To fully detect, isolate, and resolve quality issues in a traditional, large-scale data warehouse requires that several approaches be used together. Wayne identifies types of data quality issues and then illustrates how to best attack and resolve those pesky issues.

Have you had customers report issues that cannot be reproduced in the test environment? Have you had defects leak into production because your test environment is not...

Joe Justice is a consultant at Scrum Inc. and inventor of the Extreme Manufacturing project management method. He also is the founder of Team WIKISPEED, an all-Scrum volunteer-based, "green” automotive prototyping company.

The question of how much design to do up-front on a project is an engaging one.  Too much design often results in overkill, complexity, and wasted effort. Too little design results in insufficient system structures that require later rework, additional complexity, and wasted effort.