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DB2® SQL PL: Essential Guide for DB2® UDB on Linux™, UNIX®, Windows®, i5/OS™, and z/OS®, Second Edition by Paul Yip, Fraser McArthur, Michael Gao, Raul Chong, Drew Bradstock, Clara Liu, Zamil Janmohamed

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Chapter 1. Introduction

The DB2 Universal Database (DB2 UDB) refers to a family of database products:

  • DB2 for Linux, UNIX, and Windows (distributed platforms, also referred to as DB2 LUW)

  • DB2 for iSeries

  • DB2 for z/OS (also referred to as DB2 zSeries)

Although each of these products have their own code base (which has been highly optimized for its intended hardware), application development and SQL support is fairly consistent across the platforms. All of these database products also support the DB2 SQL Procedural Language (SQL PL) but to varying degrees.

In the first edition of this book, we focused only on distributed platforms and have received very positive feedback on the approach we took to teach the SQL PL language. In this second edition, we ...

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