A column called LastName in a student database would be an example of an attribute.
In database terminology, an attribute is a column in a table that stores data about a particular entity. In this case, the entity is a student, and the attribute is the student's last name.
Other examples of attributes in a student database might include the student's first name, middle name, student ID number, date of birth, gender, and address.
Attributes are important because they allow us to store and organize data about entities in a database. This makes it easier to find and use the data when we need it.