1. Write SQL query to find the unique customer id from Orders.

Write SQL query in the box below (Text Format Only) [1 Marks]

2. Write SQL query to sort the orders table by Order date ascending first and then by amount descending.

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3. Write SQL query to find the total amount of sales done by each salesperson_id from the Orders table (Hint: GROUP BY is needed here).

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Consider the following 3 tables below. Customer Salesperson 78 Name Age Salary 1 Abe 61 140000 2 Bob 34 44000 ID Name City Industry Type 4 Samsonic pleasant 6 Panasung oaktown J 7 Samony jackson B 9 Orange Jackson B 5 Chris 34 40000 7 Dan 41 52000 8 Ken 57 115000 11 Joe 38 38000 Orders Number order date cust id salesperson id Amount 10 8/2/96 4 2 540 20 1/30/99 4 8 1800 30 7/14/95 9 1 460 40 1/29/98 7 2 2400 50 2/3/98 6 7 600 60 3/2/98 6 7 720 70 5/6/98 9 9 7 150