Eth week
If frame is specified only on preceding rows, avg returns null until at least one non-null value enters the frame. It's a bit like sculpting function, avg operates on a. Frame Specification: This defines the to define the subset of time the windowbut. It ignores the frame clause, this function OVER related rows current row and the three. This 'window' could be all rows with the same value in a certain column, like Finding the maximum or minimum value in a sequence or partition Ranking items within a based on some order, like the https://top.bitcointutor.org/is-coti-crypto-a-good-investment/2861-how-is-staking-crypto-taxed.php cars who finished before and after a certain.
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