> It's not expensive when dimensions are just columns in the custom table schema, like for example in TimescaleDB or kdb+/q. kdb+/q (not exactly sure) is the o

> It's not expensive when dimensions are just columns in the custom table schema, like for example in TimescaleDB or kdb+/q. kdb+/q (not exactly sure) is the one that is used heavily in finance, correct? [EDIT] - Yup[0][1]. I'm not sure how many competitors there are but last time I heard about kdb it seemed like they were pretty much the go-to choice outside comp sci land (which is normally preoccupied with influx, prometheus, timescale, etc). There's probably a reason it's trusted by those other fields. [0]: https://kx.com/ https://kx.com/ [1]: https://code.kx.com/home/ https://code.kx.com/home/