Get difference in years between two dates in MySQL as an integer

Question

I am trying to calculate how old is a person in a database.
Let\'s suppose to have this simple table:

student(id, birth_date);

Where

Answer 1

For anyone who comes across this:

another way this can be done is:

SELECT TIMESTAMPDIFF(YEAR, date_of_birth, CURDATE()) AS difference FROM student

For differences in months, replace YEAR with MONTH, and for days replace YEAR with DAY

Hope that helps!