Did you check the variation of sqlplus sql developer 4.1 is giving, is
interesting has additional features to sql plus
you can check the video
https://www.youtube.com/watch?v=HApdy-o525A
http://www.oracle.com/technetwork/developer-tools/sql-developer/downloads/sqldev-41ea-2372780.html
I'm asking them if they can configure it for advanced long script running,
this means stop when there are some errors, but skip for other like
duplicate primary key, or column already exists, etc.