How to select first and last data row from a MySQL result?
You can select the first and last data row using MIN() and MAX(). The syntax is as follows −
SELECT *
FROM yourTableName
WHERE yourColumnName = (SELECT MIN(yourColumnName) FROM yourTableName)
UNION
SELECT *
FROM yourTableName
WHERE yourColumnName = (SELECT MAX(yourColumnName) FROM yourTableName) ;
To understand the above syntax, let us create a table. The query to create a table is as follows −
mysql> create table FirstAndLastDataDemo
-> (
-> EmployeeId int NOT NULL AUTO_INCREMENT PRIMARY KEY,
-> EmployeeName varchar(20),
-> EmployeeAge int
-> );
Query OK, 0 rows affected (0.59 sec)
Example
Insert some records in the table using insert command. The query is as follows −
mysql> insert into FirstAndLastDataDemo(EmployeeName,EmployeeAge) values('John',23);
Query OK, 1 row affected (0.15 sec)
mysql> insert into FirstAndLastDataDemo(EmployeeName,EmployeeAge) values('Bob',13);
Query OK, 1 row affected (0.11 sec)
mysql> insert into FirstAndLastDataDemo(EmployeeName,EmployeeAge) values('Larry',24);
Query OK, 1 row affected (0.14 sec)
mysql> insert into FirstAndLastDataDemo(EmployeeName,EmployeeAge) values('Sam',14);
Query OK, 1 row affected (0.18 sec)
mysql> insert into FirstAndLastDataDemo(EmployeeName,EmployeeAge) values('Mike',31);
Query OK, 1 row affected (0.10 sec)
mysql> insert into FirstAndLastDataDemo(EmployeeName,EmployeeAge) values('James',18);
Query OK, 1 row affected (0.16 sec)
mysql> insert into FirstAndLastDataDemo(EmployeeName,EmployeeAge)
values('Maxwell',28);
Query OK, 1 row affected (0.17 sec)
mysql> insert into FirstAndLastDataDemo(EmployeeName,EmployeeAge) values('David',27);
Query OK, 1 row affected (0.12 sec)
mysql> insert into FirstAndLastDataDemo(EmployeeName,EmployeeAge) values('Chris',22);
Query OK, 1 row affected (0.19 sec)Display all records from the table using select statement −
mysql> select *from FirstAndLastDataDemo;
Output
+------------+--------------+-------------+
| EmployeeId | EmployeeName | EmployeeAge |
+------------+--------------+-------------+
| 1 | John | 23 |
| 2 | Bob | 13 |
| 3 | Larry | 24 |
| 4 | Sam | 14 |
| 5 | Mike | 31 |
| 6 | James | 18 |
| 7 | Maxwell | 28 |
| 8 | David | 27 |
| 9 | Chris | 22 |
+------------+--------------+-------------+
9 rows in set (0.00 sec)
Here is the query to get first row data and last row data −
mysql> SELECT *
-> FROM FirstAndLastDataDemo
-> WHERE EmployeeId = (SELECT MIN(EmployeeId) FROM FirstAndLastDataDemo)
-> UNION
-> SELECT *
-> FROM FirstAndLastDataDemo
-> WHERE EmployeeId = (SELECT MAX(EmployeeId) FROM FirstAndLastDataDemo);
Output
+------------+--------------+-------------+
| EmployeeId | EmployeeName | EmployeeAge |
+------------+--------------+-------------+
| 1 | John | 23 |
| 9 | Chris | 22 |
+------------+--------------+-------------+
2 rows in set (0.00 sec)
Published on 19-Mar-2019 13:08:19
