...\Tomcat6.0\conf\Catalina\localhost\aa.xml

<!-- oracle setting -->
<Context>
<Resource name="jdbc/oracle" type="javax.sql.DataSource" username="aa"
    password="aa"
    driverClassName="oracle.jdbc.driver.OracleDriver"
    maxIdle="2" maxWait="5000"
    url="jdbc:oracle:thin:@11.22.33.44:1521:orcl"
    maxActive="4" />
</Context>


<!-- mysql setting
<Context>
<Resource name="jdbc/mysql" type="javax.sql.DataSource" username="root"
    password="root"
    driverClassName="com.mysql.jdbc.Driver"
    maxIdle="2" maxWait="5000"
    url="jdbc:mysql://localhost:3306/sshe?useUnicode=true&amp;characterEncoding=utf-8"
    maxActive="4" />
</Context>     -->

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