That number is used as an index into the partitioning map to select the database partition for that row.
这个号码将用于作为分区映射的一个索引，以选择那一行所在的数据库分区。
When a database partition group is created or modified, a partitioning map is associated with it.
当创建或修改一个数据库分区组时，就会有一个与之关联的分区映射。
Just as a city map is organized into sections using a grid, the database manager USES a partitioning key to determine the location (the database partition) where the data is stored.
就像城市地图按网格分成一些区一样，数据库管理器使用分区键来确定数据所存储在的位置(数据库分区)。
The partitioning map is created when a database partition group is created.
当创建数据库分区组时，同时会创建分区映射。
It USES a map, called a partitioning map, to find the data.
数据库管理器使用一个称作分区映射的映射来发现数据。
The number at that location in the partitioning map is the number of the database partition where the row is stored.
分区映射中的号码就是表所在的数据库分区的分区号。
The partition number is used as an index into the partitioning map.
分区号用作分区映射的索引。
If a database partition group had been created in the database using database partitions 1 and 2, the partitioning map for that database partition group would be.
如果在使用数据库分区1和2的数据库中创建了一个数据库分区组，那么这个数据库分区组的分区映射为。
In a non-partitioned database, no partitioning key or partitioning map is required.
在一个非分区数据库中，不需要分区键或分区映射。
A partitioning map is an internally generated array containing either 4,096 entries for multiple-partition database partition groups, or a single entry for single-partition database partition groups.
分区映射是内部生成的数组，对于多分区的数据库分区组，这个数组包含4,096个条目，对于单分区的数据库分区组，这个数组只包含一个条目。
For example, assume that you have a database created on five database partitions (numbered 0-4). The partitioning map for the IBMDEFAULTGROUP database partition group of this database would be.
例如，假设您在5个数据库分区(分区号为0 - 4)上有一个数据库。
For example, assume that you have a database created on five database partitions (numbered 0-4). The partitioning map for the IBMDEFAULTGROUP database partition group of this database would be.
例如，假设您在5个数据库分区(分区号为0 - 4)上有一个数据库。
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