How do you know which data type to use for each field? Access enables you to use the text data type (default) for every field if you want to do that. But, in this instance, that approach is not wise for several reasons. You would not be able to sort numeric data properly and you would not be able to calculate the number of days between two dates at all. And this is just the tip of the iceberg.
The solution is to know the reason you are using the various data types. Let’s examine these and then put them into action by example. Figure 3.1 shows the Text data type being applied. It also shows the other data types that you can use.