doctrine2/tests/schema.xml

<?xml version="1.0" encoding="ISO-8859-1" ?>
<schema>
  <tables>
      <user>
          <name>user</name>
          <class>User</class>
          <columns>
              <column>
                  <name>id</name>
                  <type>integer</type>
                  <notnull>true</notnull>
                  <autoincrement>true</autoincrement>
              </column>
              <column>
                  <name>username</name>
                  <type>string</type>
                  <length>20</length>
                  <notnull>true</notnull>
              </column>
          </columns>
      </user>

      <group>
          <name>group</name>
          <class>Group</class>
          <columns>
              <column>
                  <name>id</name>
                  <type>integer</type>
                  <notnull>true</notnull>
                  <autoincrement>true</autoincrement>
              </column>
              <column>
                  <name>name</name>
                  <type>string</type>
                  <length>20</length>
                  <notnull>true</notnull>
              </column>
          </columns>
      </group>
  </tables>
</schema>