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。
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。
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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