IMS Data Sharing (CMW50G)
IMS Data Sharing (CMW50G) by IBM equips IMS system programmers and database administrators with advanced skills to manage shared databases across multiple systems while ensuring data integrity. Designed for professionals managing high-availability IMS environments, it addresses the critical challenge of concurrent database access in complex mainframe infrastructures. Over 10 million IBM digital credentials have been issued, reflecting widespread industry recognition.
This course prepares learners for IBM’s IMS certification exams with official vendor-authorized courseware. Koenig Solutions offers 30-day lab access for hands-on practice, reinforcing real-world expertise. Graduates gain the proficiency to optimize performance, ensure seamless recovery, and support enterprise-scale data sharing—key capabilities for advancing into senior mainframe architecture and administration roles.
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Course Overview
The IBM course IMS Data Sharing (CMW50G) is designed for professionals preparing for the IBM Certified System Programmer - IMS certification, validating expertise in high-availability IMS environments. This advanced training serves IMS system programmers, database administrators, and mainframe systems programmers responsible for managing enterprise IMS databases across distributed processors. With over 80% of Fortune 500 companies still relying on IBM mainframes for mission-critical workloads, mastery of IMS data sharing remains a high-demand skill in banking, insurance, and government sectors where data integrity and uptime are paramount.
Students in IMS Data Sharing (CMW50G) engage with core technologies including IMS subsystems, Internal Resource Lock Manager (IRLM), coupling facilities, DBRC (Database Recovery Control), z/OS operating environment, and shared queue structures. The hands-on lab component, conducted in an instructor-led online environment with access to real z/OS systems, enables learners to configure multi-system IMS data sharing environments, implement locking protocols, manage buffer invalidations, and execute recovery operations after simulated failures. A key project involves designing and testing a resilient data sharing configuration that supports continuous transaction processing across clustered mainframes, simulating real-world banking transaction systems requiring 24/7 availability.
This course directly prepares candidates for the IBM Certified System Programmer - IMS (exam C2090-549), a credential recognized across the mainframe industry for validating deep systems expertise. Certified professionals report average annual salaries between $80,000 and $120,000, reflecting the specialized nature of IMS skills. Koenig Solutions enhances preparation through Guaranteed-to-Run scheduling and official IBM courseware, ensuring consistent access to accredited training. Completing IMS Data Sharing (CMW50G) positions IT professionals to lead IMS modernization initiatives, support hybrid cloud integrations, and advance into senior systems architect or mainframe infrastructure leadership roles.
What You'll Learn
Prerequisites
- Completion of IMS Database Recovery Control (DBRC) (CM20G) or equivalent background
- Knowledge of IMS DL/I and Fast Path database structures
- Proficiency in configuring and using IBM DBRC for data sharing environments
- Hands-on experience with IMS system programming on mainframes
- Knowledge of IMS data sharing architecture and its components
- Proficiency in JCL, TSO/ISPF, and basic z/OS console operations
Certification Exam
Everything you need to know about the CMW50G 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 CMW50G certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the CMW50G certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- IMS System Programmer
- IMS Database Administrator
- Mainframe Systems Programmer
- IMS Data Sharing Specialist
- z/OS Systems Engineer
- IMS Performance Tuning Analyst
Companies Hiring
and 5,000+ organizations worldwide seeking CMW50G certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
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“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
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“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
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“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
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“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
Frequently Asked Questions
Everything you need to know about the CMW50G training course
Is the certification exam included in IMS Data Sharing (CMW50G) by IBM, and what is the fee if separate?
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