MySQL – GROUP_CONCAT

SELECT type as result FROM tbl_users

Result:
admin
admin
user
admin
editor

SELECT GROUP_CONCAT(type) as result FROM tbl_users

Result:
admin,admin,user,admin,editor

https://database.guide/how-to-return-query-results-as-a-comma-separated-list-in-mysql/

MSSQL equivalent is STRING_AGG()


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