https://github.com/chenjinghao/SQL_Practice

Level: Medium

• 1934 Confirmation Rate
• 176 Second Highest Salary
• 1054 Customers Who Bought All Products
• 1070. Product Sales Analysis III
• 550 Game Play Analysis 4
• 1174 Immediate Food Delivery 2
• 570 Managers with at Least 5 Direct Reports
• 1193 Monthly Transactions 1

Level: Easy

• 1757. Recyclable and Low-Fat Products
• 584. Find Customer Referee
• 595 Big Countries