COBOL Course
This course equips you with essential COBOL skills for mainframe batch processing. Delve into file designs, JCL scripting, SORT/MERGE operations, business logic implementation, rigorous testing, and production safety measures. Build confidence to sustain, enhance, and update vital business systems effectively.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
Gain hands-on expertise in developing, executing, and managing robust batch applications using COBOL. Master COBOL syntax, PIC clauses, file structures, and status codes, applying them to master files, transaction files, error files, and reports. Practise JCL, SORT/MERGE tools, debugging, testing, and secure deployment methods to handle intricate business logic and large-scale data processing in live environments.
Elevify advantages
Develop skills
- Develop COBOL batch programs to create, modify, and verify sequential master files efficiently.
- Master JCL for dataset management, COBOL job execution, and batch workflow control.
- Implement business rules in COBOL covering transaction processing, balance checks, and audit logging.
- Design file layouts and PIC clauses for master, transaction, error, and report records.
- Perform testing and debugging to track issues, optimise performance, and ensure safe deployments.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
Your classes are perfect. I got the one-year package and finally have the chance to follow several topics I'm interested in without having to switch platforms... I appreciate everything you do, I've already recommended you to others...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way the videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast and easy to use. The variety of content and the supplementary videos really help with learning.

Giulio CarloPrompt Engineering Student
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