How to fetch random rows in MySQL with comma separated values?

To fetch random rows in MySQL, use ORDER BY RAND(). Let us first create a table −

mysql> create table DemoTable1835
     (
     ListOfIds varchar(20)
     );
Query OK, 0 rows affected (0.00 sec)

Insert some records in the table using insert command −

mysql> insert into DemoTable1835 values('10,20,30');
Query OK, 1 row affected (0.00 sec)
mysql> insert into DemoTable1835 values('70,80,90');
Query OK, 1 row affected (0.00 sec)
mysql> insert into DemoTable1835 values('45,67,89');
Query OK, 1 row affected (0.00 sec)
mysql> insert into DemoTable1835 values('98,96,49');
Query OK, 1 row affected (0.00 sec)

Display all records from the table using select statement −

mysql> select * from DemoTable1835;

This will produce the following output −

+-----------+
| ListOfIds |
+-----------+
| 10,20,30  |
| 70,80,90  |
| 45,67,89  |
| 98,96,49  |
+-----------+
4 rows in set (0.00 sec)

Here is the query to fetch random rows in MySQL

mysql> select * from DemoTable1835
     where ListOfIds NOT IN(10,20,70) order by rand()
     limit 2;

This will produce the following output −

+-----------+
| ListOfIds |
+-----------+
| 98,96,49  |
| 45,67,89  |
+-----------+
2 rows in set, 4 warnings (0.00 sec)

AmitDiwan

Published on 24-Dec-2019 07:51:07

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