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SQL EXERCISES▼
- Simple Queries (4)
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SQL | Basic joins exercise | Creating a simple join between two tables using the designer
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.
You can learn how to do this exercise if you attend one of more of the courses listed below!
Software ==> | SQL (198 exercises) |
Version ==> | Any version of SQL Server |
Topic ==> | Basic joins (8 exercises) |
Level ==> | Relatively easy |
Classroom ==> | Introduction to SQL / Fast-track SQL |
Online ==> | Introduction to SQL / Fast-track SQL |
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If you haven't already done so, run the script in the folder above to generate the Doctor Who database.
Right-click in a new query and use the designer to create a query linking these two tables:

Each episode is linked to the person who wrote it.
Add columns and filters to your query so that it shows who wrote the "special" episodes (there should be 13 listed out, of which the first few in alphabetical order are shown below):

The first few episodes containing the word special in the title.
For the filter, use the criteria LIKE '%special%'.
Now tidy up the generated query so that it looks more like proper SQL! Here's a suggestion:
-- the query, tidied up
SELECT
tblAuthor.AuthorName,
tblEpisode.Title,
tblEpisode.EpisodeType
FROM
tblAuthor
INNER JOIN tblEpisode ON
tblAuthor.AuthorId = tblEpisode.AuthorId
WHERE
tblEpisode.EpisodeType LIKE '%special%'
ORDER BY
tblEpisode.Title
Save this query as No joins necessary, then close it down.