PostgreSQL Administration, Oracle Migration & Java Application Modernization
PostgreSQL Administration, Oracle Migration & Java Application Modernization equips database administrators and cloud engineers with skills to modernize legacy systems by migrating from Oracle to PostgreSQL and refactoring Java applications. It solves the critical industry challenge of reducing licensing costs and technical debt during cloud transitions, addressing a market where over 60% of enterprises are actively replatforming databases. Learners gain hands-on expertise in schema conversion, data type mapping, JDBC optimization, and PL/pgSQL transformation.
This course prepares for the OCI 2025 Migration Architect Professional certification. Koenig delivers official vendor-authorized courseware with Guaranteed-to-Run dates, ensuring access to Oracle’s latest migration frameworks. Graduates will design and execute end-to-end migration strategies, positioning them to lead cloud modernization initiatives across hybrid environments.
Training Formats & Pricing
Available in all languages Fastest
Available in all languages Most Popular
100% Happiness Guarantee · Free Rescheduling · Secure Payment
Course Overview
The PostgreSQL Administration, Oracle Migration & Java Application Modernization course by Oracle is designed for database administrators, cloud architects, and Java developers responsible for modernizing enterprise applications and migrating from Oracle Database to PostgreSQL. This comprehensive training prepares learners for the OCI 2024 Migration Architect Professional certification (exam 1Z0-1123-24), equipping them with skills critical for organizations undergoing digital transformation. With over 60% of Fortune 500 companies actively pursuing database modernization to reduce licensing costs and improve agility, expertise in Oracle-to-PostgreSQL migration has become a high-demand capability across financial services, healthcare, and cloud-native sectors.
Participants engage with key Oracle technologies including Oracle Cloud Infrastructure (OCI), Oracle Cloud Migrations service, and OCI Database Services, alongside industry-standard tools such as AWS Schema Conversion Tool (AWS SCT) and AWS Database Migration Service (DMS). The hands-on lab environment, conducted through the Oracle Cloud Console, enables students to build and configure a complete migration pipeline, including schema conversion, data replication, and SQL refactoring. A core project involves migrating a legacy Java EE application from an on-premises Oracle database to PostgreSQL on OCI, implementing secure connectivity, managed identity authentication, and performance validation to ensure functional parity in a production-like setting.
This course provides direct preparation for the Oracle Cloud Infrastructure 2024 Migration Architect Professional certification, a globally recognized credential that validates advanced cloud migration expertise. Certified professionals report a 20–30% increase in earning potential, with senior migration architects commanding salaries upwards of $140,000 in North America. Koenig Solutions enhances this training with its Guaranteed-to-Run scheduling and access to official Oracle courseware, ensuring uninterrupted learning. Completing this program positions learners to lead strategic database modernization initiatives, driving cost savings and cloud adoption in enterprise IT environments.
What You'll Learn
Prerequisites
- Proficiency in SQL:2016 standard and PL/SQL packages for PostgreSQL 15/16 administration and migration from Oracle databases.
- Experience with RHEL 8/9 or Oracle Linux 8/9 operating systems required for PostgreSQL Administration, Oracle Migration & Java Application Modernization.
- Experience with Java 17 or 21 LTS releases to support effective Java application modernization.
- Solid grasp of relational database architecture and SQL syntax for migrating legacy Oracle database schemas to PostgreSQL.
- Familiarity with object-oriented programming principles to facilitate the modernization of Java applications.
- Hands-on experience with modern IDEs such as IntelliJ IDEA or Eclipse for project deployment in PostgreSQL environments.
Certification Exam
Everything you need to know about the PostgreSQL Administration, Oracle Migration & Java Application Modernization certification exam
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Career Outcomes
of PostgreSQL Administration, Oracle Migration & Java Application Modernization certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the PostgreSQL Administration, Oracle Migration & Java Application Modernization certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- PostgreSQL Database Administrator
- Oracle Migration Specialist
- Java Application Modernization Engineer
- Database Migration Consultant
- Java and PostgreSQL Architect
- Enterprise Database Modernization Lead
Companies Hiring
and 5,000+ organizations worldwide seeking PostgreSQL Administration, Oracle Migration & Java Application Modernization certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Resources
Learn more about PostgreSQL Administration, Oracle Migration & Java Application Modernization before you enroll
How PostgreSQL Certification Enhances Your Skills as a Data Analyst
As the demand for data analysts continues to rise, professionals are increasingly expected to master a variety of tools and technologies tha…
Read GuideCertainly! Creating blog topics that are relevant to your training course and incorporating the keywords effectively can help improve your website's SEO. Below are some suggested blog topics that align with the Microsoft Cloud Workshop: Migrating Oracle to Azure SQL or PostgreSQL:
# Transitioning to the Cloud: Migrating Oracle to Azure SQL and PostgreSQLIn the modern business landscape, cloud computing has become a cor…
Read ArticlePostgresql DBA Roles and Responsibilities, Skills, Jobs Description & Salary
Today, data drives all industries. It is essential for the survival and success of organizations, and they rely heavily on databases to trac…
Read ArticleHappiness Guarantee
We are so confident in the quality of our training that we offer a full money-back guarantee. Not satisfied? Contact us within 24 hours of your first session — we'll refund you completely, no questions asked.