Self-referencing
insert
BigQuery
Db2 (LUW)
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2005
2007
2009
2011
2013
2015
2017
2019
2021
2023
✓ 3.5.7 - 3.50.0
a
✓ 2008R2 - 2022
a
✓ 8.3 - 18
a
✓ 11gR1 - 23.26.0
a
✓ 5.0 - 9.4.0
a
✓ 5.1 - 12.0.2
a
✓ 9.7 - 12.1.2
a
✓ 2.0
a
Syntax accepted, functionality not tested thoroughly