sqlquery11.sql

Problem Statement:
Write a SQL query to print the item name, price of only the items which are available in shop 2 but not in shop 1 whose price is greater than 50.

Information about the table:
Table shop_1:
+---------+------------+------------+-------+
| item_id | item_name  | item_type  | price |
+---------+------------+------------+-------+
|       1 | pencil     | stationery |    10 |
|       2 | soap       | toiletries |    25 |
|       3 | eraser     | stationery |     5 |
|       4 | toothbrush | toiletries |    30 |
|       5 | toothpaste | toiletries |    50 |
+---------+------------+------------+-------+

Table shop_2:
+---------+------------+------------+-------+
| item_id | item_name  | item_type  | price |
+---------+------------+------------+-------+
|       1 | facewash   | toiletries |    70 |
|       2 | soap       | toiletries |    25 |
|       3 | pencil     | stationery |    15 |
|       4 | paintbrush | stationery |    30 |
|       5 | shampoo    | toiletries |   100 |
+---------+------------+------------+-------+

Note: Write keywords of syntax in uppercase alphabets.

Solution:
SELECT item_name, price FROM shop_1 RIGHT JOIN shop_2
USING(item_name, price)
WHERE shop_2.price>50;

Output:
+-----------+-------+
| item_name | price |
+-----------+-------+
| facewash  |    70 |
| shampoo   |   100 |
+-----------+-------+