Each subset is known as a database partition group.
每个子集称作一个数据库分区组。
Redesigned redistribute database partition group utility
重新设计的重分发数据库分区组实用程序
Any database partition can become a coordinator partition.
任何数据库分区都可以成为协调分区。
A database partition can belong to more than one partition group.
一个数据库分区可以属于不止一个分区组。
A database partition group is a set of one or more database partitions.
数据库分区组是由一个或多个数据库分区组成的一个组。
The joined tables must be defined in the same database partition group.
被合并的表必须在相同的数据库分区组内定义。
Any database partition can be used as or can become a coordinator node.
任何数据库分区都可以用作协调节点，或者被变成协调节点。
Figure 3. DB2 object-relationship diagram for a given database partition.
图3说明了给定分区的数据库对象之间的关系。
Next, a directory designating the database partition is added (/NODE0000).
接下来，添加了一个指定数据库分区的目录（/NODE0000）。
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。
Generate buffer pool, tablespace, and database partition group information.
生成缓冲池、表空间和数据库分区组信息。
This is the layout for database partition groups, buffer pools and tablespaces.
这是用于数据库分区组、缓冲池和表空间的布局。
For example, Figure 5 shows a database partition group made of five partitions.
例如，图5展示了一个由5个分区组成的数据库分区组。
Note: Remember to redistribute the IBMDEFAULTGROUP database partition group too.
注意：记住也要重分发ibmdefaultgroup数据库分区组。
IBMTEMPGROUP is - default database partition group for system temporary tablespaces.
IBMTEMPGROUP -用于系统临时表空间的默认数据库分区组。
Each database partition has its own set of computing resources, including CPU and storage.
每个数据库分区有它自己的一组计算资源，包括CPU和存储。
In this case, the 'database partition group 1' spans all but one of the database partitions.
在这种情况下，Database PartitionGroup1横跨除一个数据库分区外的所有数据库分区。
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。
IBMCATGROUP - default database partition group for the tablespace containing the system catalogs.
IBMCATGROUP-用于包含系统编目的表空间的默认数据库分区组。
IBMDEFAULTGROUP - default database partition group for the tablespaces containing the user tables.
IBMDEFAULTGROUP-用于包含用户表的表空间的默认数据库分区组。
The database partition group RDST_V10_015 is being redistributed with a new partition being added.
这里正在用一个新添加的分区对数据库分区组rdst_v10_015进行重分发。
In other words, the total performance is tied to the performance of the slowest database partition.
换言之，整体的性能受制于最慢的数据库分区的性能。
Ideally, each database partition in a hash-partitioned table should hold the same number of records.
理想情况下，一个哈希分区表内的每个数据库分区都应具有相同数量的记录。
Data balancing refers to the relative number of records stored on each individual database partition.
数据平衡指的是存储在各个数据库分区的记录的相对数量。
At this point, the definition of the table is tied to the definition of the database partition group.
至此，此表的定义与数据库分区组的定义相关联。
The catalog partition is the database partition where the catalog tables for the database are stored.
编目分区是存放数据库编目表的数据库分区。
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。
The administration node has a single database partition, and each data node has four database partitions.
管理节点具有单个数据库分区，每个数据节点都有4个数据分区。
DPF enables data to be added more quickly because each database partition can process the work in parallel.
通过DPF可以更快速地添加数据，因为每个数据库分区可以并行工作。
Since each database partition has local indexes on its data there is increased performance for local data access.
由于每个数据库分区都有它的数据上的本地索引，因此提高了本地数据访问的性能。
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