`information_schema.tablespaces_extensions.*`

show items implemented by

any at least two only one database all databases

relation	column	mysql	mariadb	tidb	postgres	cockroachdb	mssql
`tablespaces_extensions`
	`engine_attribute`	`JSON NULL`: 8	unsupported	unsupported	unsupported	unsupported	unsupported
	`tablespace_name`	`VARCHAR NOT NULL`: 8	unsupported	unsupported	unsupported	unsupported	unsupported