sql - How to categorize customers based on number of transactions they've done in previous months?

Question

I have a table that looks like follows:

CustomerID	Month	Total transactions
1	1	3
1	2	2
2	12	5
2	11	1
2	11	7
3	4	13
3	5	3
...	...	...

question from:https://stackoverflow.com/questions/66052417/how-to-categorize-customers-based-on-number-of-transactions-theyve-done-in-prev

Answer 1

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