Unable to find what you're searching for?
We're here to help you find itOracle Database 21c training by Koenig enables you to master multitenant databases and performance optimization, preparing you for the Oracle Database Administration 2021 Certified Professional.
500K+ certified professionals
Explore Oracle Database 21c certification and training courses — delivered live by certified instructors.
Oracle Database 21c is an innovation release of Oracle's relational database management system, designed to unify multiple data models and workloads within a single converged database. Published by Oracle Corporation, it solves the complexity of managing disparate data systems by integrating operational, analytical, and mixed workloads with high performance, security, and scalability. It serves as a foundational component of Oracle’s database software stack, supporting cloud-first deployment across on-premises, cloud, and hybrid environments. Key components include Oracle Multitenant, which enables efficient consolidation of multiple databases into a single container; Oracle Database In-Memory, delivering real-time analytics by maintaining dual-format data storage; Oracle Real Application Clusters (RAC), providing high availability and scalability; Oracle Sharding, supporting geo-distributed, hyperscale applications; JSON Document Store, offering native JSON data type support; and In-Database Machine Learning, allowing data scientists to build predictive models directly within the database using SQL, Python, or R. This technology is for database administrators, data architects, application developers, and data scientists who require a unified, secure, and high-performance environment for managing diverse data types and workloads. Its converged architecture eliminates data silos, reduces infrastructure complexity, and enables real-time analytics alongside transactional processing, making it ideal for enterprises modernizing their data platforms.
Database Architecture
Understand Oracle Database instance configurations and memory structures
SQL Fundamentals
Write and execute SQL queries using SELECT statements
User Management
Create and manage database users, roles and privileges
Storage Management
Manage tablespaces, datafiles and segment space allocation
Backup Basics
Perform database backups using Recovery Manager (RMAN)
Net Configuration
Configure Oracle Net Services and listener components
The building blocks every Oracle Database 21c solution is made of
See what your official Oracle Database 21c certification looks like. Download a sample — then let our advisors map the fastest path to earning the real one.
1Z0-071Oracle Database SQL - Oracle Certification Program
1Z0-082Oracle Database Administration I - Oracle University
1Z0-083Oracle Database Administration II - Oracle University
1Z0-084Oracle Database Performance and Tuning - Oracle University
1Z0-085Oracle Database Backup and Recovery - Oracle University
Official credential badges — shareable on LinkedIn
Four formats. One quality standard. Every option comes with the same expert instructors, official courseware, and money-back guarantee.
Every factor that determines whether you actually pass your Oracle Database 21c exam — rated across every training format available.
| Criteria | Koenig | Free Platform | Self-Paced Platform | ALP Provider | Legacy Provider | Note |
|---|---|---|---|---|---|---|
| Trainer Expertise & Credentials | ||||||
| Oracle Certified Professional (OCP) Instructors | ✘ | ✘ | ✘ | — | ||
| Live Instructor-Led | ✘ | ✘ | — | |||
| 1-on-1 Private Training | ✘ | ✘ | Partial | ✘ | — | |
| Official Oracle Partner Status | ||||||
| Official Oracle ALP Status | ✘ | ✘ | ✘ | — | ||
| Official Oracle Courseware | ✘ | ✘ | — | |||
| Oracle Partner Credits Accepted | ✘ | ✘ | ✘ | — | ||
| Flexibility & Global Access | ||||||
| Any-Day/Flexi Start | Partial | ✘ | — | |||
| On-Site/Fly-Me Training | ✘ | ✘ | Partial | — | ||
| Global Delivery Reach | Partial | ✘ | — | |||
| Results & Learner Trust | ||||||
| Exam Pass Rate | — | — | — | — | N/A — Vendor does not publish pass rates. | |
| Entry Price (Fundamentals) | ~$745 · best value | Free | $15-30/mo | ~$1,500+ | Contact for Quote | — |
| Verified Learner Reviews | 18,400+ · 4.9★ | N/A | 100,000+ · 4.5★ | Partial | Contact for Quote | — |
Data sourced from public pricing pages and review platforms. Accurate as of March 2026. Partial = available in select regions only.
Verified reviews from learners certified on Azure, AI, Security, and more.
From our headquarters in India to training centers across UAE, Iraq, Saudi Arabia, UK, USA, Singapore, Australia, and more — Koenig delivers Microsoft certification training in 50+ countries.
