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Video: Qhov twg hauv qab no yog ib txoj haujlwm ntawm kev tswj hwm database?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Database cov thawj coj (DBAs) siv software tshwj xeeb los khaws thiab teeb tsa cov ntaub ntawv. Lub luag haujlwm yuav suav nrog kev npaj peev txheej, kev teeb tsa, kev teeb tsa, database tsim, tsiv teb tsaws, saib xyuas kev ua haujlwm, kev ruaj ntseg, kev daws teeb meem, nrog rau kev thaub qab thiab cov ntaub ntawv rov qab.
Dhau li ntawd, lub luag haujlwm ntawm DBA sau 10 ntsiab lus yog dab tsi?
DBA Lub luag haujlwm Saib xyuas ntawm Database tsim thiab siv. Siv thiab tswj kev ruaj ntseg database (tsim thiab tswj cov neeg siv thiab luag hauj lwm , muab cov cai). Database tuning thiab kev saib xyuas kev ua haujlwm. Kev ntsuas kev siv thiab kev saib xyuas kev ua haujlwm.
Kuj Paub, dab tsi yog lub luag haujlwm ntawm lub database? A database system yog ib qho kev sau ntawm cov ntaub ntawv sib cuam tshuam thiab cov txheej txheem uas tso cai rau cov neeg siv nkag mus thiab hloov kho cov ntaub ntawv no. Lub hom phiaj tseem ceeb ntawm a database system yog los muab cov neeg siv nrog kev pom tsis meej ntawm cov ntaub ntawv.
Hauv qhov no, tsib lub luag haujlwm tseem ceeb ntawm tus thawj tswj hwm database yog dab tsi?
Lub luag haujlwm tseem ceeb ntawm Database Administrator
- Software installation thiab tu. A DBA feem ntau sib koom tes ntawm kev teeb tsa thawj zaug thiab teeb tsa ntawm Oracle tshiab, SQL Server thiab lwm yam database.
- Cov ntaub ntawv rho tawm, hloov pauv, thiab thauj khoom.
- Kev tuav ntaub ntawv tshwj xeeb.
- Database thaub qab thiab rov qab.
- Kev ruaj ntseg.
- Kev lees paub.
- Kev Npaj Muaj Peev Xwm.
- Kev soj ntsuam kev ua haujlwm.
Ib qho ntawm cov hauv qab no yog ib qho piv txwv ntawm kev tswj hwm database?
DBMS . Ib txhia DBMS piv txwv suav nrog MySQL, PostgreSQL, Microsoft Access, SQL Server, FileMaker, Oracle, RDBMS, dBASE, Clipper, thiab FoxPro. Vim muaj ntau ntau database tswj systems muaj, nws yog ib qho tseem ceeb kom muaj ib txoj hauv kev rau lawv sib txuas lus.
Pom zoo:
Qhov twg hauv qab no yog ib qho piv txwv ntawm kev tswj hwm database?
DBMS. Qee qhov piv txwv DBMS suav nrog MySQL, PostgreSQL, Microsoft Access, SQL Server, FileMaker, Oracle, RDBMS, dBASE, Clipper, thiab FoxPro. Txij li thaum muaj ntau ntau cov kev tswj hwm database muaj, nws yog ib qho tseem ceeb kom muaj ib txoj hauv kev rau lawv sib txuas lus
Qhov twg hauv qab no yog suav tias yog kev tswj hwm kev ua haujlwm ntawm kev tswj hwm database DBMS)?
Databases uas nqa lawv cov ntaub ntawv nyob rau hauv daim ntawv ntawm cov ntxhuav thiab uas sawv cev rau kev sib raug zoo siv txawv teb chaws yuam sij yog hu ua discrete databases. Kev tswj hwm kev ua haujlwm ntawm kev tswj hwm qhov system (DBMS) suav nrog thaub qab cov ntaub ntawv database
Dab tsi yog qee qhov tsis zoo ntawm lub sijhawm stamping txoj hauv kev rau kev tswj hwm kev sib raug zoo?
Qhov tsis zoo ntawm lub sij hawm stamping mus kom ze yog tias txhua tus nqi khaws cia hauv cov ntaub ntawv yuav tsum muaj ob lub sij hawm thwj ntxiv: ib qho rau lub sijhawm kawg ntawm daim teb tau nyeem thiab ib qho rau qhov hloov tshiab kawg. Lub sij hawm stamping yog li ua rau kom nco xav tau thiab cov ntaub ntawv ua haujlwm nyiaj siv ua haujlwm
Kev tswj hwm kev tswj hwm hauv kev ruaj ntseg ntaub ntawv yog dab tsi?
Kev tswj hwm kev nyab xeeb (tseem hu ua cov txheej txheem tswj hwm) feem ntau yog cov txheej txheem thiab cov cai uas tau muab tso rau hauv qhov chaw los txheeb xyuas thiab qhia cov neeg ua haujlwm hauv kev cuam tshuam nrog cov koom haum cov ntaub ntawv rhiab
Qhov kev tswj hwm twg suav nrog kev tswj hwm lub cev thiab kev tswj hwm?
Piv txwv suav nrog kev tswj lub cev xws li laj kab, xauv, thiab lub tswb nrov; kev tswj xyuas xws li antivirus software, firewalls, thiab IPSs; thiab kev tswj hwm kev tswj hwm xws li kev sib cais ntawm lub luag haujlwm, kev faib cov ntaub ntawv, thiab kev tshuaj xyuas