extract(hour from …)
Db2 (LUW)
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
2015
2017
2019
2021
2023
⊘ 9.0 - 17
⊘ 5.7 - 9.4.0
⊘ 10.2 - 12.0.2
⊘ 9.7 - 12.1.2