Find minimum score from the entire four columns of a table in MySQL

To find a minimum score from the entire four columns, use MySQL LEAST() function. Let us first create a table −

mysql> create table DemoTable(
   Score1 int,
   Score2 int,
   Score3 int,
   Score4 int
);
Query OK, 0 rows affected (0.50 sec)

Insert some records in the table using insert command −

mysql> insert into DemoTable values(88,76,45,56);
Query OK, 1 row affected (0.23 sec)
mysql> insert into DemoTable values(99,78,87,34);
Query OK, 1 row affected (0.18 sec)
mysql> insert into DemoTable values(34,32,56,98);
Query OK, 1 row affected (0.44 sec)

Display all records from the table using select statement &minsu;

mysql> select *from DemoTable;

This will produce the following output −

+--------+--------+--------+--------+
| Score1 | Score2 | Score3 | Score4 |
+--------+--------+--------+--------+
|     88 |     76 |     45 |     56 |
|     99 |     78 |     87 |     34 |
|     34 |     32 |     56 |     98 |
+--------+--------+--------+--------+
3 rows in set (0.00 sec)

Following is the query to find minimum score from four columns of the database −

mysql> select least(Score1,Score2,Score3,Score4) AS MinimumScore from DemoTable;

This will produce the following output −

+--------------+
| MinimumScore |
+--------------+
|           45 |
|           34 |
|           32 |
+--------------+
3 rows in set (0.00 sec)

AmitDiwan

Updated on 01-Oct-2019 07:22:14

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