<driver name="oracle" module="com.oracle">
 <driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
</driver>

<datasource jndi-name="java:/[NAME]" pool-name="OracleDS" enabled="true">
 <connection-url>jdbc:oracle:thin:@[HOST_NAME]:1521:[SID]</connection-url>
  <driver>oracle[has to match the driver name]</driver>
  <pool>
   <min-pool-size>1</min-pool-size>
   <max-pool-size>5</max-pool-size>
   <prefill>true</prefill>
  </pool>
  <security>
   <user-name>[USER]</user-name>
   <password>[PWD]</password>
  </security>
</datasource>