group by

基本解釋

The XQuery language does not provide an explicit group-by construct.
XQuery 語言不提供顯式的 group-by 結(jié)構(gòu)。
The SQL generated by the previous instructions has only a single grouping set in the GROUP-BY clause.
前面步驟產(chǎn)生的 SQL 在 GROUP BY 子句中只有一個(gè)分組集。
Like group-by, it uses node values rather than patterns to demarcate groups, but it is aware of the sequence of elements in the population.
與 group-by 類似，它也使用節(jié)點(diǎn)值而不是范式來劃分組，不過它能夠識(shí)別總體中元素的順序。

Now,the event is administered by a twelve-person group called the Take Our Daughters and Sons to Work Foundation.
A lot of journals do blind reviewing now because of the evidence I talked about before regarding sexual stereotypes, that whether it has a male name or a female name makes a difference. So those are not-- those are group level in that they're not saying, "You get rid of your prejudices by trying harder."
現(xiàn)在很多報(bào)刊都審查論文都是匿名的,原因就是我剛才講的,性別刻板印象，名字會(huì)透露作者是男性或女性,這樣會(huì)影響審查公正，所以…,這些群體要擺脫刻板印象，并不是一味壓抑就行的“
耶魯公開課 - 心理學(xué)導(dǎo)論課程節(jié)選
And so if incidentally, you're a representative of a student group and the alike and your Google calendar is not -- in here, you can check just by flipping through the various-- we have over 200 calendars right now and you can search through them here.
如果你是一個(gè)學(xué)生團(tuán)體的代表,你的Google日歷在此不存在,你可以檢查其他各種各樣的-,目前我們有200多種日歷,你可以在它們之中進(jìn)行查找。
哈佛公開課 - 計(jì)算機(jī)科學(xué)課程節(jié)選

Evidence of the problems inherent in banning anti-satellite weapons were illuminated over two decades ago by a Reagan Administration interagency group co-chaired by then-Deputy Assistant Secretary of Defense for Nuclear Forces and Arms Control Policy, Frank J.
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