liquibase.xml

<changeSet author="liquibase-docs" id="createTable-example">
    <createTable catalogName="cat"
            remarks="A String"
            schemaName="public"
            tableName="person"
            tablespace="A String">
        <column name="address" type="varchar(255)"/>
    </createTable>
</changeSet>

rails.rb

class cat < ActiveRecord::Migration
  def change
    create_table :person do |t|
      t.string :address
      t.timestamps
    end
  end
end