Puas muaj peev xwm ntawm kev siv cov txheej txheem database?

Cov txheej txheem:

Puas muaj peev xwm ntawm kev siv cov txheej txheem database?
Puas muaj peev xwm ntawm kev siv cov txheej txheem database?

Video: Puas muaj peev xwm ntawm kev siv cov txheej txheem database?

Video: Puas muaj peev xwm ntawm kev siv cov txheej txheem database?
Video: UA KAWG PEEV XWM -May maylee [official] New Song/MV/VDO 2024, Kaum ib hlis
Anonim

cov nqi peev xwm ntawm kev siv cov txheej txheem database tuaj yeem suav nrog: cov khoom siv kho vajtse thiab software, cov neeg ua haujlwm tau txais kev cob qhia . kev cob qhia, ntawv tso cai thiab kev tswj hwm tus nqi. … muab kho dua ntawm hardware thiab software; kev cob qhia ntxiv.

Tus nqi npaum li cas los siv cov txheej txheem database?

Kev lag luam me tuaj yeem cia siab tias yuav siv qhov twg los ntawm $ 2, 000 txog $ 10, 000rau kev tsim cov ntaub ntawv, thaum cov tuam txhab loj tuaj yeem siv qhov twg los ntawm $ 10, 000 txog ib nrab lab daus las. Txawm hais tias tsim database yog kim, nws kuj yog kev nqis peev rau yav tom ntej ntawm koj lub tuam txhab.

Dab tsi yog qhov txaus ntshai thiab nqi ntawm database?

Tus nqi ntau thiab pheej hmoo cuam tshuam nrog kev siv cov txheej txheem database yog: Tus nqi siab: Txhim kho cov txheej txheem database tshiab yuav xav tau kev nqis peev hauv kho vajtse thiab software. DBMS xav tau ntau lub cim xeeb thiab disk cia. Ntxiv mus, DBMS yog kim heev.

Puas database systems kim?

Tus Nqi: Yog tias tsis pub dawb, cov kev daws teeb meem tuaj yeem yog tsawg li $ 12 / tus neeg siv / hli rau pob ntawv yooj yim thiab sab saum toj tawm mus rau $ 999 / hli ntawm qib kev lag luam. Cov qib siab kuj tseem yuav xav tau tus nqi nqe lus lossis kev txhawb nqa cov neeg siv khoom xav paub ntxiv.

Dab tsi yog qhov tsis zoo ntawm qhov system database?

Disadvantages

  • Database systems yog qhov nyuaj, nyuaj, thiab siv sijhawm los tsim.
  • Tus nqi kho vajtse thiab software pib ntau heev.
  • Kev puas tsuaj rau cov ntaub ntawv cuam tshuam rau txhua qhov kev siv cov kev pab cuam.
  • Tus nqi hloov pauv ntau dhau hauv kev hloov cov ntaub ntawv raws li qhov system mus rau qhov system database.

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