xmlagg(… order by …)

BigQueryDb2 (LUW)MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLite200520072009201120132015201720192021⊘ 3.5.7 - 3.39.0⊘ 2008R2 - 2019a✓ 9.0+⊘ 8.3 - 8.4✓ 11gR1+⊘ 5.0 - 8.0.30⊘ 5.1 - 10.9.2✓ 9.7+⊘ 2.0
  1. Proprietary syntax available: FOR XML PATH