March 2006
Intermediate to advanced
384 pages
7h 42m
English
Content preview from Refactoring Databases: Evolutionary Database Design
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Chapter 5Database Refactoring Strategies
Knowing more today than yesterday is good news about today, not bad news about yesterday.
—Ron Jeffries
This chapter describes some of our experiences with database refactoring on actual projects, and suggests a few potential strategies that you may want to consider. In many ways, this chapter summarizes a collection of “lessons learned” that we hope will help your adoption efforts. These lessons include the following:
• Smaller changes are easier to apply.
• Uniquely identify individual refactorings.
• Implement a large change by many small ones.
• Have a database configuration table.
• Prefer triggers over views or batch synchronization.
• Choose a sufficient deprecation period.
• Simplify your ...
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