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Introduction to the New Mainframe: IBM z/VSE Basics by Martin Walbruehl, Joerg Schmidbauer, Ingolf Salm, Bill Ogden, Wayne O'Brien, Wilhelm Mild, Marco Kroll, Jerry Johnston, Helmut Hellner, Hans Joachim Ebert, Wolfgang Bosch, Mike Ebbers

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Database management systems on IBM z/VSE
 
Objective: You need a good working understanding of the major types of system software used to process online workloads on the mainframe. In this chapter, we focus on two of the most widely used database management system (DBMS) products for IBM z/VSE: IBM DB2 and Data Language/I (DL/I).
After completing this chapter, you will be able to provide the following information:
Explain how databases are used in a typical online business.
Explain the role of DB2 in online transaction processing.
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