Indicates the name of the spatial index.
指示空间索引的名称。
Indicates that a spatial index is selected.
指示选择的是空间索引。
You can delete a spatial index when you no longer need it.
不再需要某个空间索引时，可以将其删除。
Spatial index is a key issue in massive spatial data processing.
海量空间数据的处理需要通过空间索引来提高效率。
Traditional technology of index can not be used efficiently in spatial index.
传统的索引技术不能有效地索引空间数据。
The spatial extender provides an index advisor that helps you to tune your spatial index.
spatial extender提供了一个indexadvisor，以帮助您调优空间索引。
Example.shx - Stores a spatial index of shapes, making rendering and other operations faster.
shx—存储图形的空间索引，使呈现及其他操作更快。
Besides actually creating a spatial index, you have to be familiar with the last one, however.
除了真正创建一个空间索引外，您还必须熟悉最后一个部分。
Here we explain what you have to do to give the DB2 optimizer the choice to use a spatial index.
这里我们解释您应该做些什么，以便让DB 2优化器选择使用一个空间索引。
Range producer function to define the search ranges for the spatial index during query execution.
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。
Selected Spatial Index list displays any spatial indexes that have been defined for the table.
“已选空间索引”列表显示为表定义的所有空间索引。
At last, the adaptation conditions of above spatial index methods are discussed during their...
最后，在算法效率分析的基础上，对两种索引方法所适应的条件进行了讨论。
You modify a spatial index by clicking it in the list and changing one or more of its properties.
若要修改某个空间索引，可以在该列表中单击该索引，然后对它的一个或多个属性进行更改。
Spatial predicates that tell the DB2 optimizer under which conditions a spatial index could be exploited.
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。
You can add more than one spatial index to each spatial column, but you must create them one at a time.
可以为每个空间列添加多个空间索引，但必须一次创建一个。
You can create more than one spatial index for each spatial column, but you must create them one at a time.
可以为每个空间列创建多个的空间索引，但必须每次只创建一个空间索引。
Then, owing to the study to traditional spatial index, a new method: spatial data extension index is raised.
通过对传统的空间检索方法研究，提出了“基于空间数据扩展属性的检索”这一方法。
At last, the adaptation conditions of above spatial index methods are discussed during their algorithm analysis.
最后，在算法效率分析的基础上，对两种索引方法所适应的条件进行了讨论。
Performance might improve because rows locks can better avoid deadlocks with collocated rows in the spatial index.
性能可能会提高的原因是行锁定可以更好地避免空间索引中按顺序排列的行出现死锁。
Based on the analysis of the current spatial index method characteristics, a kind of partition index file method is designed.
在分析现有空间索引方法特点的基础上，设计了一种分区索引文件方法。
Now that the spatial table is populated, it is time to add a spatial index to support spatial queries; in DB2 that is a grid index.
既然已经填充了空间表，就应该添加空间索引来支持空间查询了；在DB 2中这是一个网格索引。
Power GIS needs to deal with a variety of spatial data effectively, so it requires a high-performance spatial index structure.
电力GIS系统需要对各种空间数据进行有效处理，这就要求有一个高性能的空间索引结构。
Spatial index is the vital technique for improving storage efficiency of spatial databases and the spatial retrieve performance.
空间数据库的索引是提高空间数据库存储效率和空间检索性能的关键技术。
The spatial index is the key technique for improving the storage efficiency of spatial databases and the spatial retrieve performance.
空间数据库的索引是提高空间数据库存储效率、空间检索性能的关键技术。
Aim at the characters of spatial data access control, the concept of spatial region access control based on spatial index was proposed.
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。
A spatial index is an extended index built on top of DB2's extensible indexing framework (see the Resources section for an article on index Extensions).
空间索引是建立在DB 2可扩展索引框架(请参阅参考资料一节，找到关于Index Extensions的那篇文章)之上的一种扩展的索引。
A rectangular region of geography is roughly partitioned in several times to multilevel sub-regions, in which spatial index of R-tree has been constructed.
该方案首先将矩形地理空间进行租网格划分建立多级网格索引，然后针对每个小网格建立基于R树的空间索引。
According to the characteristics of spatial index of grids and R-tree, a hybrid structure of spatial multilevel index is presented based on grid and R-tree.
结合网格索引和R树索引的特点，提出了一种基于网格与R树的多级混合索引。
Spatial index plays an important role in the organization and searching of datum for GIS. People searching spatial index have proposed many algorithms of it.
空间索引在GIS数据的组织和检索中具有重要的作用，研究者对空间索引技术进行了广泛的研究，提出了许多索引算法。
We summarize that spatial index system should provides three kinds of spatial query, they are, spatial range query, nearest neighbor query, spatial join query.
本文总结出空间索引系统应提供的三类空间查询：空间范围查询、最近邻居查询、空间连接查询。
应用推荐