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Introduction to the New Mainframe: z/OS Basics by Andy R. Wilkinson, Henrik Thorsen, Bill Seubert, Paul Newton, Rod Neufeld, Georg Müller, John Kettner, Roberto Yuiti Hiratzuka, Olegario Hernandez, Michael Grossmann, Miriam Gelinski, Luis Martinez Fuentes, Per Fremstad, Myriam Duhamel, Rama Ayyar, Wayne O'Brien, Mike Ebbers, Bill Ogden

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Class programs
All the exercises here work with an employee file (or database); this file identifies all employees by an employee number and lists basic personnel information.
The exercise has the department number as input, selects all records from that department, and then does the sum of the salary fields of those records. Finally, the average salary is displayed.
The exercises that follow are written in different languages, executed in different environments and with different data sources, but all cover the functionality just described. ...

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