z/OS Compiling Programs that Use DB2 or CICS

In our previous article: z/OS Compile Process, we talked of the basic Compile process. On the mainframe though, you can write programs that call other subsystems, like a database system (ie. DB2) or a transaction system (ie. CICS).

Types of Mainframe Processing: Batch and Online

There are two types of mainframe processes:

1. Batch Processing
2. Online Transaction Processing