MySQL in a Nutshell -- This book clearly documents every detail you need to master MySQL. In addition to providing a thorough reference to MySQL statements and functions, the administrative utilities, and the most popular APIs, this book even includes several tutorial chapters to help newcomers get started. This wealth of information is conveniently packed into a concise, comprehensive, and easy-to-use format. Sample Chapter 6, Date and Time Functions (PDF) is available free online.

Join Us at OSCON 2005 -- Register now for the 7th Annual O'Reilly Open Source Convention to be held on August 1-5 at the Oregon Convention Center in Portland. Join with fellow programmers and users, learn about the newest features and versions, get the big picture on open source trends and innovations, and make priceless new connections. Be sure to sign up before early registration ends on Monday, June 20, and save up to $300.

History of Programming Languages -- For 50 years, computer programmers have been writing code, and now, there are more than 2,500 documented programming languages. O'Reilly has produced a poster called History of Programming Languages, which plots over 50 programming languages on a multi-layered, color-coded timeline. The poster is available online in PDF format, but while supplies last, U.S. residents can also get a hard copy of the poster free when purchasing two books through oreilly.com.

OSCON Open Source Business Review -- Join us at the O'Reilly Open Source Business Review (OSBR), taking place during our renowned Open Source Convention in Portland, Oregon from August 1-5. The OSBR is two days of premium, executive-level presentations designed for IT practitioners, both managers and technologists. Come expand your knowledge through real-world case studies, rapid-fire presentations, and innovative speakers from the leading open source projects. Be sure to sign up before OSCON early registration ends on June 20.

Linux/Unix SysAdmin Certificate Special -- Learn system administration skills online and receive certification from the University of Illinois Office of Continuing Education. Courses include: The Unix File System, Networking and DNS, Unix Services (including email and web servers), and Scripting for Administrators with Sed, Awk, and Perl. It's all at the O'Reilly Learning Lab. Enroll today and save 40%.

EuroOSCON CFP Now Open -- The O'Reilly European Open Source Convention 2005, to be held on October 17-20 in scenic Amsterdam, will explore the best and newest open source technologies. We're interested in all aspects of building applications, services, and systems that utilize the capabilities of the open source platform. Session and tutorial proposals are due by midnight, May 23rd. Submit your proposal today.

How to Build a Nonprofit for Your Community -- Many open source projects have already created nonprofit organizations that support their communities, while other projects are considering ways to establish nonprofits. David Boswell details how mozdev.org built a nonprofit organization and shows you how to do the same for your community. He covers fundraising, obtaining legal advice, staffing, and more. David is the coauthor of Creating Applications with Mozilla.

Early Registration Open for OSCON 2005 -- OSCON 2005, to be held in Portland on August 1-5, explores three deep trends affecting open source: the commoditization of software, network-enabled collaboration, and software customizability. Join us at this essential gathering of open source leaders and practitioners to exchange ideas and push the boundaries of vital open source technologies. This year, we introduce the Open Source Business Review, along with a host of other exciting presentations and events. Register by June 13 and save $400.