Requires java 1.5 or later version of java.
Requires Oracle JDBC Thin driver ojdbc14.jar or ojdbc5.jar or ojdbc6.jar.
No installation required for Oracle JDBC driver.
No Oracle client required.
No installation required for MyOra.
No need to access Active Session History or ASH table.
No need to acesss Automatic Workload Repository or AWR tables.
No need to access DBA history tables.