To complete this assignment, review the prompt and grading rubric in the Module Four Worksheet Activity Guidelines and Rubric. You will also need the Module Four Worksheet. When you have finished your work, submit the assignment here for grading and instructor feedback.
SQL & Data Management
Write a SQL query to find the second-highest salary from an Employee table without using LIMIT. Given a Sales table with Date, Product_ID, and Revenue, write a query to find the cumulative revenue per product over time. Design a normalized database schema for an e-commerce application handling customers, orders, and