That is, the inner table of the join operation will be scanned eight times, once for each of the eight qualifying records from the outer input.

也就是说，联接操作的内部表将被扫描 8 次，来自外部输入的 8 个合格的记录每个都将被扫描一次。

youdao

If you are near Earth in orbit, you are eight kilometers per second, and eight times the square root of two 2 is exactly that 11.2.

如果你在轨道接近，地球，那是8千米每秒，8乘以2平方根，正好是11。

youdao

I can drop an apple from eight meters and another one from two meters and the one from eight meters will take two times longer than the one from two meters.

我可以在8米处让苹果坠落，也可以在2米处，依此可得，8米处掉落的时间将是，2米处的两倍。

youdao

In two thousand eight they had close to two million students -- nearly three times more than in two thousand.

VOA: special.2010.07.29

You do that eight billion times in your life and you can hit a good top spin backhand.

如果你把这个动作做上八十亿次,那你一定能打个漂亮的反手上旋球

耶鲁公开课 - 聆听音乐课程节选

But after that, the math is the same, eight times whatever, four times whatever, two times whatever, and so forth. So what's 7?

然后，计算方式是一样的，八位，四位，二位，等等，那7怎么表达呢？

哈佛公开课 - 计算机科学课程节选

They were eight times more likely to be hepatitis C positive, and eight times more likely to inject drugs than women who had sex exclusively with men.

BBC: Lesbians have 'same risk of sex diseases'

Stockmarkets obey a type of power law when the number of daily price-swings of 1% is, say, eight times the number of days seeing a 2% move, which is in turn eight times the number of 4% days.

ECONOMIST: A new aid to investment: the Richter scale

Congressional investigators have obtained emails in which con artists write about trying four times, eight times, even 10 times to obtain a piece of information.

NPR: Pretexting Is Alive and Well in Corporate America