We understand that the Corresponding Author is the sole contact for the Editorial process. He/she is responsible for communicating with the other authors about progress, submissions of revisions and final approval of proofs. Signed by all authors as follows: 作者1,作者2, 作者3 From bing.com
在结果集方面,Union 和 Union All 的主要区别在于:Union 会去除重复的记录,而 Union All 不会。也就是说,如果student表、teacher表和doctor表中存在相同的数据,使用 Union 时,这些重复的数据只会显示一次;而使用 Union All 时,这些重复的数据将会显示多次。 那么,在使用 Union 和 Union All 时,我们应该 ... From bing.com
1、all的基本含义及用法介绍 1、作为代词时,意为所有;全部;全体;一切;唯一的事物;所有的事物。 例句:All horses are animals, but not all animals are horses. 所有的马都是动物,但并不是所有的动物都是马。 All of the food has gone. 食物全光了。 His last movie was best of all. 他最近的那部电影是他所有电影中最好的 ... From bing.com
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