Third Purchase
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Given the transactions table below, write a query that finds the third purchase of every user.
Note: Sort the results by the user_id in ascending order. If a user purchases two products at the same time, the lower id field is used to determine which is the first purchase.
Example:
Input:
transactions table
| Columns | Type |
|---|---|
id |
INTEGER |
user_id |
INTEGER |
created_at |
DATETIME |
product_id |
INTEGER |
quantity |
INTEGER |
Output:
| Columns | Type |
|---|---|
user_id |
INTEGER |
created_at |
DATETIME |
product_id |
INTEGER |
quantity |
INTEGER |
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