... 1.1 交叉连接(cross join) 当然,他还有其他的名字,比如:笛卡尔积,交叉积,还有最奇怪的名字“没有连接”(no join) 右表查找完毕,没有匹配项,因此创建带有NULL值的行来对应harmonica ...
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Since the sales facts contain no join references, no attributes are identified in this step.
因为 sales 事实不包含联结引用,所以这一步没有识别出属性。
Even if there is no curve, cheating "poisons" the classroom, and others may feel pressured to join in.
即使没有统计成绩的曲线图表,作弊也会“毒害”课堂,其他人可能会感到竞争压力过大而加入作弊的行列。
It's no use egging him on; he's made up his mind not to join in the tournament.
他已拿定主意不参加比赛了,你再将他也没有用。
Both parties agreed to make no proposal for Britain to join the sixteen countries that use the euro.
VOA: special.2010.05.14
Manpower was no problem. Men continued to join the Union army.
VOA: special.2009.11.26
For weeks, South Korean officials delayed expected announcements it would join, but experts say they had no other choice after Monday's underground nuclear weapons test by the North.
VOA: standard.2009.05.26
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