Why don’t we write a database file system? Isn’t a file system practically a database already? Isn’t layering an OS between the data and the database application slowing things down?
In: Engineering
Some operating systems have tried to do this, most notably BeOS with its Be file system. [Haiku](https://www.haiku-os.org/), an OS inspired by BeOS, inherited this, so you can still play around with it if you like. The query language isn’t SQL, but there *is* a query language that you can play around with.
That said, Ibam not aware of ant darabase that has rried to work directly on top of BFS. I’m not sure that even BFS provides all the infrastructure necessary to implement an ACID-compliant database from the filesystem alone.
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