The complete list of DL/I functions that you need to write a COBOL program for IMS DB database. This list helps you write your programs so effectively. The main use of DL/I functions is to interact with database and to manipulate segments in IMS DB database.
In IMS DB, there are strong reasons why monitoring log activities is really needed. The DBA or Senior programmer must watch the logs about what activities happened on the database. In IMS DB the log file contains 3 key records. Read for more.
Default CMPAT=N in PSBGEN, it means only can be used in Batch processing. Read more…
Quick refresher on why you always need Qualified SSAs over un-qualified SSAs in your IMS DB programs.