Video: Dab tsi yog qhov chaw ntawm kev sau cov ntaub ntawv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Thawj cov ntaub ntawv suav nrog kev tshawb fawb, kev soj ntsuam, kev sim, daim ntawv nug, kev xam phaj tus kheej thiab lwm yam ntawm qhov tsis sib xws, theem nrab cov ntaub ntawv . qhov chaw sau yog tsoom fwv cov ntawv tshaj tawm, cov vev xaib, cov phau ntawv, cov ntawv xov xwm, sab hauv.
Tsis tas li lo lus nug yog, dab tsi yog qhov sib txawv ntawm kev sau cov ntaub ntawv?
Thawj cov ntaub ntawv suav nrog cov ntaub ntawv sau thiab ua tiav ncaj qha los ntawm tus kws tshawb fawb, xws li kev soj ntsuam, kev soj ntsuam, kev xam phaj, thiab pab pawg tsom. Secondary cov ntaub ntawv suav nrog cov ntaub ntawv uas tau muab los ntawm preexisting qhov chaw : Cov ntawv tshawb fawb, Internet lossis tsev qiv ntawv tshawb nrhiav, thiab lwm yam.
Qhov thib ob, cov ntaub ntawv tseem ceeb yog dab tsi? Muaj ntau ntau yam kev tshawb fawb sib txawv uas tuaj yeem siv los sau thawj cov ntaub ntawv , xws li kev xam phaj (piv txwv li, ntsej muag, xov tooj, e-mail, fax) lossis daim ntawv nug tus kheej. Thaum xaiv tsa, suav pej xeem, thiab lwm yam ncaj qha cov ntaub ntawv Kev sau yog ua tiav, tag nrho cov no yog thawj cov ntaub ntawv.
Ib yam li ntawd, nws yog nug, dab tsi yog qhov tseem ceeb ntawm kev sau cov ntaub ntawv?
Thawj Qhov Chaw A thawj qhov chaw muab cov pov thawj ncaj qha lossis ua pov thawj txog qhov xwm txheej, khoom siv, tus neeg, lossis kev ua haujlwm ntawm kos duab. Thawj qhov chaw suav nrog keeb kwm thiab kev cai lij choj cov ntaub ntawv , eyewitness accounts, cov txiaj ntsig ntawm kev sim, statistical cov ntaub ntawv , daim ntawv sau muaj tswv yim, suab thiab video kaw, hais lus, thiab cov khoom kos duab.
Peb qhov chaw ntawm cov ntaub ntawv yog dab tsi?
Feem ntau, muaj peb hom kev pab los yog qhov chaw ntawm cov ntaub ntawv: thawj, theem nrab, thiab tertiary. Nws yog ib qho tseem ceeb kom nkag siab txog cov hom no thiab paub tias hom twg tsim nyog rau koj txoj haujlwm ua ntej tshawb nrhiav cov ntaub ntawv.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm pab pawg cov ntaub ntawv thiab cov ntaub ntawv tsis yog pawg?
Ob leeg yog cov ntaub ntawv muaj txiaj ntsig ntawm cov ntaub ntawv tab sis qhov sib txawv ntawm lawv yog cov ntaub ntawv tsis muaj ntaub ntawv yog rawdata. Qhov no txhais tau hais tias nws nyuam qhuav tau sau tab sis tsis txheeb rau hauv ib pawg lossis cov chav kawm. Ntawm qhov tod tes, groupeddata yog cov ntaub ntawv uas tau teeb tsa ua pawg los ntawm cov ntaub ntawv nyoos
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
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