Video: Dab tsi yog snapshot standby database hauv Oracle 11g?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Snapshot standby yog ib qho feature hauv Oracle 11 g uas tso cai rau ua ib qho kev nyeem-sau ua haujlwm ntawm lub standby database . Thaum qhov kev ntsuam xyuas dhau lawm peb tuaj yeem hloov dua siab tshiab snapshot database mus rau lub cev standby . Thaum nws hloov dua siab tshiab lub cev standby database , xijpeem kev hloov pauv tau ua rau lub snapshot standby yuav rov qab los.
Ib yam li ntawd, snapshot standby Oracle yog dab tsi?
A snapshot standby database yog ib qho kev hloov kho tshiab standby database tsim los ntawm kev hloov lub cev standby database rau hauv a snapshot standby database. A snapshot standby database txais thiab archives, tab sis tsis siv, redo cov ntaub ntawv los ntawm ib tug thawj database.
Tsis tas li ntawd, koj yuav ua li cas thiaj tsim tau ib lub cev standby database hauv Oracle 11gr2 siv RMAN? Tsim Standby Database siv RMAN
- Kauj Ruam 1: Tsim cov qauv ntawv.
- Kauj ruam 2: Luam peb pfile.
- Kauj ruam 3: Thaub qab controlfile rau Standby.
- Kauj ruam 4: Hloov pauv rau pfile.
- Kauj ruam 5: Ua ib tug Password ntaub ntawv.
- Kauj ruam 6: Pib lub koom haum pab / standby database.
- Kauj ruam 7: Configure Network.
- Kauj ruam 8: Duplicate database.
Lub cev standby database yog dab tsi?
A lub cev standby database yog qhov tseeb, block-for-block luam ntawm thawj database . A lub cev standby yog khaws cia raws li daim ntawv qhia tseeb los ntawm tus txheej txheem hu ua Redo Apply, uas rov ua dua cov ntaub ntawv tau txais los ntawm qhov tseem ceeb database yog tsis tu ncua siv rau a lub cev standby database siv cov database rov qab mechanisms.
Dab tsi yog Active Data Guard hauv Oracle 11g?
Oracle Active Data Guard , ib qho kev xaiv ntawm Oracle Database 11g ua Enterprise Edition yog ib qho yooj yim, kev ua haujlwm siab daws teeb meem uas tiv thaiv koj Oracle Database tiv thaiv kev npaj thiab tsis tau npaj tseg downtimes, los ntawm kev tso cai rau koj kom tshem tawm cov peev txheej ua haujlwm los ntawm koj cov ntaub ntawv tsim khoom mus rau ib lossis ntau dua synchronized standby databases.
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