This is my series of articles covering short “today I learned” topics as I work with CockroachDB. Read the previous installments: 

Volume 1
Volume 2
Volume 3
Volume 4
Volume 5
Volume 6

Topic 1: Show Last Query Statistics

CockroachDB has a very user-friendly and helpful UI called DB Console. I like to refer to it when I debug query performance. There is a very useful Statements page that shows a statement overview and explains plans and execution stats.