DB2® for z/OS® is a relational database management system that runs on the mainframe. A relational database is a database in which all of the data is logically contained in tables. These databases are organized according to the relational model.

Is mainframe a database?

A mainframe is the central data repository, or hub , in a corporation's data processing center, linked to users through less powerful devices such as workstations or terminals. The presence of a mainframe often implies a centralized form of computing, as opposed to a distributed form of computing.

How do I access my mainframe database?

To access mainframe data, you need to complete the steps that follow: Step 1: Create a source library, a PDS, and then copy artifacts, such as copybooks and database source, into the source library. Step 2: Connect to a Data Service server running on an z/OS® mainframe instance.