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ORACLE DBA – Tips and Techniques

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  • HA
    • CONFIGURATION
      • Active Dataguard on Non-ASM
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      • Convert Physical Standby Database to Snapshot Standby Database
      • Convert Snapshot Standby database to Physical Standby database
      • Configure Cascading Standby Database
      • DG Broker Configuration
      • DG Broker Error – ORA-16714
      • Disable DG Broker
      • 12.2 Active Dataguard in CDB on Non-ASM
      • Create Physical Standby using RMAN Backup Without Duplicate Command
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      • 12c DG Broker Configuration
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      • Failover with No Broker using Flashback
    • Enable Real-Time Apply
    • Refresh Standby Database using RMAN Incremental SCN Backup
    • Resetlogs on Primary where Standby in place
    • Drop SRL
  • RAC
    • Create users, groups and Paths for Oracle RAC
    • Configure ASMLib for Oracle ASM
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      • Move ASM Spfile to diff. DiskGroup
      • ASM Commands
      • Instantiating disk: failed
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    • RAC Install
      • RAC Install 11.2.0.3
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      • Downgrade GI to 11.2.0.3
      • root.sh failed with ORA-29783 on RAC
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    • Create ACFS File System on RAC
  • GG
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    • Install Oracle GoldenGate 19C for Database 12C
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  • OEM
    • Install OEM 13.2
    • Install OEM 13.3
    • Add Targets Manually on EM Cloud Control 13c
    • Upgrade OMSPatcher
    • Apply Patch on OMS 13.1
    • Apply Patch on Agent 13.1
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      • Enable Archive Mode
      • Disable ARCHIVELOG
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    • High Availability
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    • PostgreSQL DBA Interview QuestionsNew
      • Beginner Level
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    • PostgreSQL DBA ScriptsNew
    • Replication Manager (repmgr)
      • PostgreSQL HA Setup with REPMGR + Automatic Failover
    • Patroni HA
      • etcd Cluster Setup
      • Patroni and Postgres
      • Haproxy (Load Balancer)
      • Keepalived VIP
    • Oracle to PostgreSQL via ora2pg
    • EDB Postgres
  • DB2
    • Install DB2 V10.5 using GUI
    • DB2 STOP and START
    • DB2 Troubleshooting Guide
  • DevOps
    • Install and Configure Git on Linux 9
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AWS_VPNl_000088

Published on March 18, 2026 in Restore Database with Tail-log BackupFull resolution (491 × 168)
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About me - Rajasekhar Amudala