This book describes, in detail, how to
refactor a database schema
to improve its design. The first section of the book overviews the fundamentals evolutionary database techniques in
general and of database refactoring in detail. More importantly it
presents strategies for implementing and deploying database refactorings, in
the context of both "simple" single application databases and in "complex"
multi-application databases. The second section, the majority of the
book, is a
database refactoring reference catalog. It describes over 60 database refactorings, presenting
data models overviewing each refactoring and the code to implement it.