Detail školení „COBOL/400 - Programování“

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Anotace

Provide information about the basics of COBOL language, its syntax and technics of programming in COBOL. Work with tools for creating and debugging programs.

Účastníci

Programmers and analysts, software service/maintenance specialists.

Předpoklady

Experience with computer technologies, basic knowledge of work with AS/400, knowledge of AS/400 basic terms.

Obsah

Programming under OS/400

  • Objects, file system, libraries, libraries list
  • Interactive and batch processing
  • Description of DB files and transactional files (I/O devices)
  • SEU, SDA, RLU tools
  • Selected commands of control language

Introduction to COBOL language

  • Editing a program
  • Compilation, start
  • Debug
  • System debug environment
  • Interactive Source Debugger
  • Error log

Transactional files

  • Externally described transactional files
  • Copying of a description file to a program
  • Work with externally described transactional file
  • Indicators in the record and outside of the record
  • Subfile
  • Program described files
  • Specification for a transactional file in the Environment Division
  • Description of a file in the Data Division
  • Work with transactional files in the Procedure Division

Database files

  • Method of access to DB files
  • Sequential access
  • Index access
  • Relative access
  • Specification of a DB file in the Environment Division
  • Description of a DB file in the Data Division

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