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Exercises

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Software ==>	SQL (203 exercises)
Topic ==>	Subqueries (8 exercises)
Level ==>	Relatively easy
Subject ==>	SQL training

Use subqueries in SQL to use aggregate functions as criteria for other queries.

This exercise is provided to allow potential course delegates to choose the correct Wise Owl Microsoft training course, and may not be reproduced in whole or in part in any format without the prior written consent of Wise Owl.

Before you can do this exercise, you'll need to download and unzip this file . If you want to download the SQL Server database that this yields:

Go into SQL Server Management Studio;
Open the SQL file you've just unzipped (you can press CTRL + O to do this); then
Execute this script.

This will generate the database that you'll need to use in order to do this exercise (remember to refresh your list of databases to see it!). Note that any files provided are only to be used for exercises published on this website, and may not be reused or distributed in any form without the prior written permission of Wise Owl.

If you don't have a copy of the Music_01 database, follow the instructions at the following link to create it: www.wiseowl.co.uk/sql/exercises/standard/using-sql-server/5257/

Write a query to select the average of the Capacity field from the Venue table.

The result of a simple aggregation in SQL Server.

There's no need to give the column an alias.

Wrap another query around the first to show the following fields for venues whose capacity is larger than average, sorting the results in ascending order of capacity.