two-row
基本解释
- adj.双行的；二区间的
英汉例句
- Black and white, you could snap two become a two row cuff!
黑白两色,可以连在一起绕成双圈!! - The basic materials of Orval beer are spring water, malted two row barley, aromatic hops and candy sugar.
酿造欧瓦啤酒的基本原料是水，两穗大麦麦芽，芬芳啤酒花和糖。 - 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。 - But who has thrown down the two rows of statues?
可是，那两列塑像是谁拆毁的呢? - Therefore, the join cardinality is the product of the cardinalities of two row sets, multiplied by the selectivity of the join predicate.
因此，连接行集数是两个行集的行集数的乘积，被选择的谓词连接的乘积。