SQL | Derived tables and CTEs exercise | Using derived tables

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You can learn how to do this exercise if you attend one of more of the courses listed below!

Software ==> SQL  (198 exercises)
Version ==> Any version of SQL Server
Topic ==> Derived tables and CTEs  (13 exercises)
Level ==> Average difficulty
Classroom ==> Introduction to SQL  /  Fast-track SQL  /  Advanced SQL
Online ==> Introduction to SQL  /  Fast-track SQL  /  Advanced SQL

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The aim of this exercise is to use a derived table to hold data before joining this another table. Start by selecting only events which end with a letter between N and Z.

Storing information in a derived table

Your query should return 300 results (including the CountryID column will allow us to join to the tblCountry table).

Now turn this select into a derived table called Second_Half_Derived. The layout will be something like this:

--Outer select

SELECT

EventName

FROM

(

--Your select goes here

) AS Second_half_Derived

Now join tblCountry to the derived table as you would for a normal table:

Derived table joined on

This should return 230 results - scroll down for some happier events.

Optionally save this as Deriving results.sql and close it down.

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