Biggest Window Between Visits
['users-with-two-purchases-within-seven-days']
['Create table If Not Exists UserVisits(user_id int, visit_date date)', 'Truncate table UserVisits', "insert into UserVisits (user_id, visit_date) values ('1', '2020-11-28')", "insert into UserVisits (user_id, visit_date) values ('1', '2020-10-20')", "insert into UserVisits (user_id, visit_date) values ('1', '2020-12-3')", "insert into UserVisits (user_id, visit_date) values ('2', '2020-10-5')", "insert into UserVisits (user_id, visit_date) values ('2', '2020-12-9')", "insert into UserVisits (user_id, visit_date) values ('3', '2020-11-11')"]
{"mysql": ["Create table If Not Exists UserVisits(user_id int, visit_date date)"], "mssql": ["Create table UserVisits(user_id int, visit_date date)"], "oraclesql": ["Create table UserVisits(user_id int, visit_date date)", "ALTER SESSION SET nls_date_format='YYYY-MM-DD'"], "database": true, "name": "biggest_window", "pythondata": ["UserVisits = pd.DataFrame([], columns=['user_id', 'visit_date']).astype({'user_id':'Int64', 'visit_date':'datetime64[ns]'})"], "postgresql": ["\nCreate table If Not Exists UserVisits(user_id int, visit_date date)"], "database_schema": {"UserVisits": {"user_id": "INT", "visit_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']