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Software ==>	Access VBA Macros (25 exercises)
Topic ==>	Creating functions (4 exercises)
Level ==>	Relatively easy
Subject ==>	Access training

Create a function to show someone's lifespan in years

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.

Before you can do this exercise, you'll need to download and unzip this file .

The aim of this exercise is to show a list of actors who are no longer with us, sorted by how long they were alive:

Actors by lifespan

Whoever knew Zsa Zsa lived so long?

To do this, create a function called YearsLived which will have two input arguments:

Argument	What it will hold
BirthDate	The date someone was born
DeathDate	The date someone died

Think carefully not only what data type you should assign to these arguments, but also what data type the function should return.

Use the DATEDIFF function to determine someone's lifespan in years from these two bits of information, and return this from your function. The syntax is:

DateDiff( "yyyy", earlier date, later date)

Test that your function works in the immediate window, then incorporate it into a query to show the years each actor was alive (only shows actors whose DoD field is not null). Zsa Zsa Gabor lived the longest; who lived the shortest number of years?

Save and close any queries, modules or tables you have open.

You can unzip this file to see the answers to this exercise, although please remember this is for your personal use only.

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