Some months ago I started work on a way to test random, valid SQL in CockroachDB. This is important to expose unintended behavior in our server.
We have added a new feature: time-travel queries. To our knowledge, we are the first database to have implemented the them.
SQL grammar diagrams feature easy-to-understand railroad diagrams showing possible options for a SQL statement. Compared to a text representation...
I experimented with implementing the Redis protocol on top of CockroachDB, scratching the itch on the question: Could CockroachDB ever replace Redis?