Retrieve MIN and MAX date in a single MySQL query from a column with date values

For this, you can use aggregate function MIN() and MAX(). Let us first create a table −

mysql> create table DemoTable(AdmissionDate date);
Query OK, 0 rows affected (0.76 sec)

Insert some records in the table using insert command −

mysql> insert into DemoTable values('2019-01-21');
Query OK, 1 row affected (0.11 sec)
mysql> insert into DemoTable values('2018-12-31');
Query OK, 1 row affected (0.18 sec)
mysql> insert into DemoTable values('2016-11-01');
Query OK, 1 row affected (0.11 sec)
mysql> insert into DemoTable values('2019-04-11');
Query OK, 1 row affected (0.15 sec)
mysql> insert into DemoTable values('2016-02-01');
Query OK, 1 row affected (0.28 sec)

Display all records from the table using select statement −

mysql> select *from DemoTable;

This will produce the following output −

+---------------+
| AdmissionDate |
+---------------+
| 2019-01-21    |
| 2018-12-31    |
| 2016-11-01    |
| 2019-04-11    |
| 2016-02-01    |
+---------------+
5 rows in set (0.00 sec)

Following is the query to retrieve MIN and MAX date in a single query −

mysql> select MIN(AdmissionDate) AS MinDate,MAX(AdmissionDate) AS MaxDate from DemoTable;

This will produce the following output −

+------------+------------+
| MinDate    | MaxDate    |
+------------+------------+
| 2016-02-01 | 2019-04-11 |
+------------+------------+
1 row in set (0.00 sec)

AmitDiwan

Published on 03-Sep-2019 12:09:18

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