ZiKDB
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- Make the file system an actual database
- Fully embedded, literally a directory to run SQL on (like sqlite but for files)
- Let's say... no hidden files? No hidden metadata? To insert simply add a file!
- Every file is a tuple
- Extended file attributes are "attributes" (columns)
- The file has actual content, like photos
- Directory hierarchy is index (primary index)
- Means a single primary key
- A query returns a set of file descriptors <FD>
- "Standard" SQL
- Schema is top level of directory
- Table is level under
- Everything under are leaves in the index
- SELECT * FROM schema.table WHERE x=5 just returns a bunch of paths