Question: Database Systems Provide working SQL DML statements for the following database schema and queries EXERCISE CUSTOMER , Type, Firstname, Lastname, Address, City) INVENTORY(TD, ItemName, Type,

Database Systems

Database Systems Provide working SQL DML statements for the following database schema

Provide working SQL DML statements for the following database schema and queries EXERCISE CUSTOMER , Type, Firstname, Lastname, Address, City) INVENTORY(TD, ItemName, Type, MadeInStore, SupplierName, DailyAverageSold, Price) ORDERS(ID, customer-FI, Item-FK, Quantity, DeliveryDate) 3. Find the number of customers 4. Find the number of items in the inventory 5. For each item, find how many units of such item have been ordered Find the average number of items each customer has ordered 6

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