Refresher on Aggregates

Question:

You will need to know aggregate functions before attempting the other questions.

We would like to find the total weight of cats grouped by age. But only return those groups with a total weight larger than 12.


Return: age, sum(weight) Order by: age

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Desired output:

age total_weight
2 19.6
4 15.8
5 15.4
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Your output: