SQL Exercises: Highest purchase amount on a particular date for individual salesman

SQL Aggregate Functions: Exercise-11 with Solution

From the following table, write a SQL query to determine the highest purchase amount made by each salesperson on '2012-08-17'. Return salesperson ID, purchase amount.

Sample table: orders

Sample Solution :

SELECT salesman_id,MAX(purch_amt) 
FROM orders 
WHERE ord_date = '2012-08-17' 
GROUP BY salesman_id;

Output of the Query:

salesman_id	max
5003		110.50
5007		75.29

Relational Algebra Expression:

Relational Algebra Tree:

Explanation:

Pictorial presentation :

Practice Online

Query Visualization:

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Previous: From the following table, write a SQL query to find the highest purchase amount ordered by each customer on a particular date. Return, order date and highest purchase amount.
Next: From the following table, write a SQL query to find highest order (purchase) amount by each customer in a particular order date. Filter the result by highest order (purchase) amount above 2000.00. Return customer id, order date and maximum purchase amount.