`information_schema.sql_languages.sql_language_year`

mysql

type: CHARACTER_DATA NULL

Note:

The year the standard referenced in sql_language_source was approved.

10-12

type: CHARACTER_DATA

Note:

The year the standard referenced in sql_language_source was approved.

9.1-9.6

Note:

The year the standard referenced in sql_language_source was approved; currently 2003

8-9

Note:

The year the standard referenced in sql_language_source was approved; currently 1999

7.4