub ntawv sib sau ua ke thiab cov ntaub ntawv tsis sib xws?
Kev sib sau cov ntaub ntawv yog sau thiab sau cov ntaub ntawv; kom disaggregate cov ntaub ntawv yog rhuav tshem cov ntaub ntawv sib sau ua ke rau hauv cov khoom siv lossis cov ntaub ntawv me me
Dab tsi yog lub hom phiaj ntawm delimiters nyob rau hauv cov ntawv sau npe ob hom ntawv cov ntaub ntawv delimiters?
Cov ntaub ntawv delimited yog cov ntawv nyeem siv los khaws cov ntaub ntawv, uas txhua kab sawv cev rau ib phau ntawv, tuam txhab, lossis lwm yam, thiab txhua kab muaj cov teb sib cais los ntawm tus lej
Thaum cov lus tau hla tawm cov ntaub ntawv kuaj xyuas feem ntau nthuav tawm cov ntawv sau thawj nrog kev pab ntawm dab tsi?
Infrared luminescence yog siv rau: Qhia tawm cov ntawv sau uas tau muab tshem tawm THIAB kuaj pom yog tias ob tus lej sib txawv tau siv rau hauv kev sau ntawv. Cov kws tshuaj xyuas cov ntaub ntawv feem ntau nthuav tawm cov ntawv sau thawj ntawm cov lus uas tau hla nrog kev pab ntawm: Infrared tawg
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
Dab tsi yog cov teeb meem ntawm kev tswj cov ntaub ntawv hauv cov ntaub ntawv ib txwm muaj?
Nyob rau tib lub sijhawm, qhov kev tswj hwm cov ntaub ntawv ib puag ncig tsim teeb meem xws li cov ntaub ntawv rov ua dua thiab tsis sib xws, cov kev pab cuam-cov ntaub ntawv dependence, inflexibility, tsis muaj kev ruaj ntseg, thiab tsis muaj cov ntaub ntawv sib qhia thiab muaj