Ps22Pdf 关键词 : 范围分割 ; 负载平衡 ; 非平衡率 ; 代价模型 [gap=644]Key words: Range-partition; Load Balance; Imbalance Ratio; Cost Model
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range partition 范围分区 ; 创建范围划分 ; 定界分割 ; 范围分片
adaptive range partition theorem 自适应值域划分定理
adaptive range partition theorem 1 自适应值域划分定理
partition by range 范围分区
partition range 分区范围
PARTITION RANGE ALL 扫描全分区
PARTITION RANGE INLIST 不连续扫描多个分区
If database partitioning and range partitioning are used together, the rows in a table are first hashed across the database partitions and then range-partitioned within each database partition.
如果数据库分区和范围分区一同使用，那么表内的行首先会跨数据库分区做散列处理，然后再在每个数据库分区中执行范围分区。
With TP, the user can manually define each data partition, including the range of values to include in that data partition.
通过TP，用户可以手动地定义每个数据分区，包括将被包括到那个分区的值的范围。
Data is partitioned by node, so these queries can each be answered by a single partition, using an indexed range query.
数据根据节点分块，所以这些查询能分别在各自的数据块，通过一个索引过的范围查询得到结果。
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