MySQL query to get the dates between range of records displaying student's Date of Birth?

For fetching records between dates, use BETWEEN. Let us first create a table −

mysql> create table DemoTable863(StudentDateOfBirth date);
Query OK, 0 rows affected (0.56 sec)

Insert some records in the table using insert command −

mysql> insert into DemoTable863 values('1998-01-10');
Query OK, 1 row affected (0.12 sec)
mysql> insert into DemoTable863 values('2000-10-15');
Query OK, 1 row affected (0.14 sec)
mysql> insert into DemoTable863 values('2003-04-20');
Query OK, 1 row affected (0.15 sec)
mysql> insert into DemoTable863 values('2005-12-31');
Query OK, 1 row affected (0.19 sec)
mysql> insert into DemoTable863 values('1999-07-01');
Query OK, 1 row affected (0.27 sec)

Display all records from the table using select statement −

mysql> select *from DemoTable863;

This will produce the following output −

+--------------------+
| StudentDateOfBirth |
+--------------------+
| 1998-01-10         |
| 2000-10-15         |
| 2003-04-20         |
| 2005-12-31         |
| 1999-07-01         |
+--------------------+
5 rows in set (0.00 sec)

Following is the query to displays dates in a range based on DOB i.e. 20 AND 21 −

mysql> select *from DemoTable863 where (YEAR(NOW()) - YEAR(StudentDateOfBirth)) BETWEEN 20 AND 21;

This will produce the following output −

+--------------------+
| StudentDateOfBirth |
+--------------------+
| 1998-01-10         |
| 1999-07-01         |
+--------------------+
2 rows in set (0.03 sec)