March 2006
Intermediate to advanced
384 pages
7h 42m
English
Content preview from Refactoring Databases: Evolutionary Database Design
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Chapter 6Structural Refactorings
Structural refactorings, as the name implies, change the table structure of your database schema. The structural refactorings are as follows:
• Drop Column
• Drop Table
• Drop View
• Introduce Calculated Column
• Introduce Surrogate Key
• Merge Columns
• Merge Tables
• Move Column
• Rename Column
• Rename Table
• Rename View
• Replace Large Object (LOB) With Table
• Replace Column
• Replace One-to-Many With Associative Table
• Replace Surrogate Key With Natural Key
• Split Column
• Split Table
Common Issues When Implementing Structural Refactorings
When implementing structural refactorings, you need to consider several common issues when updating the database schema, including the following:
1. Avoid ...
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