I suspect you're looking for https://github.com/Wisser/Jailer https://github.com/Wisser/Jailer . (I'd seen it before as well, couldn't remember the name immedi

I suspect you're looking for https://github.com/Wisser/Jailer https://github.com/Wisser/Jailer . (I'd seen it before as well, couldn't remember the name immediately, and googled for `sql database subset relation export tool` to find it again.)