Video: Dab tsi yog cov ntaub ntawv kab lus?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov ntawv xov xwm yog luv luv, peer-reviewed tshaj tawm txog kev tshawb fawb cov ntaub ntawv . Ua tsaug rau cov ncauj lus kom ntxaws dataset piav qhia, lub cov ntaub ntawv luam tawm nyob rau hauv cov ntaub ntawv kab lus tuaj yeem rov siv dua, rov ua dua tshiab thiab rov tsim dua los ntawm lwm tus. Cov ntawv xov xwm ntawm ib nrais muag: Cov ntawv xov xwm yog peer-reviewed, curated thiab formatted.
Ib yam li ib tug yuav nug, Dab tsi yog Cov Ntaub Ntawv luv luv?
Cov ntaub ntawv hauv Luv muab txoj hauv kev rau cov kws tshawb fawb kom yooj yim sib qhia thiab rov siv ib leeg cov ntaub ntawv los ntawm kev tshaj tawm cov ntaub ntawv cov ntawv uas: piav qhia meej txog koj cov ntaub ntawv , ua kom muaj kev rov tsim dua tshiab. Ua kom cov tsheb khiav mus rau cov ntawv tshawb fawb cuam tshuam thiab cov ntaub ntawv , ua rau muaj kev hais lus ntau ntxiv.
Kuj Paub, dab tsi yog qhov muaj cov ntaub ntawv hauv kev tshawb fawb? Kev taw qhia rau cov kws sau ntawv thiab cov kws kho Cov ntaub ntawv muaj cov lus hais qhia txog qhov twg cov ntaub ntawv txhawb nqa cov txiaj ntsig tau tshaj tawm hauv tsab xov xwm luam tawm tuaj yeem pom - suav nrog, qhov twg siv tau, hyperlinks rau cov ntaub ntawv khaws tseg rau pej xeem txheeb xyuas lossis tsim tawm thaum lub sijhawm kawm.
Yog li, cov ntaub ntawv nyob rau hauv luv luv cov phooj ywg tshuaj xyuas?
Cov ntawv no xyuas kom meej tias koj cov ntaub ntawv , uas feem ntau faus rau hauv cov khoom siv ntxiv, yog nquag phooj ywg - tshuaj xyuas , curated, formatted, indexed, muab ib tug DOI thiab tshaj tawm rau txhua tus thaum tshaj tawm. Cov ntaub ntawv hauv Luv yuav tsis lees txais ib qho kev xa tawm uas muaj cov ntaub ntawv nrog cov hloov pauv tsis txaus lossis cov qauv.
Koj sau cov ntaub ntawv muaj nyob li cas?
Cov cov ntaub ntawv muaj cov lus hais yuav tsum muab cov ntaub ntawv qhia txog qhov twg thiab nyob rau hauv cov xwm txheej twg cov ntaub ntawv ncaj qha txhawb kev tshaj tawm tuaj yeem nkag mus. Cov cov ntaub ntawv muaj nyob yuav tsum tau muab tso rau hauv qhov kawg ntawm 'Cov Khoom thiab Cov Txheej Txheem' ntu.
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
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
Cov ntaub ntawv twg sau thawj tsab ntawv ntawm thawj lo lus hauv txhua kab lus?
Lub Capitalize thawj tsab ntawv ntawm kab lus lub thawv yog xaiv los ntawm lub neej ntawd. Thaum nws raug xaiv, Visiocapitalizes thawj tsab ntawv ntawm ib lo lus uas ua raws li lub sijhawm, lub tsheb thauj mus los, ib qho semicolon, lossis thawj tsab ntawv ntawm ib lo lus hauv ib daim ntawv lossis cov kab lus
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