Users With Two Purchases Within Seven Days
['biggest-window-between-visits']
['Create table If Not Exists Purchases (purchase_id int, user_id int, purchase_date date)', 'Truncate table Purchases', "insert into Purchases (purchase_id, user_id, purchase_date) values ('4', '2', '2022-03-13')", "insert into Purchases (purchase_id, user_id, purchase_date) values ('1', '5', '2022-02-11')", "insert into Purchases (purchase_id, user_id, purchase_date) values ('3', '7', '2022-06-19')", "insert into Purchases (purchase_id, user_id, purchase_date) values ('6', '2', '2022-03-20')", "insert into Purchases (purchase_id, user_id, purchase_date) values ('5', '7', '2022-06-19')", "insert into Purchases (purchase_id, user_id, purchase_date) values ('2', '2', '2022-06-08')"]
{"mysql": ["Create table If Not Exists Purchases (purchase_id int, user_id int, purchase_date date)"], "mssql": ["Create table Purchases (purchase_id int, user_id int, purchase_date date)"], "oraclesql": ["Create table Purchases (purchase_id int, user_id int, purchase_date date)", "ALTER SESSION SET nls_date_format='YYYY-MM-DD'"], "database": true, "name": "find_valid_users", "pythondata": ["Purchases = pd.DataFrame([], columns=['purchase_id', 'user_id', 'purchase_date']).astype({'purchase_id':'Int64', 'user_id':'Int64', 'purchase_date':'datetime64[ns]'})"], "postgresql": ["Create table If Not Exists Purchases (purchase_id int, user_id int, purchase_date date)"], "database_schema": {"Purchases": {"purchase_id": "INT", "user_id": "INT", "purchase_date": "DATE"}}}
{"mysql": ["MySQL", "<p><code>MySQL 8.0</code>.</p>"], "mssql": ["MS SQL Server", "<p><code>mssql server 2019</code>.</p>"], "oraclesql": ["Oracle", "<p><code>Oracle Sql 11.2</code>.</p>"], "pythondata": ["Pandas", "<p>Python 3.10 with Pandas 2.2.2 and NumPy 1.26.4</p>"], "postgresql": ["PostgreSQL", "<p>PostgreSQL 16</p>"]}
['Database']