RailsConf 2019 - rails db:migrate:safely by Matt Duszynski

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RailsConf 2019 - rails db:migrate:safely by Matt Duszynski
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When you're dealing with fifty million records, simple migrations can become very dangerous. Come and learn from my mistakes instead of making your own. We'll talk about what's going on behind the scenes in your database, and how to safely write and run some common migrations. Remember, uptime begins at $HOME.




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