my_app-1.0.xml

<?xml version="1.1" encoding="UTF-8" standalone="no"?>
<databaseChangeLog 
    xmlns="http://www.liquibase.org/xml/ns/dbchangelog" 
    xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" 
    xmlns:pro="http://www.liquibase.org/xml/ns/pro" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext 
                        http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd 
                        http://www.liquibase.org/xml/ns/pro 
                        http://www.liquibase.org/xml/ns/pro/liquibase-pro-4.1.xsd 
                        http://www.liquibase.org/xml/ns/dbchangelog 
                        http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.1.xsd">
    <changeSet author="Darin Pope" id="create-countries">
        <createTable tableName="countries">
            <column autoIncrement="true" name="id" type="INT">
                <constraints nullable="false" primaryKey="true"/>
            </column>
            <column name="iso" type="VARCHAR(2)">
                <constraints nullable="false"/>
            </column>
            <column name="iso3" type="VARCHAR(3)">
                <constraints nullable="false"/>
            </column>
            <column name="iso_numeric" type="INT">
                <constraints nullable="false"/>
            </column>
            <column name="country_name" type="VARCHAR(64)">
                <constraints nullable="false"/>
            </column>
            <column name="capital" type="VARCHAR(64)">
                <constraints nullable="false"/>
            </column>
            <column name="continent_code" type="VARCHAR(2)">
                <constraints nullable="false"/>
            </column>
            <column name="currency_code" type="VARCHAR(3)">
                <constraints nullable="false"/>
            </column>
      </createTable>
    </changeSet>
</databaseChangeLog>