Number of Transactions per Visit
['find-the-missing-ids']
['Create table If Not Exists Visits (user_id int, visit_date date)', 'Create table If Not Exists Transactions (user_id int, transaction_date date, amount int)', 'Truncate table Visits', "insert into Visits (user_id, visit_date) values ('1', '2020-01-01')", "insert into Visits (user_id, visit_date) values ('2', '2020-01-02')", "insert into Visits (user_id, visit_date) values ('12', '2020-01-01')", "insert into Visits (user_id, visit_date) values ('19', '2020-01-03')", "insert into Visits (user_id, visit_date) values ('1', '2020-01-02')", "insert into Visits (user_id, visit_date) values ('2', '2020-01-03')", "insert into Visits (user_id, visit_date) values ('1', '2020-01-04')", "insert into Visits (user_id, visit_date) values ('7', '2020-01-11')", "insert into Visits (user_id, visit_date) values ('9', '2020-01-25')", "insert into Visits (user_id, visit_date) values ('8', '2020-01-28')", 'Truncate table Transactions', "insert into Transactions (user_id, transaction_date, amount) values ('1', '2020-01-02', '120')", "insert into Transactions (user_id, transaction_date, amount) values ('2', '2020-01-03', '22')", "insert into Transactions (user_id, transaction_date, amount) values ('7', '2020-01-11', '232')", "insert into Transactions (user_id, transaction_date, amount) values ('1', '2020-01-04', '7')", "insert into Transactions (user_id, transaction_date, amount) values ('9', '2020-01-25', '33')", "insert into Transactions (user_id, transaction_date, amount) values ('9', '2020-01-25', '66')", "insert into Transactions (user_id, transaction_date, amount) values ('8', '2020-01-28', '1')", "insert into Transactions (user_id, transaction_date, amount) values ('9', '2020-01-25', '99')"]
{"mysql": ["Create table If Not Exists Visits (user_id int, visit_date date)", "Create table If Not Exists Transactions (user_id int, transaction_date date, amount int)"], "mssql": ["Create table Visits (user_id int, visit_date date)", "Create table Transactions (user_id int, transaction_date date, amount int)"], "oraclesql": ["Create table Visits (user_id int, visit_date date)", "Create table Transactions (user_id int, transaction_date date, amount int)", "ALTER SESSION SET nls_date_format='YYYY-MM-DD'"], "database": true, "name": "draw_chart", "pythondata": ["Visits = pd.DataFrame([], columns=['user_id', 'visit_date']).astype({'user_id':'Int64', 'visit_date':'datetime64[ns]'})", "Transactions = pd.DataFrame([], columns=['user_id', 'transaction_date', 'amount']).astype({'user_id':'Int64', 'transaction_date':'datetime64[ns]', 'amount':'Int64'})"], "postgresql": ["\nCreate table If Not Exists Visits (user_id int, visit_date date)\n", "Create table If Not Exists Transactions (user_id int, transaction_date date, amount int)"], "database_schema": {"Visits": {"user_id": "INT", "visit_date": "DATE"}, "Transactions": {"user_id": "INT", "transaction_date": "DATE", "amount": "INT"}}}
{"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']