SQL Exercises: Items with a price over 250 in ASC order by price,name

Last update on February 10 2025 06:29:13 (UTC/GMT +8 hours)

From the following table, write a SQL query to find the items whose prices are higher than or equal to $250. Order the result by product price in descending, then product name in ascending. Return pro_name and pro_price.

Sample table: item_mast

 PRO_ID PRO_NAME                       PRO_PRICE    PRO_COM
------- ------------------------- -------------- ----------
    101 Mother Board                    3200.00         15
    102 Key Board                        450.00         16
    103 ZIP drive                        250.00         14
    104 Speaker                          550.00         16
    105 Monitor                         5000.00         11
    106 DVD drive                        900.00         12
    107 CD drive                         800.00         12
    108 Printer                         2600.00         13
    109 Refill cartridge                 350.00         13
    110 Mouse                            250.00         12

Sample Solution:

-- This query selects specific columns 'pro_name' and 'pro_price' from the 'item_mast' table.
SELECT pro_name, pro_price
-- Specifies the table from which to retrieve the data (in this case, 'item_mast').
FROM item_mast
-- Filters the rows to only include those where the 'pro_price' column is greater than or equal to 250.
WHERE pro_price >= 250
-- Orders the result set first by 'pro_price' in descending order and then by 'pro_name' in ascending order.
ORDER BY pro_price DESC, pro_name;

Output of the Query:

pro_name	   pro_price
Monitor	        5000.00
Mother Board	3200.00
Printer	        2600.00
DVD drive	     900.00
CD drive	     800.00
Speaker	         550.00
Key Board	     450.00
Refill cartridge 350.00
Mouse	         250.00
ZIP drive	     250.00

Code Explanation:

The said SQL query that selects the product name (pro_name) and price (pro_price) from the table item_mast, where the price is greater than or equal to 250. The results are then ordered by price in descending order, and then by product name in ascending order.

Relational Algebra Expression:

Relational Algebra Tree:

Practice Online

For more Practice: Solve these Related Problems:

• Write a SQL query to find products priced higher than or equal to $500, ordered by price in descending order.
• Write a SQL query to retrieve items with prices greater than $1000, sorted by product name in ascending order.
• Write a SQL query to display products costing at least $300, ordered by price in descending and then by name in ascending order.
• Write a SQL query to list all items priced above $200, grouped by manufacturer code and ordered by price.

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