information_schema.element_types.dtd_identifier

mysql

mariadb

tidb

postgres

type: SQL_IDENTIFIER NULL
Note:
An identifier of the data type descriptor of the element. This is currently not useful.
© 1996-2022 The PostgreSQL Global Development Group
10-15
type: SQL_IDENTIFIER
Note:
An identifier of the data type descriptor of the element. This is currently not useful.
© 1996-2022 The PostgreSQL Global Development Group
7.4-9.6

cockroachdb

mssql