https://click4r.com/posts/g/18....185738/emerging-cura
https://telegra.ph/Tips-On-How....-To-Specific-Custome
To perform a lookup and open a connection to the database logically certain to the JNDI name, use the logical JNDI name. Doing this requires casting the lookup result, which is otherwise a Java Object, to OracleDataSource and then using its getConnection method to open the connection. Creating and registering knowledge sources is typically dealt with by a JNDI administrator, not in a JDBC application. Us