group_concat(… ORDER BY … SEPARATOR …)
BigQuery
Db2 (LUW)
DuckDB
H2
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2005
2007
2009
2011
2013
2015
2017
2019
2021
2023
2025
5.0 - 9.7.0
12.2.2
5.5.23
5.1 - 5.2
1.4.192 - 2.4.240