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Oracle 12C RAC Course Syllabus
- Linux Installation in Virtual Box
- IP Configure for RAC in Linux Machine
- Storage options to maintain RAC databases
- NAS configure for RAC storage
- What is a Cluster?
- What is a Flex Cluster?
- Clusterware Characteristics
- Oracle Clusterware
- Hardware and Software Concepts (High level)
- Shared Storage Overview
- Cluster Storage Requirements
- Clusterware Initialization and OHASD
- Clusterware Process Architecture
- Location Independent Names, Addresses and Name Resolution (GNS, SCAN, VIP..)
- Shared Storage for Oracle Clusterware
- Checking System Requirements
- Single Client Access Name for the Cluster
- Redundant Interconnect Usage
- Kernel Requirements
- Groups and Users
- Shell Settings
- Oracle Validated Configuration
- Installing Oracle Grid Infrastructure
- Verifying the Oracle Clusterware Installation
- The ocrcheck Utilitiy
- The ocrdump Utility
- The crs_stat Utility
- The crsctl Utility
- The Server Control (SRVCTl) Utility
- SRVCTL ADD
- SRVCTL CONFIG
- SRVCTL ENABLE and DISABLE
- SRVCTL GETENV
- SRVCTL MODIFY
- SRVCTL RELOCATE
- SRVCTL REMOVE
- SRVCTL START
- SRVCTL STOP
- About Oracle Clusterware
- Backing Up and Recovering Voting Disks
- Adding and Removing Voting Disks
- The OCR
- Changing the OCR Configuration
- Adding and Removing an OCR Location
- backing Up and Recovering the OCR
- Restoring from Automatic OCR Backups
- Moving or Replacing the OCR
- Repairing the OCR Configuration
- Troubleshooting the OCR
- Adding Oracle Clusterware Homes
- Prerequisites for Running addNode.sh
- Adding a Node with addNode.sh
- Configuring the node role
- Removing a Node from the Cluster
- Overview or Services
- Types of Servicers
- Creating Services with DBCA
- Creating SErvices with SRVCTL
- Preferred and Available Instances for Services
- Using Services
- Managing Services
- Service Views
- Tracing with Services
- Transparent Application Failover(TAF)
- Client-Side vs Server-Side TAF
- Configuring TAF on the client
- Configuring TAF on the Server
- Using SRVCTL to configure TAF
- Oracle Clusterware startup and shutdown
- Administering the Oracle Cluster Registry Disk file
- Network Administration
- What-If Command Evaluation
- Clusterware Admin Tools Review
- Types of Patches
- Obtaining Oracle Clusterware Patches
- Rolling Patches
- OPatch Overview
- Installing a Rolling Patch with OPatch
- Diagnostic Framework Support for CRS
- Cluster Health Monitor Enhancements Overview
- Component level checks – cluvfy with -comp
- Troubleshooting Node Evictions
- Log files and Diagnostic Collection
- The column Utility
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Oracle RAC Job Placement and Certification
At Tes DB Academy, we offer expert training in Oracle RAC, preparing you for certification with practical, hands-on experience. Our comprehensive job placement support connects you with top employers, enhancing your career prospects. We guide you through the certification process to ensure you achieve recognized credentials. Benefit from our industry connections and career resources to secure your next role in Oracle RAC. Join us to advance your skills and achieve your career goals.
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Frequently Asked Questions about the Oracle RAC Course
RAC (Real Application Clusters) in Oracle is a high-availability solution that allows multiple instances of an Oracle database to run on different servers while accessing the same database. This setup provides redundancy and ensures that the database remains available even if one or more servers fail.
RAC enhances the performance, scalability, and reliability of Oracle databases by distributing workloads across multiple servers, making it ideal for mission-critical applications that require continuous operation and high performance.
To start learning Oracle Database, follow these steps:
Understand the Basics: Familiarize yourself with database concepts and SQL, as these are fundamental to working with Oracle Database.
Enroll in a Course: Join a structured course like those offered at Tes DB Academy for comprehensive training and hands-on practice.
Download Oracle Database: Install Oracle Database Express Edition (XE) for free to get hands-on experience with the software.
Study Oracle Documentation: Review Oracle’s official documentation and resources to deepen your understanding of features and best practices.
Practice Regularly: Work on real-world projects or exercises to apply your knowledge and build practical skills.
By combining these steps, you’ll gain a solid foundation in Oracle Database and be well-prepared for more advanced topics and certifications.
Oracle RAC offers high availability, ensuring continuous database operation even if one server fails. It improves performance by distributing workloads across multiple servers, increases scalability as more servers can be added, and provides load balancing for better resource management. These benefits make it ideal for mission-critical applications.
Yes, Oracle RAC (Real Application Clusters) provides high availability by allowing multiple servers to run Oracle database instances that access the same data. If one server fails, others continue to operate, ensuring continuous database availability without downtime. This makes RAC a robust solution for mission-critical applications requiring 24/7 uptime.
The salary for professionals skilled in Oracle RAC in India varies based on experience, location, and company size. Here’s a general range:
- Entry-level Oracle RAC Administrator: ₹4,00,000 – ₹6,00,000 per annum
- Mid-level Oracle RAC Administrator: ₹6,00,000 – ₹10,00,000 per annum
- Senior Oracle RAC Administrator: ₹10,00,000 – ₹20,00,000+ per annum
With experience and advanced certifications, salaries can increase significantly, especially in larger organizations or high-demand industries.
The cost of Oracle RAC certification in Chennai varies depending on the certification level and provider. At Tes DB Academy, we offer an advanced Oracle RAC course designed to prepare you for certification, providing expert training, hands-on experience, and in-depth coverage of key concepts — all at an affordable price. Our course equips you with the skills necessary to excel in Oracle RAC certification and advance your career.
Oracle RAC (Real Application Clusters) allows multiple servers (or nodes) to run Oracle database instances that access the same shared database. Here’s how it works:
- Shared Storage: All nodes in the cluster access a common storage system, which contains the database files. Each node operates its own Oracle instance but shares the same data.
- Cluster Coordination: The instances communicate through a high-speed interconnect, which helps coordinate actions between nodes. Oracle RAC uses synchronization mechanisms like Cache Fusion to ensure data consistency across all instances.
- Load Balancing: Workloads, such as queries and transactions, are automatically distributed across all nodes, improving performance and scalability.
- High Availability: If one node fails, others continue to operate, providing uninterrupted database access, ensuring high availability.
This architecture enhances both the performance and reliability of Oracle databases, making RAC ideal for mission-critical applications.