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.
The student should have experience with a high-level programming language such as COBOL, PL/I or C and a knowledge of TSO/ISPF and program compilation procedures.
3 Days/Lecture & Lab
This course is intended for programmers responsible for writing application programs which will access IMS databases.
- Database definition
- Program specification block
- CALL statement and its parameters
- Linkage section of a COBOL program
- RETRIEVE functions
- UPDATE functions