This is a technique that applies a grouping of data on specified elements common to two data sources and then evaluates additional data elements for a level of commonality or distinctness.

这种技术在两个数据源公共的指定元素上对数据进行分组，然后估计其他数据元素的相同程度或差异程度。

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These capabilities include sorting, grouping, aggregating, and a large set of functions to manipulate the different data types.

这些功能包括排序、分组、聚集以及一个操作不同数据类型的大型函数集。

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Multiple slices of data can be returned in a single query by using grouping sets or super-groups (such as ROLLUP) in the GROUP-BY clause of the SQL statement.

通过在sql语句的GROUP BY子句中使用多个分组集或超级组(比如rollup)，可以在一个查询中返回数据的多个切片。

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You have a huge grouping of consumer data, so you can micro-target messages to common groups, finding pleasure points and anger points on issues.

NEWYORKER: On the Bus

And they could not understand "why grouping of payments in bands for one, but not the other, presents data-protection or breach-of-confidence issues", as the BBC had insisted.

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