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- Dedicate a separated file system for logging for different database partition. 使用单独的文件系统用于记录不同的数据库分区。
- 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。
- For supporting a secured environment, you should use OpenSSH instead of rsh in the database partition environment. 为支持一个受安全保障的环境,在数据库分区环境中,应该使用OpenSSH,而不是rsh。
- The processors on each system are used by the database manager at each database partition to manage its own part of the total data in the database. 每个数据库分区上的数据库管理器使用每个系统上的处理器来管理数据库中属于该分区的那部分数据。
- Small tables should be placed in single-partition database partition groups, except when you want to take advantage of collocation with a larger table. 除非想要利用与更大的表的并置,否则应该将小型的表放在单分区的数据库分区组中。
- For multiple-partition database partition groups, the partition numbers of the database partition group are specified in a round-robin fashion. 对于多分区数据库分区组,数据库分区组中的分区号是以循环的方式指定的。
- A database partition is a part of the database, complete with user data, indexes, configuration files, and transaction logs. 一个数据库分区是数据库的一部分,其中具有用户数据、索引、配置文件和事务日志。
- Collocation can also occur when a table is located within a single partition database partition group defined on the same partition as another table. 如果一个表在一个单分区数据库分区组中,且该分区组是在另一个表所在的同一个分区上定义的,那么也可以发生并置。
- The program will create and populate Warehouse Manager Control tables, which will reside in a single-partition SMS tablespace on database partition number 0. 程序将创建并填充Warehouse Manager Control表,其将位于数据分区编号0中的单一分区SMS表空间中。
- If there is no space character in the container name after the database partition expression, it is assumed that the rest of the string is part of the expression. 如果容器名称中在数据库分区表达式后面没有空格字符,则认为剩下的字符串是表达式的一部分。
- 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。
- Scenario One is the case where all instances of the application use the same database instance but each instance of the application uses a different database partition. 场景一是这样一个案例,所有的程序实例使用相同的数据库实例,但是每个程序实例使用不同的数据库部分。
- Avoid extending medium-sized tables across too many database partitions. 应避免使中等规模的表横跨太多的数据库分区。
- The coordinator partition runs on the same database partition as the application, or in the case of a remote application, the database partition to which that application is connected. 协调分区与应用程序运行在同一个数据库分区上,或者,对于远程应用程序,协调分区运行在应用程序所连接的那个数据库分区上。
- Terminate the database partition expression with a space character; whatever follows the space is appended to the container name after the database partition expression is evaluated. 数据库分区表达式以一个空格字符结束;数据库分区表达式计算完毕后,空格后的内容附在容器名称的后面。
- 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。
- 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。
- Multi-partition database partition groups can only be defined with database partitions that belong to the same instance. 多分区数据库分区组只能用属于相同实例的数据库分区来定义。
- Tables within a partitioned database can be located in one or more database partitions. 在分区数据库中,一个表可以分布在一个或多个数据库分区中。
- This ensures that container names are unique across partitions, by using the database partition number as part of the container name. 通过使用数据库分区号作为容器名称的一部分,可以确保容器名称在各分区当中是惟一的。