指示空间索引的名称。
现在我们将讨论最显著的一个方面,也就是对空间索引的使用。
We will now discuss the most obvious one, the exploitation of spatial indexes.
实验表明,空间索引的引入,大大提高了数据质量检查效率。
The experiment shows that these two index methods greatly improve the efficiency of spatial data quality detecting.
用于定义在查询执行期间空间索引的搜索范围的范围生成器函数。
Range producer function to define the search ranges for the spatial index during query execution.
告诉DB 2优化器在哪些条件下可以使用空间索引的空间谓词。
Spatial predicates that tell the DB2 optimizer under which conditions a spatial index could be exploited.
引入SDE空间数据索引技术,通过改善空间索引的性能来优化空间数据库。
Optimize the spatial database by improving space data index performance based on SDE.
针对空间数据的访问控制的特点,提出了基于空间索引的区域访问控制概念。
Aim at the characters of spatial data access control, the concept of spatial region access control based on spatial index was proposed.
使用快速生成的四叉树进行区域查询,在提高查询效率的同时,有效缩短构造空间索引的时间。
It used a fast-created quad-tree to execute region query, which not only improved the query efficiency, but also shortened the time of constructing a spatial index.
然而,如果由于空间索引的复杂性质导致DB 2 REORGTABLE命令不理解空间索引,事情就不会那么容易了。
However, it is not so easy for spatial data given that the DB2 REORG TABLE command does not understand spatial indexes due to their complex nature.
一个数据库系统,其中大多数数据是空间索引的,依靠它可以操作一系列的过程,从而回答在这个数据库中关于空间实体的请求。
A database system in which most of the data are spatially indexed, and upon which a set of procedures operated in order to answer queries about spatial entities in the database.
解码器必须创建一个认知空间,在该认知空间中可以通过索引来实现专门的元素和术语。
The decoder has to create a cognitive space in which the deictic elements and terms can be realized indexically.
关于表空间和索引节点组或分区的信息。
Information about the table space and index node groups or partitions.
额外的空间可以降低溢出和索引页拆分。
每个数据分区的索引分区可以位于不同的表空间中。
The index partition for each data partition can be in a different table space.
当然,这还要求为数据和索引创建单独的表空间。
Of course, this also requires that you create separate tablespaces for data and indexes.
它包含表、索引、表空间和缓冲池的控制块信息。
It contains control block information for tables, indexes, table Spaces, and buffer pools.
因此,应提供足够的缓冲池空间来支持索引读操作。
Thus, provide sufficient buffer pool space to support index reads.
附加的数据分区具有与其数据处于不同表空间中的索引。
The data partition being attached has indexes in a separate table space from the data.
管理方面的一个优点是用于索引的存储空间减少了。
An administration benefit is that storage space for indexes is reduced.
shx—存储图形的空间索引,使呈现及其他操作更快。
Example.shx - Stores a spatial index of shapes, making rendering and other operations faster.
为COPY启用的索引空间。
输出中首先给出进程虚拟地址空间的索引
The output begins by showing an index into the virtual address space for the process
本文的末尾是关于使用Lucene和Solr索引和搜索空间信息的方法的讨论。
I'll round out the article with some discussion of the approaches available for indexing and searching spatial information using Lucene and Solr.
这些空间均已列于我们的所有空间的索引。
您应该在单独的一个表空间上创建索引,这样如果索引表空间出现问题,您可以直接删除该表空间,然后重要创建相同的索引。
You should create an index in a separate table space so that if something goes wrong with the index table space, you can easily drop it and then recreate the same indexes.
除了索引或谓词与通配符和名称空间的包容性之外,索引合格性的第二个要求是谓词和索引的数据类型必须匹配。
In addition to proper index or predicate containment with wildcards and namespaces, the second requirement for index eligibility is that data types of predicates and indexes need to match.
很多DB 2专家声称,只有为表空间建立恰当的索引,才是使得访问该表空间中DB 2数据的应用程序的性能达到最佳、最有效的效果。
Many DB2 experts claim that building the right indexes for a table space may be the single most effective means for optimizing the performance of applications accessing that DB2 data.
将用于表空间和索引的分区放在单独的DASD卷中,并且,如果可能的话,要隔开控制单元,以减少I/O争用。
Place the partitions for the table space and indexes on separate DASD volumes and (if possible) separate control units in order to minimize I/O contention.
PCTFREE 告诉DB2在装载或重组数据时,表空间或索引中的每个页要留出多少百分比的空余空间。
PCTFREE indicates to DB2 what percentage of each page in the table space or index to leave free when either loading or reorganizing the data.
PCTFREE 告诉DB2在装载或重组数据时,表空间或索引中的每个页要留出多少百分比的空余空间。
PCTFREE indicates to DB2 what percentage of each page in the table space or index to leave free when either loading or reorganizing the data.
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