You may expand to DB2, IMS etc. The question as usual IT is not everything. It is everything to us. But not to business. For new business. But most big bus

You may expand to DB2, IMS etc. The question as usual IT is not everything. It is everything to us. But not to business. For new business. But most big business started long time ago. If it makes business sense to migrate they would. Business sense. Of course in some it does make sense but it did not. USA tax ?