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Database Refactoring: testing and data validation
Posted by: Wayne Rasmussen
Date: October 09, 2014 07:05PM

In the Refactoring Databases, they suggest testing your database. To test the schema, the db application, VALIDATE data migration. In particular, when refactoring you have to check: Stored proceedures, Triggers, Referential Integrity (rules), View Definitions, Default values for columns, and Data Invariations. They suggest using a TDD approach.

The first thing that is needed is to write unit tests. How are devs creating these tests? Is there some mySQL tool for that? Should I use PHP to create them myself?

They also mention SQLUnit and DBUnit for managing test data and testing Stored Procedures. Any other tools that people might recommend?

When the schema is modified through refactoring, you will have data migration that needs to be validated. Is this also normally done through manually created code or are there tools to test that conversions are valid? Is this also a good time to use rollbacks?

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