WISE OWL EXERCISES
- Simple Queries (4)
- Setting criteria using WHERE (5)
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- Calculations using dates (4)
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- Looping (3)
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- Derived tables and CTEs (13)
- Dynamic SQL (4)
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SQL | Looping exercise | Looping into list variables
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 the course listed below!
- 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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Ever wondered which month is the most eventful? Or which month an event occurred in? Create a loop to list the events in each month, by looping from month number 1 to 12:
Loops can save you time on repetitive tasks (although they can't save you from all these exercises ... ).
The hardest part in creating this query is changing the month number into the month name, as sadly there is no in-built function. Here's one way to achieve this:
DATENAME(MM, '2017-' + CAST(@YourVariable AS VARCHAR(2)) + '-01')
Optionally save this as Automation is the future.sql, then close it down.