set equality的意思|示意

It is useful when a table has a finite set of values for the fragment key (or partitioning key) and queries on the table have an equality predicate on the fragment key.

如果表格有一定数量的片段键(或者分区键)值，而且在片段键上有同等谓词的表格上查询时，它会很有用处。

Here, it allows you to define more expressive notions than strict equality (testing the presence of an element in a set, for instance).

这里，它允许你定义更多表达能力很强的符号，而不止是严格的相等（比如，检查一个组中某个元素的存在性）。

I know he is to spread his that a set of all living things equality theory.

我知道他又在宣扬他的那一套众生平等的理论了。