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What's the syntax for dropping a database table column through a Rails migration?
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The change method can be used to drop a column in Rails 4 applications, but should not be used in Rails 3. I updated my answer accordingly. You can also use remove_column :table_name, :column_name, :type, :options within the change method, since if you specify the type reverting the migration is possible.
remove_column :table_name, :column_name For instance:
remove_column :users, :hobby would remove the hobby Column from the users table.
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