Difference between MySQL GROUP_CONCAT() and CONCAT_WS()

SELECT GROUP_CONCAT(CONCAT_WS(' ', First_name,Last_name)) FROM users ORDER BY user_id ASC;

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| GROUP_CONCAT(CONCAT_WS(' ', fname,lname))      |
+------------------------------------------------+
| swarm robots,prabhakarq honni,Dillip Nayak,asdasdasd
+------------------------------------------------+
1 row in set (0.03 sec)




SELECT CONCAT_WS(' ', First_name,Last_name) FROM crm_users ORDER BY user_id ASC;

+------------------------------------------------+
| CONCAT_WS(' ', fname,lname)     |
+------------------------------------------------+
|

swarm robots

prabhakarq honni

Dillip Nayak

asdasdasd asdddasd

love love

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