/2 My short summary is as follows:
🔹Relational database. Almost anything could be solved by them.
🔹In-memory store. Their speed and limited data size make them ideal for fast operations.
🔹Time-series database. Store and manage time-stamped data. pic.twitter.com/usmXNTAItW

— Alex Xu (@alexxubyte) December 7, 2022