Question

What is the terminal command, or where is a good resource to get them, to alter a table. And, do I need to re run the $rake db:migrate after I do this? I am running RoR on Snow Leopard. Last question, can I make an already created column non-null.

UPDATE: figured out how to alter, just need to know if I need to rake db:migrate after alter.

Answer 1

good resource to get them, to alter a
table

Check these to get a grasp at how migrations work

Rails Migrations Cheatsheet

Railsguides: Migrations

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@run rake db:migrate: yes

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@created to non-null: yes (Check 7.1 add_column and 7.2 change_column in the first link