`information_schema.transforms.*`

show items implemented by

any at least two only one database all databases

relation	column	mysql	mariadb	tidb	postgres	cockroachdb	mssql
`transforms`
	`group_name`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER`: 9.5-9.6 `SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported
	`specific_catalog`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER`: 9.5-9.6 `SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported
	`specific_name`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER`: 9.5-9.6 `SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported
	`specific_schema`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER`: 9.5-9.6 `SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported
	`transform_type`	unsupported	unsupported	unsupported	`CHARACTER_DATA`: 9.5-9.6 `CHARACTER_DATA NULL`: 10-15	unsupported	unsupported
	`udt_catalog`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER`: 9.5-9.6 `SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported
	`udt_name`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER`: 9.5-9.6 `SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported
	`udt_schema`	unsupported	unsupported	unsupported	`SQL_IDENTIFIER`: 9.5-9.6 `SQL_IDENTIFIER NULL`: 10-15	unsupported	unsupported