Definition:
A database refactoring is a simple change to a database schema that improves its design while retaining both its behavioral and informational semantics.
Further Reading:
Book: Disciplined Agile Delivery by Scott Ambler and Mark Lines.
Tag: Scott Ambler.
Goal Question Metric | Glossary
Definition:
A set of questions is used to define models of the object of study and then focuses on that object to characterize the assessment or achievement of a specific goal. Quantitative level (Metric) A set of metrics, based on the models, is associated with every question in order to answer it in a measurable way.
Further Reading:
Book: Disciplined Agile Delivery by Scott Ambler and Mark Lines.