Cov txheej txheem:
Video: Lub teeb yuag database yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
" Lub teeb " txhais tau hais tias tus qauv tsim ua yuam kev ntawm kev ua haujlwm tsawg dua. Nws tuaj yeem ua rau mob tsawg dua hauv lub nroog Yeiuxalees hauv ntau txoj hauv kev suav nrog. Ob peb lossis tsis muaj kev vam khom rau lwm lub tsev qiv ntawv. Yooj yim rau nruab, teeb tsa, thiab / lossis tsim. nco hneev taw.
Ntawm no, lub teeb hnyav txhais li cas hauv software?
Hauv kev suav, lightweight software kuj hu lub teeb program thiab lub teeb daim ntawv thov, yog lub khoos phis tawj program uas tsim los kom muaj lub cim xeeb me me (kev siv RAM) thiab kev siv CPU tsawg, tag nrho cov kev siv tsawg ntawm cov peev txheej.
Ib sab saum toj no, dab tsi yog qhov yooj yim database? Yooj yim cov ntaub ntawv (hu ua cov ntaub ntawv tiaj tus): Qhov no yog qhov feem ntau yooj yim daim ntawv ntawm Database qhov system. Tag nrho cov ntaub ntawv khaws cia rau hauv ib cov ntaub ntawv hauv cov ntawv dawb.
Khaws qhov no hauv kev xav, SQL Light database yog dab tsi?
SQLite yog ib lub tsev qiv ntawv software uas muab kev sib raug zoo database tswj qhov system. SQLite muaj cov yam ntxwv nram qab no: tus kheej muaj, serverless, xoom-configuration, kev hloov pauv.
Dab tsi yog qhov zoo tshaj plaws database rau Python?
Qee qhov qhib databases siv nrog Python:
- PostgreSQL Nws yog Object Relational Database Management System. Nws muaj kev txhawb nqa zoo hauv zej zog thiab zoo li Python yog cross-platform.
- MongoDB Nws yog NoSQL database tswj system.
- Sqlite Nws khaws cov ntaub ntawv hauv cov ntaub ntawv.
- MySQL yog qhib qhov chaw RDBMS.
Pom zoo:
Lub teeb yuag checkout Jenkins pipeline yog dab tsi?
Lub Jenkins Pipeline plugin muaj qhov tshwj xeeb hu ua 'lub teeb checkout', qhov twg tus tswv tsuas rub lub Jenkinsfile los ntawm repo, tsis zoo li tag nrho cov repo. Muaj ib tug sib thooj checkbox nyob rau hauv lub configuration screen
Dab tsi yog lub teeb lub thawv rau kev taug qab?
Lub thawv lub teeb yog ib qho cuab yeej zoo kawg nkaus rau txhua tus kws kos duab, tus tsim qauv, thiab cov kws tshaj lij uas muaj tswv yim saib kom ua tau zoo tshaj plaws ntawm lawv cov duab kos. Lub thawv teeb yog cov ntsiav tshuaj zoo li cov khoom siv nrog thaj tsam LED-backlit. Txhawm rau taug qab, koj yuav tsum tso cov duab siv rau ntawm lub thawv teeb, tom qab ntawd muab ib daim ntawv dawb paug rau saum
Lub teeb liab rau lub suab nrov yog dab tsi thiab vim li cas nws tseem ceeb?
Lub teeb liab rau lub suab nrov piv yog qhov tseem ceeb vim hais tias hauv kev sib txuas lus peb lub ntsiab tseem ceeb yog lub teeb liab tab sis thaum lub sij hawm kis tau tus mob tau cuam tshuam los ntawm qee lub suab nrov. Thaum kawg tau txais peb xav kom muaj tib lub teeb liab sib kis, kom ua tiav qhov no lub suab nrov yuav tsum tau txo qis thiab ntawm no SNR ua lub luag haujlwm tseem ceeb
Dab tsi yog qhov sib txawv ntawm lub thawv thiab lub thawv ntawv thiab lub thawv ntawv yog dab tsi?
Ib lub thawv thiab cov ntawv nplawm (qee zaum hu ua boxplot) yog ib daim duab uas nthuav tawm cov ntaub ntawv los ntawm tsib lub ntsiab lus. Nyob rau hauv ib lub thawv thiab whisker zajlus: qhov kawg ntawm lub thawv yog lub sab sauv thiab sab quartiles, yog li lub thawv spans lub interquartile ntau yam. qhov nruab nrab yog cim los ntawm ib txoj kab ntsug hauv lub thawv
Dab tsi yog lub voj ntawm lub teeb hloov?
Lub voj voog hloov tshwm sim thaum ob qho tib si hloov ntawm qhov kawg ntawm lub voj voog lossis ib qho khoom siv cable thiab qhov nruab nrab ua kub ua rau thiab txuas mus rau lub davhlau ya nyob twg