true
,
false
outside of
is
BigQuery
Db2 (LUW)
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2005
2007
2009
2011
2013
2015
2017
2019
2021
2023
✓ 3.23.1 - 3.50.0
a
⊘ 3.5.7 - 3.22.0
⊘ 2008R2 - 2022
✓ 8.3 - 18
a
✓ 23.0 - 23.26.0
a
⊘ 11gR1 - 21c
✓ 5.0 - 9.5.0
a
✓ 5.1 - 12.0.2
a
✓ 11.5.0 - 12.1.2
a
⊘ 9.7 - 11.1
✓ 2.0
a
Nur
true
und
false
, kein
unknown
. Verwende stattdessen
null