3 Join cardinality is the number of rows produced when two row sets are joined together.
3 Join cardinality is the number of rows produced when two row sets are joined together.
连接行集数是两个行集被连接在一起时产生的行集数。
3 Join cardinality is the number of rows produced when two row sets are joined together.
连接行集数是两个行集被连接在一起时产生的行集数。