`information_schema.routines.type_udt_catalog`

mysql

type: SQL_IDENTIFIER NULL

Note:

Name of the database that the return data type of the function is defined in (always the current database). Null for a procedure.

11-15

Note:

Name of the database that the return data type of the function is defined in (always the current database)

type: SQL_IDENTIFIER

Note:

Name of the database that the return data type of the function is defined in (always the current database)

7.4-9.6

type: NULL

Note:

Always NULL.

type: NVARCHAR(128) NULL

Note:

NULL. Reserved for future use.