MYSQL CONCAT MAX LENGTH

Question

Following this post: POST ABOUT CONCAT My problem is that i have many rows CONCAT into one row. For example if i have 10 rows with string around 50 chars, my qu

Answer 1

You need change group_concat_max_len default value in the bellow config file   
**my.cnf file(Linux) and my.ini file(windows)**   

[mysqld]//Add this line group_concat_max_len=15000 under mysqld section

group_concat_max_len=15000

Note: After change is done You need to restart your MySQL server.   
my.cnf file path in linux :   
 1. /etc/my.cnf   
2./etc/mysql/my.cnf   
3.$MYSQL_HOME/my.cnf   
4.[datadir]/my.cnf   
5.~/.my.cnf