two-row

基本解釋

Black and white, you could snap two become a two row cuff!
黑白兩色,可以連在一起繞成雙圈!!
The basic materials of Orval beer are spring water, malted two row barley, aromatic hops and candy sugar.
釀造歐瓦啤酒的基本原料是水，兩穗大麥麥芽，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.
一個(gè)連接是兩個(gè)行集的笛卡爾乘積，謂詞連接作爲(wèi)一個(gè)過濾結(jié)果應(yīng)用。
But who has thrown down the two rows of statues?
可是，那兩列塑像是誰(shuí)拆燬的呢?
Therefore, the join cardinality is the product of the cardinalities of two row sets, multiplied by the selectivity of the join predicate.
因此，連接行集數(shù)是兩個(gè)行集的行集數(shù)的乘積，被選擇的謂詞連接的乘積。