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SQL | Basic joins exercise | Use the query designer to join two tables, then tidy this up
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.
Software ==> | SQL (198 exercises) |
Version ==> | Any version of SQL Server |
Topic ==> | Basic joins (8 exercises) |
Level ==> | Relatively easy |
Subject ==> | SQL training |
- 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 (note that the database and script 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).
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Right-click on a new query and choose to design a query in the editor, then create this query:

Choose to show the country name, event name and event date in ascending date order, giving aliases to each column.
When you choose OK and run this query back in Management Studio, you should see this:

The first few events listed.
Now tidy up your query's SQL to look beautiful, complete with comments! Here's a suggestion (and only a suggestion!):
-- list events, with countries
SELECT
-- fields from the country table
cy.CountryName AS Country,
-- fields from the events table
ev.EventName AS [What happened],
ev.EventDate AS [When happened]
FROM
-- start with the country table ...
tblCountry AS cy
-- ... and join this to the events
INNER JOIN tblEvent AS ev
ON cy.CountryID = ev.CountryID
ORDER BY
-- show in date order
[When happened]
Save this query as Superb Quality Layout, then close it down.