Given: key | value | timestamp ----|-------|---------- a | 1 | mon b | 2 | wed b | 3 | thu Select the latest (largest timestamp) for each key. I.e., find `(a-> 1)`, and `(b ->3)`
Given:
Select the latest (largest timestamp) for each key.
I.e., find
(a-> 1), and(b ->3)