- 01COUNT Per CategoryFree→
- 02SUM Of Orders By StatusFree→
- 03AVG Price Per CategoryFree→
- 04MIN And MAX Stock Per CategoryLocked→
- 05Counting Orders Per CustomerLocked→
- 06SUM Of Items Ordered Per ProductLocked→
- 07AVG Salary Per DepartmentLocked→
- 08Counting Suppliers Per CityLocked→
- 09MIN And MAX Dates Of Orders Per StatusLocked→
- 10SUM Of Inventory Changes Per ReasonLocked→
