IMS - DB Programming Techniques

In this course, the student will gain an understanding of the hierarchical concepts of IMS, the IMS database structures and their impact on programs, the process to define database structures, database access and update methods and the most commonly used command codes.
Before taking this course, students should have:
  • Experience with high level programming language such as COBOL, PL/I or C
  • Experience with TSO/ISPF
  • Experience with program compilation procedures
5 Days/Lecture & Lab
This course is designed for programmers responsible for writing application programs which will access IMS databases.
  • The Database Definition
  • The Program Specification Block
  • The CALL Statement and its Parameters
  • The Linkage Section of a COBOL Program
  • The RETRIEVE Functions (GU, GN, GNP)
  • The UPDATE Functions (ISRT, REPL, DLET)

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