`information_schema.sql_sizing.*`

show items implemented by

any at least two only one database all databases

relation	column	mysql	mariadb	tidb	postgres	cockroachdb	mssql
`sql_sizing`
	`comments`	unsupported	unsupported	unsupported	`CHARACTER_DATA`: 7.4-9.6 `CHARACTER_DATA NULL`: 10-15	unsupported	unsupported
	`sizing_id`	unsupported	unsupported	unsupported	`CARDINAL_NUMBER`: 7.4-9.6 `CARDINAL_NUMBER NULL`: 10-15	unsupported	unsupported
	`sizing_name`	unsupported	unsupported	unsupported	`CHARACTER_DATA`: 7.4-9.6 `CHARACTER_DATA NULL`: 10-15	unsupported	unsupported
	`supported_value`	unsupported	unsupported	unsupported	`CARDINAL_NUMBER`: 7.4-9.6 `CARDINAL_NUMBER NULL`: 10-15	unsupported	unsupported