I built a desktop app that is based on Sqlite, and it is extended to handle other separators. Not sure if this is what you are looking for. You can try it out

I built a desktop app that is based on Sqlite, and it is extended to handle other separators. Not sure if this is what you are looking for. You can try it out: https://superintendent.app https://superintendent.app PS. it also loads GBs of file in 10-20s because that part is written in C.