The enterprise data management system for IBM System z mainframes

IBM DB2 for z/OS is an enterprise data management system designed and tightly integrated with the IBM System z mainframe. DB2 for z/OS takes advantage of the strengths of System z better than other databases, reducing your total cost of ownership through process enhancements and productivity improvements for database administrators and application developers.

IBM DB2 for z/OS offers the following benefits:

Reduced costs

Support for resilience

Improved productivity for administrators and developers

DB2 for z/OS resources

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Buy DB2 for z/OS

The enterprise data management system for IBM System z mainframes

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System requirements

Below is a list of the system requirements for DB2 for z/OS and OS/390. For more details, please click on the Technical details link in the navigation bar to the right.

DB2 Version 9.1 for z/OS


Operating SystemSoftwareHardware
z/OS z/OS Any processor that supports z/Architecture™ with some limitations

DB2 UDB for z/OS Version 8


Operating SystemSoftwareHardware
z/OS z/OS Any processor that supports z/Architecture