Question: Given a database with tables for Orders , Customers , Products , and OrderDetails , write complex SQL queries to: Find the total revenue generated

  • Given a database with tables for Orders, Customers, Products, and OrderDetails, write complex SQL queries to:
    • Find the total revenue generated by each product category in the last quarter.
    • List the top 5 customers by total purchase amount within the last year.
    • Identify products that have never been ordered.
    • Calculate the average time between order placement and shipment for orders shipped last month.

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