This is a web sql browser. I guess they recently switched to chrome so in newer versions it might be an idb thing but this problem is with web sql.
Settings > Privacy and security > Clear cache (Clear locally cached content and databases) does not work. I know this because after running the same test 10 times I finally changed the name of the database from abc to def and it worked. I also know this because there is old data I can access even after clearing the cache.