Oracle Data Guard is a critical component of Oracle’s High Availability (HA) and Disaster Recovery (DR) solutions. It ensures data integrity, failover capability, and minimal downtime across production environments by maintaining standby databases that automatically sync with the primary database. This course is designed for Oracle DBAs, system admins, and database architects who want to gain deep expertise in setting up, managing, and troubleshooting Data Guard configurations in real-time enterprise scenarios.
What is Data Guard?
Benefits and Features
Physical vs Logical Standby
Data Guard vs RAC vs GoldenGate
Architecture of Data Guard
Role of Redo Logs, Archive Logs, and Transport Services
Components: Log Transport Services, Log Apply Services
Protection Modes: Maximum Protection, Maximum Availability, Maximum Performance
Role Transitions: Switchover, Failover
Fast-Start Failover (FSFO)
Redo Transport Compression
Prerequisites & Environment Preparation
Configuring Primary and Standby Databases
Enabling Force Logging and Archive Mode
Standby Redo Logs Configuration
Using RMAN to Duplicate Primary to Standby
Data Guard Configuration using DGMGRL and Enterprise Manager
Starting and Stopping Data Guard
Monitoring Redo Transport and Apply
Using V$ Views to Check Sync Status
Gap Detection and Resolution
Manual and Automatic Role Transitions
Managing Delayed Log Apply
What is Data Guard Broker
Configuring Broker for DG
Managing Data Guard Using DGMGRL CLI
Performing Switchover/Failover with Broker
Using Oracle Enterprise Manager for Broker Integration
Snapshot Standby Configuration
Active Data Guard (Real-Time Query)
Fast-Start Failover (FSFO)
Data Guard with RAC
Handling Network, Disk, and Human Failures
Security and Audit for Data Guard
RMAN Strategies for Data Guard
Backup Primary vs Standby
Disaster Recovery Planning with DG
Restore and Recovery of Failed Standby
Reinstating Failed Primary Database
Configure Real-Time Physical Standby
Switchover Simulation Between Sites
Configure Active Data Guard and Monitor Performance
Data Guard Automation Scripts (Shell + SQL)
Failover Test Simulation in DR Scenario
Oracle Data Guard is a must-have skill for senior DBAs
Essential for disaster recovery planning in enterprise IT
Learn real-time failover, HA architecture, and monitoring tools
Gain practical hands-on exposure in a safe lab environment
Prepare for Oracle OCP/OCE certifications with confidence
Oracle DBA Career Growth Path
Certification Mapping (OCA → OCP → OCE – Data Guard Admin)
Resume Optimization for DBA Roles
Interview Preparation with Real-time Scenarios
How to prepare for MNC infrastructure DBA roles
🔍 Roles You Can Apply For:
Oracle DBA – Data Guard Specialist
Infrastructure DBA
Disaster Recovery Engineer
Oracle Cloud DBA (with Data Guard on OCI)
Senior DBA (HA & Performance)
💸 Expected Salary Range (India):
| Experience | Role | Avg Salary |
|---|---|---|
| 2–3 years | Jr. DBA (with DG exposure) | ₹5 – ₹7 LPA |
| 3–5 years | Oracle DBA – Data Guard | ₹8 – ₹14 LPA |
| 5+ years | Senior DBA / DR Architect | ₹15 – ₹25+ LPA |
✅ Hands-on Lab Setup (Oracle VM or Cloud)
✅ Step-by-step Practical Guide
✅ Troubleshooting Cheat Sheets
✅ Resume + Interview Support
✅ Certificate of Completion
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