If you bill your clients for licenses and add some markup on that then you make money from it. Also some customers feel more safe when they know they've paid $

If you bill your clients for licenses and add some markup on that then you make money from it. Also some customers feel more safe when they know they've paid $10 000 or probably more for an oracle license. Source: I once suggested to my boss that maybe we could save around $10 000 pr customer site and also save ourselves tons of work by using Postgres instead.