Yuav ua li cas yog ib tug database thiab qhov chaw uas nws yuav siv tau

To taub li cas ib tug database, nws tsis yog yooj yim. Peb yog lossi confronted nrog nws hom, tsis txawm paub txog nws. Piv txwv li, nyob rau hauv tej kev lag luam, nyob rau hauv tej lub tsev kawm ntawv, qhov chaw uas cov neeg ua hauj lwm, cov khoom siv yog siv, muaj ib tug database uas ntaub ntawv sau tseg rau tag nrho cov sij hawm rau lwm, piv txwv li, muaj pes tsawg leeg ua hauj lwm, cov neeg ua, kho vajtse uas yog siv (cov lus nug). tsev qiv ntawv fund card ntaub ntawv tseem yog ib tug zoo piv txwv ntawm cov database.

txhais

Yog li ntawd, dab tsi yog qhov puag cov ntaub ntawv? Nws sib sau ua ke thiab koom nyob rau hauv ib tug tshwj xeeb txoj kev cov ntaub ntawv nyob rau hauv ib tug tej yam npe nyob rau hauv ib yam kev kawm. Thiab yog hais tias ib tug ob peb xyoo dhau los, cov ntaub ntawv tsim nyog yuav kaw thiab muab cia rau hauv daim ntawv, tam sim no tag nrho cov ntaub ntawv ntawm kev txaus siab yog nkag mus rau hauv ib lub computer thiab muab cia rau hauv ib lub computer version.

kev faib

Nyob rau hauv cov ntsiab lus ntawm ib tug database ntawm cov ntaub ntawv uas muab faib ua tseeb thiab documentary. Xov xwm tseeb muaj nyuag ntaub ntawv hais txog cov tau piav kwv. Cov ntaub ntawv no yog muab nyob rau hauv ib tug yam thiab hom. Piv txwv li, yog hais tias peb yuav tau tham txog lub tsev qiv ntawv database, ces nyob rau hauv nws hais txog hauv txhua phau ntawv muaj bibliographic ntaub ntawv xws li hauv lub xyoo thiab qhov chaw ntawm cov ntawv qhia, sau, title, thiab lwm yam Cov ntsiab lus ntawm cov chaw ua hauj lwm, cov ntawv nyeem phau ntawv, xws li ib tug database yuav tsis muaj. Human Resources nyob rau hauv nws cov database yuav khaws cov ntaub ntawv txog neeg ua hauj lwm - tas nrho cov npe, hnub yug thiab chaw yug, qib kawm cov tsev kawm ntawv, ib tug profession, qhov chaw ua hauj lwm, thiab lwm yam

Documentary database yuav muaj ib tug lossis loj npaum li ntawm cov ntaub ntawv raznotipovoy: phau ntawv no, graphics, multimedia ntaub ntawv. Yog li, lub discography ntawm ib tug entertainer - ib tug qauv ntawm cov documentary database. Los ntawm nws koj muaj peev xwm nrhiav tau tawm txog lub albums tso singer, sau phau ntawv ntawm zaj nkauj, mloog cov nkauj, saib video clips noj nrog lawv.

Tsaug rau niaj hnub siv tshuab rau ib thaj tsam ntawm tseeb thiab documentary databases yog tsis ntse. Tam sim no koj tau yooj yim cuag ntaub ntawv los ntawm ib tug database hom mus rau lwm lub.

Cov ntaub ntawv cia - tias yog dab tsi lub database, thiab nkag tau mus rau ib tug lossis loj tus naj npawb ntawm lawv ua tsaug rau lub Internet tau los ua ib tug heev, heev yooj yim ua hauj lwm.

Raws li lub hom ua thiab tus me nyuam ntawm database cov ntaub ntawv muab faib ua paub thiab network.

Yuav ua li cas yog ib tug paub database uas yuav txheeb tawm, yog hais tias qhov teeb meem ntaub ntawv nyob rau hauv daim ntawv ntawm lub rooj. Lub rooj txuas. Yog li, cov lus nug ntawm cov khoom ua si nyob rau hauv khw Tshuag yuav tuaj raws li ib lub rooj, qhov chaw uas lub hom khoom ua si (bears, dev, ntxhw, thiab lwm yam) yuav tsum tau teev nyob rau hauv lub kab, tus xov tooj ntawm txhua tus tsiaj (bears - 20 dev - 35, thiab lwm yam) , tus nqi ntaus ib tug neeg pej xeem nrog tag nrho tus nqi ntawm tag nrho cov khoom muag.

Ib tug paub database yog heev yooj yim mus siv thiab paub rau ib ntev lub sij hawm. Lub tsev kawm ntawv chaw muag mis nyuj los ntawm lub tsev kawm ntawv lub sij hawm recordings homework, kev ntsuam xyuas thiab kev soj ntsuam - yog ib tug tabular database. Sij hawm ntawm tsheb ciav hlaus los tsheb npav ntawm qhov chaw nres tsheb - kuj yog ib tug paub database.

Ib tug paub database muaj kab thiab txhua. Rooj kab tseem hu ua ib tug ntaub ntawv, thiab sab - teb. Cov ntaub ntawv muaj cov lus qhia hais txog ib tug system khoom qauv, uas yog ib lub rooj.

Ntau txoj database qauv yog lub network database. Nyob rau hauv qhov tseeb, nyob hauv internet database - qhov no yog qhov Internet nws tus kheej, lub ntiaj teb dav Web, lub ntiaj teb no Network. Tsaug rau hyperlinks, tsheej lab ntawm cov ntaub ntawv uas txuas. Yog li ntawd lawv tsim ib tug ib tis network database. Thiab yuav luag txhua Internet neeg siv yuav txuas mus rau nws thiab tau txais cov ntaub ntawv.

Nyob rau hauv tas li ntawd, yog tias ob peb computers yog kev cob cog rua rau ib tug tib tswv thiab muaj peev xwm, ua tsaug rau nws, nyob rau tib lub sij hawm ua hauj lwm rau lub network, lawv tsim ib lub zos cheeb tsam network los yog ib lub zos database.

Hais tias yog dab tsi ib tug database yog thiab yuav ua li cas nws ua hauj lwm.