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Software ==>	SQL (203 exercises)
Topic ==>	More exotic joins (5 exercises)
Level ==>	Harder than average
Subject ==>	SQL training

Use inner and outer joins in SQL queries to return lists of albums, artists and concert tours.

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 return the following columns from the Album, Artist and Tour tables. Make sure to only return albums which have an associated tour.

The results of a SQL query using joins to return values from multiple tables.

The first few results you should see.

Create another version of the same query which returns albums which do not have an associated tour. Replace the tour name with a message as shown below: