In the Microsoft Access database, you can use expressions to calculate age based on your date of birth. Here's a common method:
Open your access database and find the table or query that contains the date of birth.
In a blank query or table, add a calculated field to calculate the age. Select Design View in the View menu to open the design view.
In Design view, add a new field to store the results of the calculation. Change the field name to "Age" and select "Number" for the data type.
Below the Age field, enter the following expression:
sql copy **year(date())year([date of birth]).What this expression does is to get the difference between the current year and the year of the date of birth, i.e., the age.
5.Save the query or table, and close the design view.
Now, when you run a query or table, it will show everyone's age. Note that the age calculated by this method is based on the current date, so if the date changes, the results will be updated accordingly.
It is important to note that this method assumes that the date of birth is a valid date value. If the Date of Birth field isn't a date type, you may need to do a type conversion or clean the data to ensure the accuracy of the calculations. Additionally, if the database contains future dates (e.g., after 2023), you may need to use more complex expressions to handle these cases.
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