Chapter 1. Introduction to DB2
DATABASE 2 (DB2) for Linux, UNIX, and Windows is a data server developed by IBM. Version 9.5, available since October 2007, is the most current version of the product, and the one on which we focus in this book.
In this chapter you will learn about the following:
The history of DB2
The information management portfolio of products
How DB2 is developed
DB2 server editions and clients
How DB2 is packaged for developers
Syntax diagram conventions
Brief History of DB2
Since the 1970s, when IBM Research invented the Relational Model and the Structured Query Language (SQL), IBM has developed a complete family of data servers. Development started on mainframe platforms such as Virtual Machine (VM), Virtual Storage Extended (VSE), ...