Databases activity

This is an activity to try on your computer

You are going to use the data file Mobile Phones to find answers to the following questions. Look back in these notes to find out how to do any task that you have forgotten.

You can print out this page if you like.

When you have finished, close all windows on the desktop. Do not save any changes to the table. It is important that the table does not change before the next set of activities.