SQL: Display the average price of the items for each company
SQL Basic Select Statement: Exercise-29 with Solution.
From the following table, write a SQL query to calculate average price of the items for each company. Return average price and company code.
Sample table: item_mast
SELECT AVG(pro_price), pro_com FROM item_mast GROUP BY pro_com;
Output of the Query:
avg pro_com 250.0000000000000000 14 650.0000000000000000 12 3200.0000000000000000 15 5000.0000000000000000 11 1475.0000000000000000 13 500.0000000000000000 16
Relational Algebra Expression:
Relational Algebra Tree:
Have another way to solve this solution? Contribute your code (and comments) through Disqus.
Previous: 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.
Next: From the following table, write a SQL query to find the cheapest item(s). Return pro_name and, pro_price.
Test your Programming skills with w3resource's quiz.
What is the difficulty level of this exercise?
SQL: Tips of the Day
Nested select statement in SQL Server.
You need to alias the subquery.
SELECT name FROM (SELECT name FROM agentinformation) a
or to be more explicit
SELECT a.name FROM (SELECT name FROM agentinformation) a
Database: SQL Server
- New Content published on w3resource:
- HTML-CSS Practical: Exercises, Practice, Solution
- Java Regular Expression: Exercises, Practice, Solution
- Scala Programming Exercises, Practice, Solution
- Python Itertools exercises
- Python Numpy exercises
- Python GeoPy Package exercises
- Python Pandas exercises
- Python nltk exercises
- Python BeautifulSoup exercises
- Form Template
- Composer - PHP Package Manager
- PHPUnit - PHP Testing
- Laravel - PHP Framework