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。
3
I know he is to spread his that a set of all living things equality theory.