Video: Cov ntaub ntawv phau ntawv yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
A phau ntawv ua ntaub ntawv system yog "cov txheej txheem txheej txheem ntawm tus kheej cov ntaub ntawv uas siv tau raws li qee yam kev cai."
Ntawm no, dab tsi yog ib qho kev sau ntawv phau ntawv?
Phau ntawv khaws cia tshuab koom nrog khaws cov ntaub ntawv los ntawm tes hauv a ua ntaub ntawv txee. Nws yog vim li no tsim nyog rau cov koom haum uas muaj cov ntaub ntawv loj thiab feem ntau siv hauv Centralized Cov ntaub ntawv System . Cov ntaub ntawv khaws cia ib sab zoo li cov phau ntawv ntawm lub txee. ROTARY THOV . Hom no ua ntaub ntawv yog siv rau folders uas tuav cov ntaub ntawv
Tom qab ntawd, lo lus nug yog, qhov txawv ntawm phau ntawv thiab electronic database yog dab tsi? Lub ntsiab txawv yog tias nws tsis yog computerized, yog li tag nrho cov ntaub ntawv thiab database nws tus kheej yogtangible. Xyaum phau ntawv databases yog cov thawv ntawv fullor ntawv cov ntaub ntawv thiab folders. Phau ntawv databases tseem siv tau hauv qee lub tsev qiv ntawv me thiab tseem nyob rau hauv qhov chaw uas cov neeg siv khoom xav tau rau cov tsev kho mob piv txwv.
Tsis tas li ntawd, phau ntawv sau yog dab tsi?
A phau ntawv qhov system yog bookkeeping system qhov twg cov ntaub ntawv yog tswj los ntawm tes, tsis siv lub computer system. Hloov chaw, kev hloov pauv tau sau rau hauv phau ntawv xov xwm, los ntawm cov ntaub ntawv yog manually dov mus rau hauv ib daim ntawv teev nyiaj txiag.
Cov ntaub ntawv ib txwm yog dab tsi?
Cov tsoos ntaub ntawv system (TFS) yog ib txoj hauv kev khaws cia thiab teeb tsa lub computer cov ntaub ntawv thiab cov ntaub ntawv hauv ntaub ntawv (cov ntaub ntawv). Yeej nws npaj cov no cov ntaub ntawv nyob rau hauv ib tug database rau kev cia, koom haum, manipulation, thiab retrieval los ntawm lub computer lub operating system.
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 cov txiaj ntsig ntawm phau ntawv txhais lus cov ntaub ntawv?
Ib phau ntawv txhais lus tau tsim muaj tuaj yeem muab cov koom haum thiab kev lag luam ntau cov txiaj ntsig, suav nrog: Txhim kho cov ntaub ntawv zoo. Txhim kho kev ntseeg siab ntawm cov ntaub ntawv ncaj ncees. Txhim kho cov ntaub ntawv thiab kev tswj xyuas. Txo cov ntaub ntawv redundancy. Rov qab siv cov ntaub ntawv. Kev sib raug zoo ntawm kev siv cov ntaub ntawv. Kev txheeb xyuas cov ntaub ntawv yooj yim dua. Txhim kho kev txiav txim siab raws li cov ntaub ntawv zoo dua
Dab tsi yog cov txiaj ntsig tseem ceeb ntawm kev siv phau ntawv txhais lus cov ntaub ntawv?
Ib phau ntawv txhais lus tsim tau tuaj yeem muab cov koom haum thiab cov lag luam muaj txiaj ntsig ntau, suav nrog: Txhim kho cov ntaub ntawv zoo. Txhim kho kev ntseeg siab ntawm cov ntaub ntawv ncaj ncees. Txhim kho cov ntaub ntawv thiab kev tswj xyuas. Txo cov ntaub ntawv redundancy. Rov qab siv cov ntaub ntawv. Kev sib raug zoo ntawm kev siv cov ntaub ntawv. Kev txheeb xyuas cov ntaub ntawv yooj yim dua. Txhim kho kev txiav txim siab raws li cov ntaub ntawv zoo dua
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