The SQL generated by the previous instructions has only a single grouping set in the GROUP-BY clause.

前面步骤产生的SQL在GROUP BY子句中只有一个分组集。

youdao

While the ordering of the grouping columns does not matter for a single grouping set or multiple grouping sets, the order of the columns does matter for ROLLUP.

对于单一分组集或多个分组集，分组列的次序是无所谓的；但是对于ROLLUP，列的次序不能随意安排。

youdao

To create a grouping set at another slice of the cube model, create a new grouping set that includes, at a minimum, the level key attributes of each level in the new slice.

要在多维数据集模型的另一个切片上创建分组集，应该创建一个新的分组集，其中至少要包含新切片中每一级的级键属性。

youdao

Such considerations may have prompted Thailand's new foreign minister, Mr. Kasem Kasemsri, to suggest that the grouping set up a kind of regional parliament.

CNN: HEN THE FOREIGN MINISTERS

In Bogor, Indonesia, in 1994, it set itself ambitious goals to free up trade and investment within the grouping.

ECONOMIST: It��s security, stupid | The

So our ability to distinguish "man bites dog" from "dog bites man" hinges on the attention that we pay to ordering and grouping, that allows us to get two different meanings out of the same set of words.

FORBES: Steven Pinker On Why We Have Language