group_concat(… ORDER BY … SEPARATOR …)
BigQuery
Db2 (LUW)
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2005
2007
2009
2011
2013
2015
2017
2019
2021
3.5.7 - 3.41.0
2008R2 - 2022
8.3 - 15
11gR1 - 21c
5.0 - 8.0.32
5.5.23 - 10.11
5.3
5.1 - 5.2
11.1 - 11.5.8
9.7
2.0