Cockroach Labs, which makes the SQL database CockroachDB, raises a $278M Series F at a $5B valuation, after raising $160M at a $2B valuation in January (Ron Miller/TechCrunch)

Ron Miller / TechCrunch:
Cockroach Labs, which makes the SQL database CockroachDB, raises a $278M Series F at a $5B valuation, after raising $160M at a $2B valuation in January  —  Cockroach Labs, makers of CockroachDB, has been raking in money this year.  It started the year with a $160 million Series E …