<datasources>
                <datasource jndi-name="java:jboss/datasources/ExampleDS" pool-name="ExampleDS" enabled="true" use-java-context="true">
                    <connection-url>jdbc:h2:mem:test;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE</connection-url>
                    <driver>h2</driver>
                    <security>
                        <user-name>sa</user-name>
                        <password>sa</password>
                    </security>
                </datasource>
                <datasource jndi-name="java:jboss/datasources/test" pool-name="testDS2" enabled="true" use-java-context="true">
                    <connection-url>jdbc:mysql://localhost:3306/test</connection-url>
                    <driver>mysql</driver>
                    <security>
                        <user-name>root</user-name>
                    </security>
                </datasource>
                <datasource jndi-name="java:jboss/datasources/MySQL-DS" pool-name="MySQL" enabled="true" use-java-context="true">
                    <connection-url>jdbc:mysql://localhost:3306/mysql-test</connection-url>
                    <driver>mysql</driver>
                    <security>
                        <user-name>mysql</user-name>
                        <password>mysql</password>
                    </security>
                </datasource>
                <drivers>
                    <driver name="h2" module="com.h2database.h2">
                        <xa-datasource-class>org.h2.jdbcx.JdbcDataSource</xa-datasource-class>
                    </driver>
                    <driver name="mysql" module="com.mysql">
                        <xa-datasource-class>com.mysql.jdbc.Driver</xa-datasource-class>
                    </driver>
                </drivers>
            </datasources>