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Mar 20, 2013
Agile PDX presents Max Guernsey, "Test-Driven Database Development"

As developers, we've created heuristics that help us build robust systems and employed test-driven development (TDD) to improve code design and counter instability. Yet object-oriented development principles and TDD have failed to gain traction in the database world. That’s because database development involves an additional driving force—the data.

Max Guernsey shows how to treat databases as objects with classes of their own—rather than as containers of objects—and how to drive database designs from tests. He illustrates a way to give these database classes the ability to upgrade old data without introducing undue risk. Max also shares how to apply good object-oriented design principles to database classes and how to enforce semantic connections between databases and clients. Max demonstrates how it all works together, ensuring that your production databases work exactly the same as test databases, minimizing the risk of design changes, and enabling client applications to more easily keep up with database changes.

Come for pizza & networking from 6:30pm. The program starts at 7:00 pm.

Speaker Bio Max Guernsey is currently a Managing Member at Hexagon Software LLC. He has 15 years of experience as a professional software developer. For nearly half that time, he has been blogging, writing, and delivering lectures on the topic of agile and test-driven database development. For much of Max’s professional career, he has been a consultant, advising a variety of software companies in many different industries using multiple programming and database technologies. In most of these engagements, he spent months or even years helping teams implement cutting-edge techniques such as test-driven development, object-oriented design, acceptance-test-driven development, and agile planning.

Max has always been a “hands-on” consultant, working with teams for long periods of time to help them build both software and skills. This series of diverse, yet deep, engagements helped him gain a unique understanding of the database-related testing and design problems that impede most agile teams. Since 2005, he has been thinking, writing, blogging, lecturing, and creating developer-facing software dedicated to resolving these issues.

Max posts regularly on his Twitter account (@MaxGuernseyIII) and his blog (

Apr 17, 2013
Agile PDX Evening Nathaniel Cadwell - Coaching Creatives: New Ideas from Dead Artists

What do a 17th century painter’s workshop, an international photographic cooperative, and an early 20th century design house have in common with a modern software development team? On the surface it may not seem like much, but bringing a group of makers together to work presents special challenges and opportunities, regardless of field.

In this session we’ll explore what worked, and didn’t, for several groups of historical makers. We’ll draw parallels with agile software development teams, and discuss coaching strategies around the examples provided.

Nathaniel Cadwell has over thirteen years of strategic consulting experience in software development, Agile enablement, and change management, helping organizations achieve dramatic improvement in the efficiency of their software delivery. In his current role, Nathaniel is an Agile Coach working closely with software development teams. He has presented, or co-presented, sessions on Agile coaching, Agile portfolio management, and facilitation skills at multiple venues in the United States and abroad.

Details and Pizza:

This event is free. It begins at 6:30 pm with pizza, sponsored by PNSQC (Many thanks to both Puppet Labs and PNSQC for supporting agile in Portland).

The program starts at 7:00 pm.

After the program you're invited to join us for a no-host gathering at a nearby brewpub for further discussion.