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Software ==> | SQL (203 exercises) |
Topic ==> | Scalar functions (9 exercises) |
Level ==> | Harder than average |
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.
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/
Open the Venue Values.sql file in the folder shown above. You'll find a query which returns a list of venues.
Some of the information you'll see when you execute the query.
Create a user-defined function to extract the first line of the Address for each venue i.e. everything up to but not including the first comma.
You'll find the CHARINDEX and LEFT functions useful to do this. You may have to deal with addresses which don't contain commas, or venues which don't have addresses.
Use the new function in the query to show the following:
Some of the results you should see.
Create another function to calculate the number of Other_names each venue has.
Each name is separated by a semi-colon character. You may find the LEN and REPLACE functions useful here.
Test that your new function works in the query.
Some of the results you should see.
Save and close the scripts.
You can find other training resources for the subject of this exercise here:
Kingsmoor House
Railway Street
GLOSSOP
SK13 2AA
Landmark Offices
99 Bishopsgate
LONDON
EC2M 3XD
Holiday Inn
25 Aytoun Street
MANCHESTER
M1 3AE
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