IBM Mainframe Developer – Advanced COBOL & DB2

Module 1: Advanced COBOL Programming Concepts

• Review of COBOL structure and division organization
• Advanced data types: packed decimal, binary, and floating point
• Complex condition handling and nested IF structures
• EVALUATE statement and advanced control flow

Module 2: File Handling and I/O Operations

• Sequential, indexed, and relative file processing
• VSAM file access methods in COBOL programs
• Managing file status codes and exception handling
• Advanced sort and merge operations using DFSORT

Module 3: Table Handling and Data Manipulation

• Defining and processing single and multi-dimensional tables
• SEARCH and SEARCH ALL for binary and sequential searches
• Advanced string manipulation: INSPECT, STRING, UNSTRING
• Reference modification and pointer-based data access

Module 4: Subprogram and Modular Programming

• Static and dynamic subprogram call mechanisms
• Passing parameters by reference and by content
• Managing working storage versus linkage section data
• Designing reusable COBOL modules and copybooks

Module 5: Advanced DB2 Concepts

• DB2 architecture on z/OS: subsystems, buffer pools, and logs
• Advanced SQL: subqueries, correlated queries, and set operations
• DB2 catalog and directory structures
• Managing DB2 objects: tablespaces, indexes, and views

Module 6: Embedded SQL in COBOL

• Embedding SQL statements in COBOL programs
• Managing host variables and null indicators
• Cursor declaration, opening, fetching, and closing
• Handling SQLCODE and SQLSTATE in COBOL programs

Module 7: DB2 Performance and Query Optimization

• Understanding DB2 access paths and EXPLAIN output
• Optimizing SQL queries for performance
• Managing runstats, reorgs, and index maintenance
• Identifying and resolving lock contention and deadlocks

Module 8: CICS Application Development

• Introduction to CICS transaction processing environment
• Writing CICS COBOL programs using EXEC CICS commands
• Managing CICS maps, BMS, and terminal I/O
• CICS file control and temporary storage queue management

Module 9: Batch Processing and JCL Integration

• Designing and optimizing COBOL batch programs
• Integrating COBOL programs with advanced JCL procedures
• Managing checkpoint and restart logic in batch jobs
• Handling abend codes and batch job recovery strategies

Module 10: Testing, Debugging, and Modernization

• Using IBM Debug Tool for COBOL and DB2 debugging
• Writing test cases and managing test data on the mainframe
• Code review standards for enterprise COBOL development
• Mainframe modernization: integrating COBOL with REST APIs and cloud services

Experience in the Industry Learn from certified IBM Mainframe Developer – Advanced COBOL & DB2 professionals with hands-on industry experience.

Backgrounds at the Top Our trainers hold relevant certifications and have worked on real-world implementations.

Clear & Effective Teaching All core concepts of IBM Mainframe Developer – Advanced COBOL & DB2 are explained with practical examples.

Hands-On Learning Focus Students gain practical experience through structured labs and projects.

Up-to-Date Knowledge Trainers keep content current with the latest platform releases and best practices.