Exercise: Filtering using list variables with Dynamic SQL

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.

The answer to the exercise will be included and explained if you attend the course listed below!

Category ==> SQL  (192 exercises)
Topic ==> Dynamic SQL  (4 exercises)
Level ==> Harder than average
Course ==> Advanced SQL
Before you can do this exercise, you'll need to download and unzip this file (if you have any problems doing this, click here for help). Once you've done this:
  1. Go into SQL Server Management Studio;
  2. Open the SQL file you've just unzipped (you can press CTRL + O to do this); then
  3. 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).

You need a minimum screen resolution of about 700 pixels width to see our exercises. This is because they contain diagrams and tables which would not be viewable easily on a mobile phone or small laptop. Please use a larger tablet, notebook or desktop computer, or change your screen resolution settings.

Create a comma-delimited list variable containing all of the names of events that occurred in your decade of birth. Use LEFT to remove the extra comma, and QUOTENAME to add apostrophes.

List variable to be used with dynamic SQL

This owl's generation is between 1980 and 1989, resulting in 72 events.

Now use this list to filter another select statement which shows all of (*) the information about those events from the event table. You will need to use dynamic SQL:

Dynamic SQL

The top 5 results for the same owl.

Optionally save this as It's a generational thing.sql and close it down.

This page has 0 threads Add post