Oracle 21c Database Administration: Core Skills and Management — PickAClass
⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Oracle 21c Database Administration: Core Skills and Management

Build a solid foundation in Oracle 21c management, covering database architecture, security protocols, and modern multitenant configurations.

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About this course

Reliable data management is the backbone of modern enterprise operations. This course provides the foundational knowledge needed to manage Oracle 21c databases efficiently, ensuring you understand how to maintain high availability and data integrity. You will move from a basic understanding of database concepts to confidently navigating the Oracle 21c environment, learning to handle administrative tasks and implement essential security measures. What you'll learn: - Understand Oracle 21c architecture including memory structures and background processes - Configure and manage multitenant container databases (CDBs) and pluggable databases (PDBs) - Implement robust security measures, encryption basics, and user access controls - Execute backup and recovery strategies to ensure data availability - Monitor database performance and optimize storage management using modern administrative workflows - Apply patch management and basic installation procedures through written technical guides The course begins with essential terminology and structural concepts before moving into practical administration tasks, including security and recovery. You will learn the logical and physical workflows required for day-to-day database maintenance in a modern enterprise environment. This course is designed for aspiring database administrators and IT professionals new to Oracle 21c, with no prior administration experience required. Start your journey into professional database administration today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 36m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Oracle 21c Database Administration: Core Skills and Management
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
Oracle 21c Database Administration: Core Skills and Management
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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