Oracle 21c DBA: Installation, Multitenancy & Recovery

Master Oracle 21c DBA: Installation, Multitenancy & Recovery

Unlock the power of the latest Oracle database with our comprehensive Oracle 21c DBA course. This course equips you with the essential skills to expertly manage Oracle's leading database management system, focusing on installation, multitenancy, and robust recovery strategies.

Course Objectives: Become a Proficient Oracle 21c DBA

Upon completion of this course, you will be able to:

• Understand the core database architecture for effective DBA operations.
• Successfully install the Oracle software and database environment.
• Administer database user accounts securely.
• Manage tablespaces to optimize storage for data backup and recovery.
• Diagnose and resolve database issues, including collaboration with Oracle Support.
• Configure listeners for seamless user interaction.

Course Curriculum: A Deep Dive into Oracle 21c

This course provides hands-on experience with key aspects of Oracle 21c administration:

• Installation in Oracle 21c:

  • Pre-installation: Meeting hardware and software prerequisites, configuring OS packages, and setting up the Oracle Grid Infrastructure.
  • Oracle Database Installation: Utilizing the Oracle Universal Installer (OUI) for single instance and RAC (Real Application Clusters) deployments.
  • Post-installation Configuration: Configuring network services, storage, and listeners, and utilizing Database Configuration Assistant (DBCA) for database creation.
  • Implementing automatic backup and recovery settings.

• Multitenancy in Oracle 21c:

  • Explore the benefits of the multitenant architecture, including resource sharing, isolation, and simplified management.
  • Leverage key features like unified backup and recovery, PDB relocation, and PDB seeding.

• Recovery in Oracle 21c:

  • Master automated recovery with Oracle Flashback technology for point-in-time recovery, including Flashback Table and Flashback Drop.
  • Utilize RMAN (Recovery Manager) for flexible and efficient backups and recovery, including backup compression and encrypted backups.
  • Implement Data Guard for real-time disaster recovery with Active Data Guard for read-only standby access.

Key Features of Oracle 21c: Advanced Capabilities

• AutoML (Automated Machine Learning): Integrate machine learning directly within the database for predictive analytics.
• Blockchain Tables: Securely store tamper-evident data for auditing and tracking.
• In-Memory Enhancements: Optimize query execution for faster performance.
• Improved JSON Support: Efficiently manage and query JSON documents.
• Sharding and Distributed Databases: Scale databases horizontally for large-scale applications.
• Database Autotuning: Automatically optimize database configurations for peak performance.
• New Data Types: Support for spatial, JSON, and XML data types.

How Oracle 21c Works: A Powerful RDBMS

Oracle 21c is a robust Relational Database Management System (RDBMS) designed for handling large volumes of structured and unstructured data. Its key components include:

• Database Instance: Manages database operations and memory structures.
• Data Storage: Optimized for performance and reliability.
• SQL/PLSQL: Enables data manipulation and procedural programming.

Oracle 21c excels in scalability, performance optimization, high availability, security, and cloud readiness. It simplifies management through tools like Oracle Enterprise Manager (OEM) and RMAN, and offers cost efficiency through automation and centralized control.