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Software ==> | SQL (203 exercises) |
Topic ==> | Basic joins (12 exercises) |
Level ==> | Average difficulty |
Subject ==> | SQL training |
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.
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 show the Title and US_sales_(m) fields from the Album table.
Add a WHERE clause to show only gold or platinum certified albums, i.e. those with sales of at least 0.5 million but less than 10 million.
A few of the results you should see.
Modify the FROM clause to include the Subgenre table. Use an inner join to join it to the Album table using the Subgenre_ID columns. You can see a reminder of the join syntax below:
FROM
Table1 AS t1
INNER JOIN Table2 AS t2 ON t1.Column = t2.Column
Add the Subgenre column to the SELECT list and run the query.
You may notice the order of the results changes.
Modify the FROM clause again to include the Genre table. Join it to the Subgenre table using the Genre_ID columns.
If you were using the Query Designer, this is the diagram you would see.
Add a condition to the WHERE clause to show only albums whose Genre is Metal.
Sort the results in ascending order of Title and run the query.
The first few results you should see.
Save the script as Precious Metals.sql and then close it.
You can find other training resources for the subject of this exercise here:
Kingsmoor House
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SK13 2AA
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LONDON
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Holiday Inn
25 Aytoun Street
MANCHESTER
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