Elevate your career with VRG’s Mainframe Application Programming course, designed to build strong expertise in JCL, COBOL, VSAM, DB2, and CICS. Gain hands-on experience with real-time mainframe environments using Micro Focus EDz tools. Learn to navigate z/OS systems, manage enterprise data, and develop efficient applications. This course is your gateway to high-demand roles in mainframe-based enterprise computing.
Mainframe Application Programming
Elevate Your Mainframe Application Programming Skills – Your Gateway to Enterprise-Grade Computing Mastery
Course Description
Both Online/ Classroom Training
Contact VRG Technologies for expert guidance to find your perfect fit!
Course Objective:
- To provide a strong foundation in mainframe technologies including JCL, COBOL, VSAM, DB2, and CICS.
- To develop practical skills in writing, executing, and debugging programs on the z/OS platform.
- To equip learners with the ability to handle enterprise data and transactions using real-time tools.
- To prepare students for mainframe programming roles in banking, insurance, and large-scale IT systems.
Audience
What you'll learn in this Course?
- Introduction to mainframe: History, evaluation of hardware and software
- Introduction to Mainframe – z/16 architecture
- Virtual storage, address map structure, 64-bit addressing map
- Brief introduction to major subsystems
- TSO/ISPF and mainframe navigation
- ISPF menu options and utility selection panel
- JCL statements and syntax (JOB, EXEC, DD)
- Sample JCL with utilities
- Submitting JCL with IBM-supplied utilities
- SDSF usage
- IBM utilities: IEFBR14, IEBGENER (copy and concatenate datasets), IEBCOPY,
IEBCOMPR, IEHPROGM, IEHLIST - SORT and MERGE – special DD statements
- Procedures – Cataloged and Instream
- Procedure usage concepts
- Advanced JCL concepts:
Internal reader, overriding DD statements
COND parameters, IF…ELSE
Dumps: SYSABEND, SYSMDUMP, SYSUDUMP
Multi-step JCL coding
IEBEDIT for restarting jobs
ICETOOL utility for sorting and customized reporting
- VSAM data organization: types, dataset structures
- Control Interval, Control Area, ESDS creation
- VSAM AMS, IDCAMS utilities
- DEFINE, ALTER – creating and modifying datasets
- Printing, deleting, and listing datasets
- Alternate index and PATH
- Generation Data Group (GDG): creation, print, delete options
- EXPORT & IMPORT for backup and recovery
- VSAM dataset handling via ISPF
- TSO DITTO
- Introduction to COBOL, verbs, keywords, syntax, constructs
- COBOL program structure
- DEFINE, MOVE, INITIALIZE fields
Field definition in Data Division
MOVE and INITIALIZE usage
Data formats on IBM mainframe - Intrinsic functions and arithmetic statements
- Input/output handling
- Control, conditional, arithmetic statements
- Usage and editing
- String handling
- Array/table handling and related features
- COPY statement usage
- Subroutines and CALL statement
- File handling:
Sequential, Random, Dynamic Access
Variable Length Records
Sorting files - Error Handling
- Overview and concepts of DB2
- Designing DB2 objects and relationships
- Working with SQL
- Writing static SQL applications
Programming languages and methods
Preparing applications
Static SQL overview and concepts - Writing dynamic SQL applications
- Triggers:
Active data triggers, structure, cascading - Cursors and usage in DB2
- CICS application programming environment
- Structure and components:
System programs, system tables, application programs, mapsets - Control programs and control tables
- Application design:
Simple input-processing-output application
EXEC Interface Block (EIB), COMMAREA usage
Pseudo-conversational design - CICS commands:
SEND, RECEIVE
HANDLE CONDITION, IGNORE CONDITION, NOHANDLE, RESP - Debugging CICS applications
- Basic Mapping Support (BMS)
- Data access via VSAM (ESDS, KSDS)
- CICS queues:
Intra/Extra partition datasets
Temporary storage queues - Program-to-program control:
LINK/XCTL with COMMAREA
COBOL CALL
START new transaction
Pseudo conversational techniques - CICS with DB2 integration
Accessing DB2 from CICS region
Prerequisites
Certification
Participants will receive a certification of completion from VRG Tech Training, an ISO 9001:2015 certified organization, upon successful completion of the course.
How to Enroll?
Contact our course advisor directly at 91501 39611 via call or WhatsApp for course guidance and batch availability.
Visit us at our training center in Velachery, Chennai, where our team will assist you through a smooth registration process.
Kickstart your journey into enterprise mainframe development—call 91501 39611 to enroll now
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