IMS Database (DB) Coding

Audience

Application programming personnel

This course is designed for application programmers requiring a detailed understanding of IMS database processing.

This course provides 14 programming exercises for the attendee too complete.

Upon successful completion of this course, the student will be able to:

Code programs utilizing efficient retrieval, replace, delete and insert calls to IMS databases
Design, code and test restartable programs using symbolic checkpoint/restart and GSAM databases

COBOL or PL/I, TSO, JCL, IMS Concepts

I.Hierarchic Structures, IMS system components and IMS Control Blocks
II.Coding using CALL and/or EXEC DLI functions (entry statement, PCBs, SSAs, I/O Areas, status code checking, DIB Interface)
III.Sequential Processing
IV.Getting Started (VSAM data sets, Loading, BMP vs DLI, JCL, DD statements)
V.Random Processing
VI.Adding, Deleting, Replacing, Setting Parentage, Path calls, concatenated keys
VII.Using command codes
VIII.Using Multiple database positioning
IX.Processing GSAM
X.Processing using Secondary indexes, processing a secondary index
XI.Using the AIB (Application Interface Block)
XII.. Using CHKP/XRST calls, design considerations, and validation of results
XIII.Fast Path Considerations (optional)
XIV.BTS (Batch Terminal Simulator)
XV.DFSDDLT0 (test program overview)