Cov txheej txheem:

Lub luag haujlwm ntawm database designers yog dab tsi?
Lub luag haujlwm ntawm database designers yog dab tsi?

Video: Lub luag haujlwm ntawm database designers yog dab tsi?

Video: Lub luag haujlwm ntawm database designers yog dab tsi?
Video: lam lub ncauj tias ua ib siab tsom xyooj nkauj tawm tshiab 2023 2024, Kaum ib hlis
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Cov database designer yog lub luag haujlwm rau kev txhais cov ncauj lus kom ntxaws database tsim, suav nrog cov ntxhuav, indexes, views, constraints, triggers, khaws cia cov txheej txheem, thiab lwm yam database -Specific constructs xav tau los khaws, retrieve, thiab rho tawm cov khoom tsis tu ncua. Cov ntaub ntawv no yog khaws cia hauv Artifact: Data Model.

Yog li ntawd, dab tsi yog lub luag haujlwm ntawm DBA thiab database designers?

Ntxiv nrog rau kev lav phib xaub rau cov txheej txheem thaum muaj hluav taws xob poob lossis lwm yam kev puas tsuaj, a DBA kuj nquag koom nrog hauj lwm hais txog kev cob qhia cov neeg ua haujlwm hauv database tswj thiab siv, tsim , kev siv, thiab kev tuav pov hwm database system thiab tsim cov cai thiab cov txheej txheem ntsig txog

Tsis tas li ntawd, database developer lub luag haujlwm thiab lub luag haujlwm yog dab tsi? Database Developers yog lub luag hauj lwm rau datagathering ua ntej kev loj hlob ntawm a database . Lawv tsim, tsim, sim, siv thiab tswj cov tshiab thiab uas twb muaj lawm databases . Database developers tsim cov txheej txheem tswj thiab cov txheej txheem kom nkag mus tau zoo rau cov ntaub ntawv khaws cia hauv databases.

Kuj Paub, lub luag haujlwm ntawm tus thawj tswj hwm database yog dab tsi?

Database administrator . Database cov thawj coj (DBAs) siv software tshwj xeeb los khaws thiab teeb tsa cov ntaub ntawv. Cov luag hauj lwm tej zaum yuav muaj peev xwm npaj, installation, configuration, database tsim, tsiv teb tsaws, kev saib xyuas kev ua haujlwm, kev ruaj ntseg, kev daws teeb meem, nrog rau kev thaub qab thiab cov ntaub ntawv rov qab.

Dab tsi yog cov kauj ruam hauv kev tsim cov database?

Tus txheej txheem tsim muaj cov kauj ruam hauv qab no:

  1. Txiav txim siab lub hom phiaj ntawm koj lub database.
  2. Nrhiav thiab teeb tsa cov ntaub ntawv xav tau.
  3. Muab cov ntaub ntawv faib ua cov rooj.
  4. Tig cov ntaub ntawv rau hauv kab.
  5. Qhia cov yuam sij tseem ceeb.
  6. Teeb tsa cov rooj sib tham.
  7. Kho koj tus qauv tsim.
  8. Siv cov kev cai normalization.

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