To many people, Bitcoin will be the perfect instrument to disrupt the banking industry as we know it, whether it is on a personal or corporate level. At the same time, the banks are flocking to blockchain technology to improve their services and offer slightly more transparency to their customers. Blockchain technology will be a part of any type of business as things will be taken well beyond the financial sector over the next few years.
https://news.bitcoin.com/blockchain-will-major-part-business/This article just briefly described the use cases of blockchain! It is not about technical stuff. If company creates its own blockchain, the blockchain is only run by itself! So how is it different from database?