Pull row with lowest number in a MySQL column?

Use aggregate function MIN() along with GROUP BY for this. Here, we will display the minimum ID for NumberOfProduct . Let us first create a table −

mysql> create table DemoTable
   (
   Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,
   NumberOfProduct int
   );
Query OK, 0 rows affected (0.19 sec)

Insert some records in the table using insert command −

mysql> insert into DemoTable(NumberOfProduct) values(40);
Query OK, 1 row affected (0.10 sec)

mysql> insert into DemoTable(NumberOfProduct) values(40);
Query OK, 1 row affected (0.08 sec)

mysql> insert into DemoTable(NumberOfProduct) values(60);
Query OK, 1 row affected (0.07 sec)

mysql> insert into DemoTable(NumberOfProduct) values(60);
Query OK, 1 row affected (0.06 sec)

Display all records from the table using select statement −

mysql> select *from DemoTable;

This will produce the following output −

+----+-----------------+
| Id | NumberOfProduct |
+----+-----------------+
| 1  | 40              |
| 2  | 40              |
| 3  | 60              |
| 4  | 60              |
+----+-----------------+
4 rows in set (0.00 sec)

Following is the query to pull row with lowest number in a column −

mysql> select NumberOfProduct,MIN(Id) from DemoTable group by NumberOfProduct;

This will produce the following output −

+-----------------+---------+
| NumberOfProduct | MIN(Id) |
+-----------------+---------+
| 40              | 1       |
| 60              | 3       |
+-----------------+---------+
2 rows in set (0.00 sec)

Nishtha Thakur

Updated on 30-Jul-2019 22:30:26

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