information_schema.routines.last_altered

mysql

type: DATETIME NOT NULL
5.7-8

mariadb

type: NULL
Note:
Date and time the routine was last changed.
© 2022 MariaDB
5.1-10.8
type: DATETIME NOT NULL
Note:
Date and time the routine was last changed.
© 2022 MariaDB
10.2-10.7

tidb

postgres

type: TIME_STAMP NULL
Note:
Applies to a feature not available in PostgreSQL
© 1996-2022 The PostgreSQL Global Development Group
10-15
type: TIME_STAMP
Note:
Applies to a feature not available in PostgreSQL
© 1996-2022 The PostgreSQL Global Development Group
8.2-9.6

cockroachdb

type: NULL
Note:
Always NULL.
© 2022 CockroachDB
20.1-21.1

mssql

type: DATETIME NULL
Note:
The last time the function was modified.
© Microsoft 2022
aps-pdw-2016-sql-server-ver15