SQL Exercises: Find customer details (within a specific range) and purchase amount more than a specific amount

SQL Aggregate Functions: Exercise-16 with Solution

From the following table, write a SQL query to find the maximum order (purchase) amount for each customer. The customer ID should be in the range 3002 and 3007(Begin and end values are included.).Filter the rows for maximum order (purchase) amount is higher than 1000. Return customer id and maximum purchase amount.

Sample table: orders

Sample Solution:

SELECT customer_id,MAX(purch_amt) 
FROM orders 
WHERE customer_id BETWEEN 3002 and 3007 
GROUP BY customer_id 
HAVING MAX(purch_amt)>1000;

Output of the Query:

customer_id	max
3002		5760.00
3007		2400.60
3004		1983.43

Relational Algebra Expression:

Relational Algebra Tree:

Explanation:

Pictorial presentation :

Practice Online

Query Visualization:

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Cost:

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Previous: From the following table, write a SQL query to find the maximum order (purchase) amount by each customer. The customer ID should be in the range 3002 and 3007(Begin and end values are included.). Return customer id and maximum purchase amount.
Next: From the following table, write a SQL query to find the maximum order (purchase) amount generated by each salesperson. Filter the rows for the salesperson ID is in the range 5003 and 5008 (Begin and end values are included.). Return salesperson id and maximum purchase amount.