INTRODUCTION
About This Book
The DB2 10.5 release delivers one of the most game-changing technologies ever produced by the IBM Information Management development teams, let alone our competitors. We wrote this book with the intention of presenting to you those features that we think will prove to be most noteworthy in the DB2 10.5 release. We hope that this book inspires thought and a thirst for first-hand experience with the features that we describe.
We also hope that you enjoy reading this book as much as we enjoyed writing it!
Paul, Sam, Matt, Aamer, and George
How This Book Is Organized
We organized this book into six chapters that cover what we believe to be the highlights and key features found in the DB2 10.5 release.
Chapter 1 gives you the 101 on DB2 10.5. If you’ve got only 15 minutes, this is the chapter with the value proposition and an overview of what’s so great about DB2 10.5. We even give you a quick, but thorough, recap of the DB2 10.1 release.
In Chapter 2, we detail the features that DB2 10.5 adds to the DB2 pure Scale technology, which has been in the marketplace for almost half a decade. DB2 pureScale gets a boost to deliver even more performance, scalability, continuous availability (even during planned maintenance, such as applying DB2 Fix Packs without taking the cluster down), some nice multi-tenancy features, integrated disaster recovery services, and more.
If each chapter were a painting in a gallery, Chapter 3 is the Mona Lisa—it simply can’t be skipped. We cover the A–Z of BLU Acceleration, the inflection point technology that redefines in-memory columnar and takes it to a whole new level. We’ll frame the need for this technology, the seven big ideas that inspired it, and more.
Chapter 4 is the miscellaneous performance and SQL enhancements chapter; some of these enhancements are “in-your-face” performance improvements, and some are improvements that you never hear about, but that you’ll be glad to know are there.
What Chapter 4 does to performance, Chapter 5 does for high-availability and disaster recovery; specifically, this chapter covers the DB2 10.5 enhancements other than those associated with the DB2 pureScale features that we cover in Chapter 2.
Finally, Chapter 6 gives you a tour of what DB2 10.5 has done to extend its support for the NoSQL world: DB2 10.5 introduces a native JSON document store that can even run MongoDB applications without changing a single line of application code! (We assume that changing the connection string in your application is acceptable.) You’ll also find highlights of other NoSQL DB2 technology in this chapter (like the triple graph store that was introduced in the DB2 10.1 release), reasons why agility rules the enterprise of today, and more.
Let’s venture into the wild BLU yonder!
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