QuerydrillAverage paid order
An SQL exercise from Querydrill. Solve it with a SQL editor in your browser, checked on the rows it returns and again on changed data, and it is checked the moment you submit.
The task
Return the average amount of paid orders, rounded to 2 decimals.
What this exercise teaches
Round at the very end, after aggregating, so rounding errors do not pile up.
A hint if you get stuck
ROUND(value, 2) around the AVG.
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