information_schema.enabled_roles.*

show items implemented by
relation column mysqlmariadbtidbpostgrescockroachdbmssql
enabled_roles  
is_default VARCHAR NULL:
8
unsupported unsupported unsupported unsupported unsupported
is_mandatory VARCHAR NOT NULL:
8
unsupported unsupported unsupported unsupported unsupported
role_host VARCHAR NULL:
8
unsupported unsupported unsupported unsupported unsupported
role_name VARCHAR NULL:
8
NULL: unsupported SQL_IDENTIFIER: SQL_IDENTIFIER NULL: unsupported