Weblogic is going to use the JDBC driver you select for the DataSource to connect to the database. If SSL is supported by the driver and properly configured, WLS will use it.
The standard JDBC does not support SSL connection to DB, but Oracle's JDBC extension (oci) does. The UI for Datasource configuration would be different if you use SSL: user id/password as well as client cert location etc.
Not sure if WLS has such UI? [ January 18, 2007: Message edited by: Matt Brown ]
"I just use my muscles as a conversation piece, like someone walking a cheetah down 42nd Street." - Arnold Schwarzenegger
Don't get me started about those stupid light bulbs.