Oracle Data Guard Training Overview
This Oracle Data Guard Administration training course teaches attendees how to leverage the capabilities of Data Guard and how best to use the various features.
Location and Pricing
Accelebrate offers instructor-led enterprise training for groups of 3 or more online or at your site. Most Accelebrate classes can be flexibly scheduled for your group, including delivery in half-day segments across a week or set of weeks. To receive a customized proposal and price quote for private corporate training on-site or online, please contact us.
In addition, some courses are available as live, instructor-led training from one of our partners.
Objectives
- Understand the purpose and capabilities of Data Guard
- Create and use physical and logical standby databases
- Use Data Guard for fault tolerance and performance
- Enable the capabilities of Active Data Guard
- Manage service and session fault tolerance
- Configure the Data Guard Broker and Fast-Start Failover
Prerequisites
- Understanding of Oracle database and instance architecture
- Familiarity with SQL and basic PL/SQL
- Able to work with Linux command-line tools
Outline
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Introduction
Data Guard capabilities
- Data availability: zero data loss
- Improving performance
- Platform migration
- Zero downtime upgrade
- Enabling technology for distributed systems
Types of standby databases
- Physical standby
- Logical standby
- Snapshot standby
- Real-Time Query standby
- Far-sync standby
- Database roles in the configuration
Physical standby management
- Creation
- Oracle Net configuration
- Standby logfile and archive logfile management
- Switchover and failover
- Configuring and monitoring redo transport and apply
- Data protection modes
- Role transitions
Logical standby management
- Creating from a physical standby
- Managing non-maintained objects
- Tuning data structures
- Use as a data warehouse
- Monitoring and tuning the SQL apply processes
Real-time query
- Licensing implications
- Query offload
- A read-mostly environment
- Use in distributed systems
- Tolerance for stale query
- DML and DDL in the standby
Snapshot standby
- Conversion from and reverting to a physical standby
- Managing multiple streams of redo
- Use for test and development environments
Flashback technologies
- The importance of Database Flashback in a Data Guard configuration
- Database Flashback and Point In Time recovery
- Using Flashback to re-instate a failed primary
- Flashback query, flashback drop, and transaction flashback
Backup and recovery
- Database backup: primary and standbys
- Archivelog backup and removal at all sites
- Restore from backup
- Restore from another database
- Recovering restored datafiles
- Creation and use of an RMAN Recovery Catalog
The Data Guard Broker
- Starting the Data Guard Broker
- Use the DGMGRL command-line tool
- Create a Broker configuration
- Use the broker for role transitions
- Start the Observer process
- Enable fast-start failover
- Monitor automatic failover and database reinstatement
Manage client connectivity and session failover
- Use non-deterministic connect strings
- Enable session failover with TAF
- Create services appropriate to different database roles
- Manage services with PL/SQL and with Grid Infrastructure
Distributed systems
- Cascading standbys
- Real-time cascade
- Far-sync standbys and zero data loss
- Use an archive logfile repository
Maintenance activities
- Tuning and monitoring a Data Guard configuration
- Standby-first patching
- Platform migration
- Minimal downtime upgrade: the physru script
- Integration with RAC: Maximum Availability Architecture
Conclusion
Training Materials
All Oracle training students receive comprehensive courseware and a related textbook.
Software Requirements
- At least 8 GB RAM
- A complete installation of Oracle
- Oracle SQL Developer
- Please contact us for detailed setup instructions if you have purchased this class
