Cartesian product [计] 笛卡儿积
- A join is a Cartesian product of two row sets, with the join predicate applied as a filter to the result.
一个连接是两个行集的笛卡尔乘积,谓词连接作为一个过滤结果应用。
cartesian product[ noun ]
the set of elements common to two or more sets
<noun.group>
the set of red hats is the intersection of the set of hats and the set of red things