period for system_time
BigQuery
Db2 (LUW)
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2009
2011
2013
2015
2017
2019
2021
2023
⊘ 3.5.7 - 3.50.0
✓ 2016 - 2022
⊘ 2008R2 - 2014
⊘ 8.3 - 18
⊘ 23.26.0
b
⊘ 11gR1 - 23.4
⊘ 5.0 - 9.4.0
✓ 10.3 - 12.0.2
⊘ 5.1 - 10.2
⚠ 10.5 - 12.1.2
a
⊘ 9.7
⊘ 2.0
Without keyword
for
(
period system_time (…)
)
Oracle’s “Flashback” offers similar functionality with a proprietary syntax.