Introduction
ROWS
RANGE
17. Range – practice 2
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Summary

## Instruction

Well done! Two more exercises to go.

## Exercise

For each StockChange, show its Id, the ChangedDate, and the number of stock changes that took place on the same day or any time earlier. Name this column StockChangeNumber.

### Stuck? Here's a hint!

You'll need to use RANGE UNBOUNDED PRECEDING.