SQL Exercises: Display customer name, city, grade (according to the smallest ID)

SQL Formatting Output: Exercise-6 with Solution

From the following table, write a SQL query to find all the customers. Sort the result-set by customer_id. Return cust_name, city, grade.

Sample table: customer

Sample Solution:

SELECT cust_name,city,grade 
FROM customer 
ORDER BY customer_id;

Output of the Query:

cust_name	city		grade
Brad Guzan	London	
Nick Rimando	New York	100
Jozy Altidor	Moscow		200
Fabian Johnson	Paris		300
Graham Zusi	California	200
Brad Davis	New York	200
Julian Green	London		300
Geoff Cameron	Berlin		100

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 all the orders. Sort the result-set in descending order by ord_date and purch_amt. Return all fields.
Next: From the following table, write a SQL query to calculate the maximum purchase amount generated by each salesperson for every order date. Sort the result-set by salesperson id and order date in ascending order. Return salesperson id, order date and maximum purchase amount.