What to look for

So, what is it you are looking for? You are looking for all the places where two-digit years might have an impact.

Logic

  • Comparisons
  • Sorts
  • Calculations
  • Record keys
  • Table ordering

Physical Data

  • Flat Files (VSAM, QSAM, ...
  • Databases (DB2, IMS)
  • Archived data files
  • Control tables (CICS)

Batch and on-line

  • JCL, including parameters
  • File sort control "cards"
  • Online screens
  • Reports and layouts
  • System date requests

Data Record Layouts

  • Program Working Storage
  • Cross-program linkage area
  • Copybooks/shared files
  • Date literals
  • Database definition and layout design
  • Control "cards"

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