
Corporate Oracle Database 21c Administration Training Course
Edstellar's instructor-led Oracle Database 21c Administration training course equips employees with comprehensive skills in optimizing database performance, ensuring robust security, and proficiently managing Oracle 21c environments, all within a dynamic and interactive learning environment.
(Virtual / On-site / Off-site)
Available Languages
English, Español, 普通话, Deutsch, العربية, Português, हिंदी, Français, 日本語 and Italiano
Drive Team Excellence with Oracle Database 21c Administration Corporate Training
Oracle Database 21c Administration refers to the management and maintenance tasks associated with the Oracle Database 21c, which is a version of Oracle's flagship database management system. Administering Oracle Database 21c includes a range of critical functions to ensure that the database operates efficiently, securely, and reliably. Oracle Database 21c Administration training course empowers employees with advanced performance tuning techniques to optimize database operations, resulting in faster query processing, reduced downtime, and improved overall system efficiency. In addition, teams are equipped with automation and management techniques to streamline routine administrative tasks, reducing manual effort, minimizing errors, and freeing up time for strategic initiatives.
Edstellar’s Oracle Database 21c Administration training course is conducted by industry experts with extensive experience in this domain. The course covers the full potential of Oracle Database environments and is delivered through virtual/onsite formats. The course is tailored to meet employees' needs, offering hands-on exercises, customization options, and real-world examples to enhance learning outcomes.

Skills Your Employees Will Gain
These are the core, hands-on capabilities your team builds during the program.
- Cloud OptimizationCloud Optimization is the process of enhancing cloud resource efficiency and performance while minimizing costs. this skill is important for IT professionals to ensure scalable, cost-effective cloud solutions.
- Database AuditingDatabase Auditing is the process of reviewing and analyzing database activities to ensure compliance, security, and data integrity. This skill is important for database administrators and security analysts to protect sensitive information and maintain regulatory standards.
- Network ConfigurationNetwork Configuration involves setting up and managing network devices to ensure optimal connectivity and performance. This skill is important for IT professionals, as it ensures reliable communication, security, and efficient data transfer within organizations.
- Data RecoveryData Recovery is the process of retrieving lost, corrupted, or inaccessible data from storage devices. This skill is important for IT professionals and data analysts to ensure business continuity and safeguard critical information.
- Backup StrategiesBackup Strategies involve planning and implementing methods to securely store and recover data. This skill is important for IT roles to ensure data integrity and business continuity.
- Query OptimizationQuery Optimization is the process of improving database query performance by refining SQL statements. This skill is important for database administrators and data analysts to ensure efficient data retrieval, reduce load times, and enhance overall system performance.
What Your Team Will Achieve After This Training
- Configure Oracle cloud environments to optimize cloud service models and deployment strategies, enhancing operational efficiency in real-world IT settings
- Apply the new features of Oracle database 21c to existing databases to improve performance and compatibility, thereby reducing system downtime and enhancing user satisfaction
- Design and implement Oracle database architectures that align with organizational needs, leading to robust, scalable, and secure database solutions
- Set up and manage Oracle database instances with a focus on maximizing system stability and performance through proper configuration and connectivity practices
- Streamline database startup procedures to reduce startup times and increase system availability for critical business operations
- Utilize Oracle database management tools to monitor, adjust, and maintain database health, significantly reducing the risk of unplanned downtime
Topics & Program Outline
The curriculum is organized into focused modules built by industry experts and delivered virtually or on-premise. Interactive sessions reflect the evolving demands of the workplace, keeping the learning both relevant and practical.
- Introduction to Oracle cloud
- Definition and benefits of Oracle cloud
- Cloud service models
- Cloud deployment models
- Overview of Oracle database 21c
- New features and enhancements
- Key performance improvements
- Compatibility with previous versions
- Overview of the Oracle database architecture
- Main components and their interactions
- Server and client architecture
- Configuring and connecting to the Oracle database instance
- Installation requirements and initial setup
- Configuration processes and steps
- Understanding Oracle database memory structures
- System Global Area (SGA)
- Program Global Area (PGA)
- Process architecture and structures
- Background processes and user processes
- Process startup sequence
- Initialization process, mounting, and opening databases
- Storage architecture
- Physical storage structures and logical storage structures
- Overview of Oracle database management tools
- Tool types and their uses
- Integration with other systems
- Enterprise manager management framework
- Dashboard and metrics
- Configuration and customization options
- Overview of Oracle Net Services and Oracle Net Listener
- Core functions and architecture
- Listener configuration and management
- Oracle network connections
- Types of network connections and secure configurations
- Configuring Oracle network tools
- Tools and utilities overview
- Practical configuration examples
- Listener control utility
- Commands, usage, and troubleshooting listener issues
- Oracle Net configuration assistant
- Guided configuration processes
- Common configuration scenarios
- Oracle Net Manager
- Interface and features
- Network management tasks
- Enterprise manager cloud control
- Monitoring network components
- Performance analysis and reporting
- Overview of database block content
- Block structures and types
- Common operations on blocks
- Storage structure
- Data files and redo log files
- Creating and managing tablespaces
- Types of tablespaces and management operations
- Navigating and viewing tablespace information
- Tools and commands for space management
- Using Oracle managed files
- Benefits, limitations, and usage guidelines
- Managing database user accounts
- Creation, modification, and deletion of accounts
- Best practices for user management
- Predefined administrative accounts
- Roles, responsibilities, and security best practices
- Creating a user account
- Step-by-step creation process and common issues
- Authentication and password reset
- Authentication methods and password policies
- Understanding the concept of privileges, roles, and profiles
- Privilege types and uses, role and profile management
- Understanding the locking mechanism
- Types of locks and lock management
- Understanding data concurrency
- Concurrency mechanisms and isolation levels
- DML locks
- Lock types, characteristics, and scenarios
- Enqueue mechanism
- Enqueue operations and types
- Lock conflicts
- Detection, resolution, and preventive measures
- Overview of undo data
- Purpose, importance, and data structure
- Managing transactions and storing undo information
- Transaction management and undo data techniques
- Undo data vs. redo data
- Differences, similarities, and use cases
- Configuring and guaranteeing undo retention
- Retention policies and configuration steps
- Changing the size of an undo tablespace
- Reasons, procedures, and monitoring
- Overview of database auditing
- Auditing objectives and types of auditing
- Database security and compliance monitoring
- Compliance frameworks and monitoring tools
- Standard database auditing
- Enabling auditing and managing audit records
- Audit administration
- Audit policy configuration and trail management
- Configuring audit trail
- Trail types, configuration, and performance considerations
- Audit options
- Available options, settings, and customization
- Overview of database maintenance
- Routine tasks and long-term planning
- Alert history
- Viewing and analyzing alerts, response strategies
- Automatic Database Diagnostic Monitoring (ADDM)
- Overview and use of ADDM reports
- Understanding the advisory framework
- Components and using advisory recommendations
- Enterprise manager and advisor
- Using the Enterprise Manager for maintenance and optimization
- Monitoring performance
- Tools, techniques, and identifying bottlenecks
- Tuning activities and performance planning
- Objectives, planning, and implementation
- Instance tuning
- Specific techniques and case studies
- Performance tuning methodology and data
- Methodologies and data analysis
- Managing memory
- Allocation strategies and dynamic management
- Overview of Database Resource Manager
- Role, benefits, and configuration
- Using the Database Resource Manager
- Creating resource plans and managing resources
- Maintenance Resource Manager plan
- Planning, implementation, and monitoring
- Resource Manager workflow
- Description, management techniques, and best practices
- Resource allocation methods
- Techniques and best practices
- Block space management
- Managing free space and reuse techniques
- Chaining and migration
- Causes, impacts, and correction strategies
- Understanding the types of segments
- Segment types, characteristics, and usage scenarios
- Allocating extents and space
- Management techniques and best practices
- Creating tables without segments
- Techniques, benefits, and limitations
- Overview of instance recovery
- Importance and recovery processes
- Understanding and configuring instance recovery
- Options, scenarios, and configuration
- Instance recovery phases
- Detailed phase breakdown and roles
- Using MTTR Advisor
- Overview and improving recovery times
- Understanding media failure
- Types of failures and response strategies
Who Should Attend?
This program suits professionals at many levels across the organization, including:
- Database Administrators
- IT Administrators
- Database Analysts
- Systems Administrators
- Data Architects
- SQL Developers
- IT Support Specialists
- Data Engineers
- Application Developers
- Business Intelligence Developers
- Technical Support Engineers
- Managers
What are the Prerequisites?
Employees with a basic understanding of Linux and SQL can take up Oracle Database 21c Administration training.
Choose the Format That Fits Your Team
We design training your teams actually engage with, and deliver it the way that suits you best. Through a vetted global trainer network, Edstellar runs sessions in 10+ languages with consistent quality anywhere.



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Virtual / online: expert-led live sessions delivered anywhere, with consistency and easy scheduling.
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On-site (in-house): immersive, instructor-led learning at your office.
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Off-site: focused, instructor-led group learning away from everyday workplace distractions.
Get a Proposal Shaped to Your Needs
Need pricing for onsite, offsite, or virtual delivery? Get a proposal tailored to your team's needs.
64 hours of group training (includes VILT/In-person On-site)
Tailored for SMBs
Tailor-Made Trainee Licenses with Our Exclusive Training Packages!
160 hours of group training (includes VILT/In-person On-site)
Ideal for growing SMBs
Tailor-Made Trainee Licenses with Our Exclusive Training Packages!
400 hours of group training (includes VILT/In-person On-site)
Designed for large corporations
Tailor-Made Trainee Licenses with Our Exclusive Training Packages!
Unlimited duration
Designed for large corporations
What Sets Edstellar Apart
Experienced Trainers
Our trainers are drawn from a vetted global network and bring years of industry expertise, keeping every session practical and impactful.
Proven Quality
With a strong global track record, Edstellar is known for quality and engaging delivery.
Industry-Relevant Curriculum
Our programs are built by experts to match the demands of today's industry.
Fully Customizable
Every program can be tailored to your organization's goals.
Comprehensive Support
We provide pre- and post-session support for a complete learning experience.
Global Multi-Location & Multilingual Training Delivery
We deliver in multiple languages to support diverse global teams.
Hear from Organizations We've Trained
"This Oracle Database 21c Administration course was exactly what I needed to advance my career. As a Lead MLOps Engineer, mastering industry best practices has become crucial for my success. The in-depth coverage I use daily. My productivity and technical capabilities have increased dramatically since applying these concepts. The real-world examples and deep dive into real-world case studies were particularly valuable for my professional growth.”
Sarah Hawkins
Lead MLOps Engineer,
Database Optimization Services Firm
"This Oracle Database 21c Administration course was precisely what I needed to design robust professional expertise architectures. The hands-on approach to practical simulations and seamless integration with hands-on using advanced techniques from this training. Our solution delivery efficiency and quality have increased substantially across the board. The comprehensive curriculum has elevated my solution delivery capabilities significantly.”
Krisztian Toth
Senior Data Platform Engineer,
Enterprise Data Platform
"This Oracle Database 21c Administration course provided our team with comprehensive strategic frameworks capabilities we immediately put into practice. As a Senior Database Administrator managing complex technical mastery enhanced our delivery capacity. Our team delivered record-breaking results in the subsequent quarter, exceeding all targets. The training fundamentally improved our team's performance metrics and overall efficiency.”
Mahmud Qasim
Senior Database Administrator,
Data Storage Platform Company
“Edstellar’s IT & Technical training programs have been instrumental in strengthening our engineering teams and building future-ready capabilities. The hands-on approach, practical cloud scenarios, and expert guidance helped our teams improve technical depth, problem-solving skills, and execution across multiple projects. We’re excited to extend more of these impactful programs to other business units.”
Aditi Rao
L&D Head,
A Global Technology Company
Recognition That Motivates Your Team
Upon successful completion of the training course offered by Edstellar, employees receive a course completion certificate, symbolizing their dedication to ongoing learning and professional development.
This certificate validates the employee's acquired skills and is a powerful motivator, inspiring them to enhance their expertise further and contribute effectively to organizational success.


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