![Yuav ua li cas redundancy tswj hauv dbms? Yuav ua li cas redundancy tswj hauv dbms?](https://i.tvmoviesgames.com/preview/questions/17938210-how-redundancy-is-controlled-in-dbms-j.webp)
2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Redundancy yog lub tswvyim ntawm kev rov ua dua ntawm cov ntaub ntawv piv txwv li txhua cov ntaub ntawv yuav muaj ntau tshaj li ib daim qauv. … Whereas DBMS tswj redundancy los ntawm tuav ib qho chaw cia ntawm cov ntaub ntawv uas tau txhais ib zaug thiab nkag los ntawm ntau tus neeg siv. Raws li tsis muaj los yog tsawg dua redundancy, cov ntaub ntawv tseem zoo ib yam.
Yuav ua li cas cov ntaub ntawv redundancy tswj hauv DBMS?
A DBMS tuaj yeem txo cov ntaub ntawv rov ua dua thiab tsis sib xws los ntawm kev txo qis cov ntaub ntawv cais uas tib cov ntaub ntawv rov ua dua. DBMS yuav tsis ua kom lub koom haum tshem tawm cov ntaub ntawv redundancy nkaus, tab sis nws tuaj yeem pab tswj kev rov ua dua. … DBMS uncouples cov kev pab cuam thiab cov ntaub ntawv, ua kom cov ntaub ntawv sawv ntawm lawv tus kheej.
Yuav ua li cas peb tiv thaiv cov ntaub ntawv redundancy hauv database?
Dub qhov nkag ntawm cov neeg siv khoom npe suav tias yog cov ntaub ntawv rov ua dua. Txawm hais tias cov ntaub ntawv redundancy tshwm sim hauv database lossis hauv cov ntaub ntawv khaws cia, nws tuaj yeem ua teeb meem. Hmoov zoo, cov ntaub ntawv rov ua dua tuaj yeem pab tiv thaiv cov ntaub ntawv rov ua dua los ntawm kev khaws cov ntaub ntawv tib yam hauv ntau qhov chaw.
Yuav ua li cas tswj redundancy?
Controlled Redundancy yog txheej txheem los siv cov teb tsis tu ncua hauv cov ntaub ntawv lub cev txhawm rau txhawm rau nyeem ntawvdatabase nkag.
Vim li cas thiaj li tswj tau rov ua dua?
Kev tswj tsis tau rov ua dua yog cov txheej txheem tsim nyog siv cov khoom siv rov ua dua hauv cov ntaub ntawv. Qhov no ua kom cov ntaub ntawv nkag mus sai thiab tseem txhim kho kev ua haujlwm ntawm cov lus nug. Feem ntau, DBMS ua kom muaj kev faib cov ntaub ntawv hauv cov ntaub ntawv.
Pom zoo:
Leej twg yog tus tswj hwm txoj cai tswj hwm nyiaj txiag?
![Leej twg yog tus tswj hwm txoj cai tswj hwm nyiaj txiag? Leej twg yog tus tswj hwm txoj cai tswj hwm nyiaj txiag?](https://i.tvmoviesgames.com/preview/questions/17851529-whos-in-charge-of-monetary-policy-j.webp)
Congress tau tso lub luag haujlwm rau txoj cai nyiaj txiag rau Tsoom Fwv Teb Chaws Reserve (Fed), lub teb chaws lub tuam txhab nyiaj hauv nruab nrab, tab sis tuav lub luag haujlwm saib xyuas kom ntseeg tau tias Fed ua raws li nws txoj cai. mandate ntawm "
Vim li cas kev tswj lub sijhawm yuav tsum tau qhia hauv tsev kawm?
![Vim li cas kev tswj lub sijhawm yuav tsum tau qhia hauv tsev kawm? Vim li cas kev tswj lub sijhawm yuav tsum tau qhia hauv tsev kawm?](https://i.tvmoviesgames.com/preview/questions/17853313-why-time-management-should-be-taught-in-schools-j.webp)
tswj lub sijhawm zoo tso cai rau cov tub ntxhais kawm ua tiav sijhawm tsawg dua, vim tias lawv tau tsom mus rau thiab lawv tsis nkim sijhawm rau kev cuam tshuam (xws li kev tshaj xov xwm, piv txwv li. … Kev tswj lub sij hawm zoo tso cai rau cov tub ntxhais kawm siv lawv lub peev xwm thiab txaus siab rau qhov ua tiav.
Vim li cas kev tswj hwm tsis yog kev tswj hwm tus kheej ntawm cov noob?
![Vim li cas kev tswj hwm tsis yog kev tswj hwm tus kheej ntawm cov noob? Vim li cas kev tswj hwm tsis yog kev tswj hwm tus kheej ntawm cov noob?](https://i.tvmoviesgames.com/preview/questions/17874557-why-dominance-is-not-an-autonomous-feature-of-a-gene-j.webp)
dominance is not autonomous vim muaj tuaj yeem tshwm sim zoo li polygenes lossis tsis tiav dominance / co dominance uas yuav cuam tshuam rau cov noob. Puas yog dominance autonomous feature ntawm noob? Dominance is not an autonomous feature ntawm ib noob.
Puas yog kev ntiav yuav raug tswj lossis tsis tswj hwm?
![Puas yog kev ntiav yuav raug tswj lossis tsis tswj hwm? Puas yog kev ntiav yuav raug tswj lossis tsis tswj hwm?](https://i.tvmoviesgames.com/preview/questions/17887591-is-hire-purchase-regulated-or-unregulated-j.webp)
Daim ntawv cog lus ntiav yuav yog tswj lossis tsis tswj raws li Consumer Credit Act. Cov ntawv cog lus tsis raug cai yuav siv rau Cov Tuam Txhab Txwv thiab Kev Koom Tes ntawm ntau dua 3 tus tswv cuab. Txawm li cas los xij, cov ntawv cog lus tswj hwm siv rau cov tib neeg, tib neeg ua lag luam thiab kev koom tes ntawm tsawg dua 3 tus tswv cuab.
Yuav ua li cas lub cib 400 puas yuav tawm hauv TV hauv indianapolis?
![Yuav ua li cas lub cib 400 puas yuav tawm hauv TV hauv indianapolis? Yuav ua li cas lub cib 400 puas yuav tawm hauv TV hauv indianapolis?](https://i.tvmoviesgames.com/preview/question-answer/17913593-will-the-brickyard-400-be-televised-in-indianapolis.webp)
Nws hloov lub Brickyard 400 uas nyob rau ntawm lub oval, thiab yuav yog 82 laps (15/20/47) rau 200 mais. Qhov kev tshwm sim yuav raug tso tawm hauv xov tooj cua NBC thiab tshaj tawm hauv IMS Xov Tooj Cua Network thiab SiriusXM NASCAR Radio. Brickyard 400 yog dab tsi?