`information_schema.metrics_summary.*`

show items implemented by

any at least two only one database all databases

relation	column	mysql	mariadb	tidb	postgres	cockroachdb	mssql
`metrics_summary`
	`avg_value`	unsupported	unsupported	`DOUBLE(22,6) NULL`: 4-6.1	unsupported	unsupported	unsupported
	`comment`	unsupported	unsupported	`VARCHAR(256) NULL`: 4-6.1	unsupported	unsupported	unsupported
	`max_value`	unsupported	unsupported	`DOUBLE(22,6) NULL`: 4-6.1	unsupported	unsupported	unsupported
	`metrics_name`	unsupported	unsupported	`VARCHAR(64) NULL`: 4-6.1	unsupported	unsupported	unsupported
	`min_value`	unsupported	unsupported	`DOUBLE(22,6) NULL`: 4-6.1	unsupported	unsupported	unsupported
	`quantile`	unsupported	unsupported	`DOUBLE NULL`: 4-6.1	unsupported	unsupported	unsupported
	`sum_value`	unsupported	unsupported	`DOUBLE(22,6) NULL`: 4-6.1	unsupported	unsupported	unsupported