Mark & David from Thinking Elixir on Ecto Queries
Elixir Wizards
Data Migrations - Data Migration?
So I've been doing a lot with the data migrations and Ecto. What are these two different types of migrations and why are they separate? And when you're implementing migrations, what are some things you need to do to make these things operate smoothly in production? Yeah, let's cover the easy one schema migrations. That's all about changing your schemas. The data itself is probably going to be input and inserted and updated all from application code. Data migrations are where you have to just do some bulk action on a bunch of data. There's not a good practice right now that big libraries are teaching you or telling you to use right. So we all
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