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
5.0 - 8.0.34
5.5.23 - 10.11
5.1 - 5.2