Cobol Programming

• 1 Documentation & Ancillary Information
  Material used and referenced in the course
• 2 Structure and Syntax
  Cobol syntax - Program layout, EXIT,GOBACK & STOP
• 3 Compiling and Debugging
  Compile & Link-edit, cleaning up compile errors, run-time errors, diagnosing 0C7 abend
• 4 Define, Move & Initialize fields (Data Division)
  Defining data/variables in COBOL, Arrays, Group items, Value clause, Redefines, COMP & COMP-3, Linkage section
• 5 Sequential File Processing
  Using QSAM, VSAM ESDS, SELECT, FD, OPEN, READ, WRITE, CLOSE, use of RETURN CODE, issue User abend
• 6 Structured Programming
  Unstructured vs structured program design, Perform instruction – simple, iterative, conditional and varying
• 7 Decision Making
  IF – THEN – ELSE, nested IF, EVALUATE(CASE/SELECT) 88 level, SET instruction
• 8 Arithmetic
  ADD, DIVIDE, MULTIPLY, SUBTRACT,COMPUTE, error handling

Advanced Topics

• 9 Working with Dates
  Day, Date and Time functions in COBOL
• 10 Character manipulation
  COBOL character functions, Lower-case, Upper-case, Length, reverse, Ord, Char, String, Unstring, Inspect
• 11 Arrays and Tables
  Defining Arrays, 2D arrays, multi-dimensional arrays, subscripting vs Indexing of arrays, Sequential search, Binary search
• 12 Sub-programs
  Call instruction, Static vs Dynamic calls, GOBACK vs EXIT Program, handling parameters, Return codes
• 13 Indexed File Processing
  VSAM KSDS, sequential vs by Key, Open, Close, Read, write, Rewrite close, Select, FD, VSAM File status
• 14 Relative Record File Processing
  VSAM RRDS, Select, FD, Open,Close, read, write, rewrite, start, delete

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