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Test-Driven Database Development: Unlocking Agility
book

Test-Driven Database Development: Unlocking Agility

by Max Guernsey III
February 2013
Intermediate to advanced content levelIntermediate to advanced
352 pages
7h 45m
English
Addison-Wesley Professional
Content preview from Test-Driven Database Development: Unlocking Agility

Chapter 12. Legacy Databases

No process can be whole until it has a way to enlist artifacts created before its discovery. In the application world—where designs are relatively easy to change or dispose of—this is true. In the database world—where knowledge adds weight to deployed designs—it goes double.

Legacy databases are typically enormous wads of unspecified behavior. The way they are built and upgraded tends to not conform to the standards set by this book. Before you can think about maintaining any legacy database, you have to coerce it into a class of databases so that you can later write tests.

Rarely does such a design have strong encapsulation and only expose the behaviors that are actually needed. You’ll want to work toward good encapsulation ...

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Publisher Resources

ISBN: 9780132776486Purchase book