• Use segmented or partitioned table Spaces.

    使用分段的或分区的表空间。

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  • Attaching a populated table to a partitioned table.

    将一个已填充的表添加到一个分区表。

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  • Individual dataset of a non-partitioned table space.

    非分区表空间的单个数据集。

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  • Example: Create a partitioned table and a partitioned index.

    示例:创建已分区表和已分区索引。

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  • A partitioned table in DB2 9 can be up to 512 exabytes in size!

    DB 2Viper中的一个分区表最大可以达到512exabyte !

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  • Q: How can I tell if an index on a partitioned table is partitioned?

    Q:我如何能辨别已分区表上的索引是否被分区?

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  • Partitioned: A partitioned table space may contain only a single table.

    分区表空间:分区表空间只能包含一个表。

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  • Complete table space (Non-partitioned or all partitions of a partitioned table).

    完整的表空间(非分区的或分区表的所有分区)。

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  • In general, the larger the table, the more reason to create it as a partitioned table.

    通常,表越大,就越有理由将其创建为分区的表。

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  • Howerver, gathering global statistics for the partitioned table may still be necessary.

    有时候表的全局的统计信息也是很重要的。

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  • TableName: Identifies the partitioned table, by name, that a partition is to be removed from.

    TableName:按照名称指定将从中删除分区的分区表。

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  • TableName: Identifies the partitioned table, by name, that a new partition is to be added to.

    TableName:通过名称标识将添加新分区的分区表。

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  • DB2 10 can now automatically reorganize disjoint partition ranges of a partitioned table space.

    DB 210现在支持自动重新组织分区表空间的不相连分区范围。

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  • The following syntax examples demonstrate the steps necessary to create a hash-partitioned table.

    如下的语法示例展示了创建一个哈希分区表所需步骤。

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  • Q: How do I calculate the table and index size for a partitioned table (or any table for that matter)?

    Q:如何计算已分区表(或者任何相关的表)的表大小和索引大小?

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  • 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。

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  • If the SQL table was a partitioned table, each partition (member) could have a separate media preference.

    如果sql表是一个分区表,每个分区(成员)都可以有一个单独的媒介首选项。

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  • Limited partition scan is a method that allows DB2 to limit the scan of data in a partitioned table space.

    限定分区扫描允许DB 2将数据扫描限制在一个分区表空间中。

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  • Just as you can add or attach new partitions to a partitioned table, you can also remove existing partitions.

    正如可以向分区表添加或附加新分区一样,也可以删除现有分区。

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  • When such a statement is executed, a new table is created and logically made a part of the partitioned table.

    执行这样一个语句时,一个新表将创建,并在逻辑上构成分区表的一部分。

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  • Before an existing base table can be added (attached) to a partitioned table, the following conditions must be met.

    只有满足以下条件,现有基表才能被添加(附加)到分区表。

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  • Those interested in this can read the white paper Partitioned Table and Index Strategies Using SQL Server 2008.

    对此感兴趣的读者可以阅读白皮书《使用SQL Server 2008的分区表和索引策略》。

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  • Any indexes on the table being attached that match the existing local indexes on the partitioned table can be utilized.

    已分区表上的任何与现有本地索引相匹配的、附加在该表上的索引都可用。

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  • Under index-controlled partitioning, the concepts of partitioned table, partitioning index and clustering were all intertwined.

    对于索引控制的分区方法,分区的表、分区索引和群集这几个概念之间有点纠缠不清。

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  • Hash partitioning is the method by which the placement of each row in the partitioned table is determined. The method works as follows.

    散列分区是用于确定每一行在分区表中的位置的方法。

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  • The source table must be a nonpartitioned table or a partitioned table that has only one partition and no attached or detached partitions.

    源表必须是非分区表,或者是只拥有一个分区且没有已附加或已分离的分区的分区表。

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  • Starting in DB2 Version 9.7 Fix Pack 1, you can create an index over XML data on a partitioned table as either partitioned or nonpartitioned.

    从DB2Version 9.7FixPack1 开始,在分区的表上创建的XML数据索引可以是分区的,也可以是不分区的。

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  • Reorganizing a partition will put the entire table offline if the partitioned table has any global indexes besides XML column path indexes.

    如果已分区表包含任何xml列路径索引以外的其他全局索引,重组一个分区会导致整个表脱机。

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  • Thus, if you wanted to add an empty partition to a partitioned table named SALES, you could do so by executing an ALTER table statement similar to this.

    这样,如果您想添加一个分区表名为SALES的空分区,可以执行一个与下面类似的ALTERtable语句。

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  • You are either designing a new table that will be hash-partitioned, or you have an existing hash-partitioned table that might have a data skew problem.

    您正在设计一个将被哈希分区的新表,或者您已经有了一个哈希分区的表,并且此表有可能会存在数据倾斜问题。

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