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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 (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).
Write the script to generate a view called vwEverything (based on the tblCategory, tblEvent, tblCountry and tblContinent tables) to show this data:
The first few of the 459 events returned, in no particular order.
To do this you should write a query which begins CREATE VIEW vwEverything AS followed by a SELECT statement.
Now write a query which selects data from this view to show the number of events by category within Africa:
The results of running this separate SQL statement.
You should now be impressed with how easy this was to do, because you'd given your columns such sensible aliases in the view!
Save this query as Boom with a view, and close it down (reflecting that it isn't always easy to come up with good names for queries).
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