`information_schema.routines.specific_catalog`

mysql

type: SQL_IDENTIFIER NULL

Note:

Name of the database containing the function (always the current database)

10-15

type: SQL_IDENTIFIER

Note:

Name of the database containing the function (always the current database)

7.4-9.6

type: NULL

Note:

Always NULL.

type: NVARCHAR(128) NULL

Note:

Specific name of the catalog. This name is the same as ROUTINE_CATALOG.