I understand that I have never dealt with really large datasets, whether as a hobby or as a professional (doing econometrics and related analytical work). What

I understand that I have never dealt with really large datasets, whether as a hobby or as a professional (doing econometrics and related analytical work). What it's not clear to me is what TSDBs (such as those listed by Wikipedia; I looked a bit into InfluxDB particularly) do better than RDBMSes. This isn't "negative" skepticism, it's an earnest lack of knowledge.