Possible doesn't mean realistic. As stated, 99.99% of companies are not going to come close to understanding, forking, and running their own build of a database.
It's better to practice proper vendor management and weigh all the risks and realities instead. If you're not more capitalized and viable then your vendor, then you have more important things to worry about then your vendor disappearing overnight.
It's better to practice proper vendor management and weigh all the risks and realities instead. If you're not more capitalized and viable then your vendor, then you have more important things to worry about then your vendor disappearing overnight.