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        vadimkravcenko.com | ||
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              jakeyesbeck.com
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| | | | | As of Ruby on Rails 4.0.0, one does not need to reject columns from the database prior to removing them. Now all occurrences of that column can be removed while the column itself is also removed. Ruby on Rails applications depend greatly on databases, maintaining the proper structure of those databases with zero downtime is important. | |
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              www.martinfowler.com
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| | | | | Techniques to allow you to evolve the schema and contents of a production database | |
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              teamplify.com
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| | | | | The basic principles of zero-downtime DB migrations and quick recipes for the most common scenarios for MySQL and Postgres | |
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              www.longdelayspossible.com
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| | | Latest posts: Long Delays Possible... | ||