Elixir Wizards cover image

Mark & David from Thinking Elixir on Ecto Queries

Elixir Wizards

CHAPTER

Ecto Migrations

Ecto migrations are a way of keeping track in the database of which migrations have been run. Acto will read that table and determine what is my latest one that I am currently at. And then it compares that to the migration files that are present on your code base. It tries to figure out which ones are remaining that still need to be run. Then it'll pick up from there and execute. The particular of how those migrations like work know that they've run or not is that rails does this and acto does as well.

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