Intermediate Advanced

  1. 1.Indexed & Relative File Organization
  2. 2.Copybooks & Modular Program Design
  3. 3.Batch Processing & JCL: How COBOL Programs Actually Run
  4. 4.COBOL & Databases: Embedded SQL and DB2/IMS Integration
  5. 5.Sort/Merge Operations & Report Writing
  6. 6.Error Handling: FILE STATUS Codes & Exception Handling
  7. 7.Screen Handling: CICS & Interactive COBOL Basics
  8. 8.Object-Oriented COBOL & Modern Extensions
  9. 9.Reading, Debugging & Maintaining Legacy Code
  10. 10.Capstone: Modernizing a Legacy COBOL System