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ORACLE DBA – Tips and Techniques

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        • SCHEMA REFRESH FROM 11G TO 12C PDB
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        • Store DB credentials in Oracle Wallet
        • Create database -DBCA silent mode
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        • DBT-06103 The port (1,522) is already used – DBCA
        • Create DB 19C – DBCA-GUI
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        • CREATE NON-CDB ON ORACLE 12C IN SILENT MODE
        • Configure OEM Express 12c
        • Create Non-CDB on Oracle 12c using DBCA (GUI)
        • How to Change MAX_STRING_SIZE on Physical Standby Environment
        • How to change SQL  prompt to show connected user and database name
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        • Configure OEM DBConsole manually
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        • ORA-00054
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        • Error TNS-12543
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  • P.Tuning
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    • Tuning Stage 2
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    • Tuning Stage 3
      • Troubleshooting Long Running Queries
      • SQL Tuning Advisor
      • SQLT
        • How to Install SQLT
        • How to Run SQLT
        • How to Create Custom SQL Profile
        • Uninstall SQLT
      • Tracing
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    • FF Analysis (Advanced Troubleshooting) – Internal Only
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        • Explain Plan Analysis
        • Top SQL Analysis
        • 10046 Trace Analysis
        • 10053 Trace Analysis
      • Forensic Analysis (RCA – Completed Issues)
  • HA
    • CONFIGURATION
      • Active Dataguard on Non-ASM
      • Active Dataguard on ASM
      • 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
      • Create Physical Standby using RMAN Backup with Duplicate Command
      • 12c DG Broker Configuration
    • SWITCHOVER
      • Switchover Manual No-Broker
      • Switchover with Broker
    • FAILOVER
      • Failover with Broker(No Flashback)
      • Failover with No Broker (No Flashback)
      • Failover with Broker using Flashback
      • 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
    • Configure UDEV Rules for Oracle ASM
    • ASM
      • Move ASM Spfile to diff. DiskGroup
      • ASM Commands
      • Instantiating disk: failed
      • CSSD won’t start automatically
    • RAC Install
      • RAC Install 11.2.0.3
      • Upgrade GI to 11.2.0.4
      • Downgrade GI to 11.2.0.3
      • root.sh failed with ORA-29783 on RAC
      • Delete Node
      • Add Node
      • Delete Node without remove software
      • Add Node Back which was DELETED without remove software
    • RAC Admin
      • How to take OCR backup on 11.2.0.4
      • Cluster Name
      • Move/Relocate OCR
      • Restore loss of all VOTE disk
      • Cluster Startup issues
      • Add SCAN
    • RAC Tools
      • CLUVFY
      • OSWatcher
    • RAC Standby 12.2
    • Create ACFS File System on RAC
  • GG
    • GoldenGate Installation
    • Unidirectional DML Replication
    • Zero Downtime Migration
    • DDL Replication
    • GoldenGate 12C Installation
    • Integrated Capture
    • Oracle GoldenGate Heterogeneous Replication
    • Credential Store
    • ADD NEW TABLE TO AN EXISTING GOLDENGATE CONFIGURATION
    • Install Oracle GoldenGate 19C for Database 12C
    • Install Oracle GoldenGate 19C for Database 19C
  • 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
  • SQL Server
    • SQL Server Basics
    • Install Microsoft SQL Server Express 2014
    • Install Only SQL Server Management Studio
    • Create Database using GUI
    • Enable TCP/IP Connection
    • Allow Remote Connection
    • Authentication Method
    • Create a new domain user account in Windows
    • Create Windows Authentication Login
    • Create SQL Server Authenticated Login in SQL Server
    • Create Windows Group Authentication Login in SQL Server
    • SQL Server – Recovery Models
    • Database Backup-FULL-DIFFERENTIAL-TLOG
    • Restore Database without Tail-log Backup
    • Restore Database with Tail-log Backup
    • Log Shipping (SQL Server 2022)
    • Windows Server 2022 Failover Cluster
    • Setup 4 Node Always On Availability Group
    • Who is NT AUTHORITY\SYSTEM?
    • Add Database to Existing AG using Backup and Restore
    • Manual Failover (Planned)
    • Automatic Failover (Unplanned)
  • MySQL
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    • Create Roles in MySQL
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    • How to Restore Database from Single MySQL Database Backup
    • How to Restore A Single Database From A Backup File Which Contains Multiple Databases
    • How To Restore Single Table From Full Database Backup in MySQL
    • How To Configure MySQL Master-Slave Replication?
  • PostgreSQLNew
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      • pg_hba conf
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      • PostgreSQL Architecture
      • initdb – PostgreSQL Cluster Initialization
      • PostgreSQL DBA Terminology
      • PostgreSQL vs Oracle Terminology
      • PostgreSQL Tablespace Internals
      • Change Data Directory
      • WAL Files
      • Change pg_wal path
      • PostgreSQL Tablespace
    • Backup & Recovery
      • Enable Archive Mode
      • Disable ARCHIVELOG
      • Logical – pg_dump and pg_restore (Backup & Restore)
      • Logical – pg_dumpall (Backup & Restore)
      • Physical – pg_basebackup (Backup and Restore)
      • Backup & Restore to Another Host (No Archive Mode)
      • Backup & Restore on Same Host
      • Restore PostgreSQL to New Host using pg_basebackup + WAL Archives
      • PostgreSQL PITR – Point in Time Recovery
    • High Availability
      • Streaming Replication
      • Manual Failover – Streaming Replication
      • Synchronous Replication
    • PostgreSQL DBA Interview QuestionsNew
      • Beginner Level
      • Intermediate Level
      • Advanced Level
    • 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
    • How to Install Jenkins on Linux
    • Install Docker on Linux
    • Docker Cheat Sheet

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Published on December 27, 2025 in Log Shipping (SQL Server 2022)Full resolution (686 × 626)
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About me - Rajasekhar Amudala