Transactions in the Last 5 Days
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Let’s say you work at a bank.
Using the bank_transactions table, find how many users made at least one transaction each day in the first five days of January 2020.
bank_transactions table
| Column | Type |
|---|---|
user_id |
INTEGER |
created_at |
DATETIME |
transaction_value |
FLOAT |
id |
INTEGER |
Output:
| Column | Type |
|---|---|
number_of_users |
INTEGER |
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