/**/
comments
BigQuery
Db2 (LUW)
DuckDB
H2
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2005
2007
2009
2011
2013
2015
2017
2019
2021
2023
2025
⚠ 3.5.7 - 3.51.0
a
✓ 2017 - 2025
✓ 8.3 - 18
⚠ 11gR1 - 23.26.1
a
⚠ 5.0 - 9.6.0
a
⚠ 5.1 - 12.1.2
a
✓ 2.0.202 - 2.4.240
a
⚠ 1.4.191 - 1.4.200
a
✓ 1.0.0 - 1.4.0
⚠ 9.7 - 12.1.3
b
⚠ 2.0
a
Without nesting
Except immediately after
select
:
select
/**/
*