The Business Value of DB2 for z/OS

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Celebrating the 30th anniversary of the first release of DB2, this book highlights the important milestones, capabilities, and impacts of the database management software for IBM’s mainframe operating system. Special focus is given to IBM DB2 Analytics Accelerator, covering the key design and operational aspects that enable IBM DB2 for z/OS clients to benefit from faster performance, reduced CPU usage, and lower costs. The second half of the book discusses performance enhancements and cost-saving measures in the version 10 release and is rich with hints and tips for a successful upgrade. A special section on query performance and IBM DB2 Optimizer illustrates how DB2 10 addresses customer issues such as reducing total cost of ownership while maintaining stability and reliability. The final section is a collection of case studies in which DB2 10 for z/OS customers share their migration experiences and articulate the business benefits they are seeing since upgrading to the new release.


John Campbell is an IBM distinguished engineer and one of IBM’s foremost authorities for implementing high-end database and transaction-processing applications. He is the coauthor of DB2 10 for z/OS. Namik Hrle is an IBM distinguished engineer and a member of the IBM Academy of Technology. He works in the IBM Boeblingen Development Laboratory in Germany as the chief information management technologist. Ruiping Li is a senior software engineer in DB2 for z/OS development at the IBM Silicon Valley Lab. She lives in San Francisco. Surekha Parekh is IBM’s worldwide marketing program director for DB2 for z/OS and leads the social media strategy for information management on System z. She is the coauthor of DB2 10 for z/OS. Terry Purcell is a senior technical staff member with the IBM Silicon Valley Lab, where he is lead designer for the DB2 for z/OS Optimizer. He lives in Springfield, Illinois.