information_schema.attributes.attribute_udt_schema

mysql

mariadb

tidb

postgres

type: SQL_IDENTIFIER NULL
Note:
Name of the schema that the attribute data type is defined in
© 1996-2022 The PostgreSQL Global Development Group
10-15
type: SQL_IDENTIFIER
Note:
Name of the schema that the attribute data type is defined in
© 1996-2022 The PostgreSQL Global Development Group
8.2-9.6

cockroachdb

mssql