SQL Exercise: Display orders after sorting orders by order number

Last update on September 24 2025 10:33:36 (UTC/GMT +8 hours)

All Orders Sorted by Order Number

From the following table, write a SQL query to find all the orders. Sort the result-set in ascending order by ord_no. Return all fields.

Sample table: orders

ord_no      purch_amt   ord_date    customer_id  salesman_id
----------  ----------  ----------  -----------  -----------
70001       150.5       2012-10-05  3005         5002
70009       270.65      2012-09-10  3001         5005
70002       65.26       2012-10-05  3002         5001
70004       110.5       2012-08-17  3009         5003
70007       948.5       2012-09-10  3005         5002
70005       2400.6      2012-07-27  3007         5001
70008       5760        2012-09-10  3002         5001
70010       1983.43     2012-10-10  3004         5006
70003       2480.4      2012-10-10  3009         5003
70012       250.45      2012-06-27  3008         5002
70011       75.29       2012-08-17  3003         5007
70013       3045.6      2012-04-25  3002         5001

Sample Solution:

-- This query selects all columns from the 'orders' table and orders the result set by the 'ord_no' column.
SELECT *
-- Specifies the table from which to retrieve the data (in this case, 'orders').
FROM orders
-- Orders the result set by the 'ord_no' column in ascending order (default order).
ORDER BY ord_no;

Output of the Query:

ord_no	purch_amt	ord_date	customer_id	salesman_id
70001	150.50		2012-10-05	3005		5002
70002	65.26		2012-10-05	3002		5001
70003	2480.40		2012-10-10	3009		5003
70004	110.50		2012-08-17	3009		5003
70005	2400.60		2012-07-27	3007		5001
70007	948.50		2012-09-10	3005		5002
70008	5760.00		2012-09-10	3002		5001
70009	270.65		2012-09-10	3001		5005
70010	1983.43		2012-10-10	3004		5006
70011	75.29		2012-08-17	3003		5007
70012	250.45		2012-06-27	3008		5002
70013	3045.60		2012-04-25	3002		5001

Code Explanation:

The said SQL query retrieves all columns from the 'orders' table and returns the result sorted in ascending order based on the "ord_no" column. The "ORDER BY ord_no" clause sorts the rows in the result set based on the values in the ord_no column.

Relational Algebra Expression:

Relational Algebra Tree:

Explanation:

Visual presentation:

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For more Practice: Solve these Related Problems:

• Write a SQL query to select all orders and sort the result-set in ascending order by customer_id, then by ord_no.
• Write a SQL query to retrieve all order details sorted by ord_date in ascending order and secondarily by ord_no.
• Write a SQL query to list all orders sorted by ord_no and filter out orders where purch_amt is NULL.
• Write a SQL query to select all order fields sorted by ord_no ascending, including only orders with even ord_no values.
• Write a SQL query to display all orders and order them by the length of the string representation of ord_no in ascending order.

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