The global path index results in improved storage efficiency and minimizes the path look-up time for XQuery execution.
借助全局路径索引,可以提高存储效率,并最小化XQuery执行的路径查询时间。
This paper examines the class hierarchy index, nested-attribute index, path index and multiindex, and puts forward the corresponding algorithms of index maintenance.
本文研究类层次索引、嵌套索引、路径索引和多重索引 ,并给出相应的索引维护算法。
This paper analyzes data retrieval of XML currently, and proposes a kind of path index technology which have been combined with inverted file to implement retrieval both on context and structure.
该文分析了当前对XML数据检索的相关工作,提出了一种路径索引技术,并将之无缝结合了基于文本的倒排索引文档,以实现XML文档的内容和结构的双重检索。
To use it you must instantiate it with a path that it can write the index into.
如果要使用它,你必须将其实例化,并传入用于创建索引的路径。
Index design has a critical impact on access path selection.
索引设计对访问路径选择至关重要。
Wherever possible, it is recommended to use the exact path to the desired elements or attributes in index definitions and queries, without wildcards.
只要有可能,建议使用索引定义和查询中所需元素或属性的准确路径,而不使用通配符。
An appropriate access path means that an index is available and used so that the index drives the access to the data.
恰当的访问路径意味着一个索引可用并且已使用,所以该索引能够方便地对该数据进行访问。
A new feature of the query optimizer supports a new type of index scan, called an index self-join path.
查询优化器的一项新特性支持一种新的索引扫描,即索引自连接路径。
From the refractive index of each path it is possible-with the application of some suitably crunchy computing power-to produce a three-dimensional image.
从每条路径的折射率——再运用一些适当的计算处理能力——就可以组成一个三维图像。
Accurate and complete statistics will help drive good access path advice, and of course the index advisor should not be executed without good statistics.
准确而全面的统计数据能帮助生成良好的访问路径建议,当然,索引advisor工具执行时要有准确的统计数据。
An index scan is typically shown in Query Tuner as a group of four nodes in the access path graph.
在访问路径图中,一个索引扫描通常作为一组四个节点显示在QueryTuner上。
In that case, reorganizing the index might lead to its selection as part of a better-performing query access path.
在这种情况下,重新组织索引可能会影响DB2的选择,可能产生性能更好的查询访问路径。
OmniFind does not support using an IFS path to index object types other than stream files at this time.
目前,OmniFind不支持使用IFS路径来索引流文件以外的对象类型。
The XISCAN probes the index with the path-value pair (/book/price, 29) and returns the row IDs for documents where the price is 29.
XISCAN 使用路径值对(/book/price,29) 来检查索引,并返回其中价格为 29的文档的行ID。
So, I'm going to implement the index method on Play's Application class (which is invoked by default if you hit the root path) to quickly return some text.
因此,我还要在Play的application类(在浏览器命中根路径时默认调用)上实现index方法以快速返回一些文本。
There is no FETCH or table node shown in the access path graph because it is an index-only scan.
因为其是一个唯一索引扫描,所以在访问路径图中不显示FETCH或表节点。
Type columns, a PATH secondary index may be able to speed up the search.
类型列指定路径表达式,则PATH辅助索引可以提高搜索的速度。
If you add a PATH secondary index, you may also improve the search performance in such queries.
如果添加PATH辅助索引,则您还可以改善此类查询的搜索性能。
The index does not contain "price" elements at a deeper level, which may exist in the table and are potential matches for the predicate path $i//price.
索引没有包含更深层次的 “price”元素,表中可能存在该元素且可能与谓词路径 $i//price 相匹配。
Path name to the main storage file. the names for supplemental files, including index and lock files, will be computed from this.
主存储文件的路径名。追加的文件名称,其中包括索引和锁文件,都是从这里计算的获得的。
In the path secondary index, the path and node values are key columns that allow efficient seeks when searching for paths.
在PATH辅助索引中,路径值和节点值是用于提高路径搜索效率的键列。
Path analysis was studied about 141 accessions involving pollen fertility, anther dehiscence index, embryo sac fertility and seed setting rate.
对141份野生稻的花粉育性、裂药指数、胚囊育性和结实率进行通径分析。
In order to establish efficient access path, the authors put forward a structure index for XML data, and introduce a method of implementing operations based on.
为了建立高效地访问路径提出了一种XML数据的结构索引,并介绍了利用结构索引实现基本的数据操作的方法。
In order to establish efficient access path, the authors put forward a structure index for XML data, and introduce a method of implementing operations based on structure index.
为了建立高效地访问路径提出了一种XML数据的结构索引,并介绍了利用结构索引实现基本的数据操作的方法。
Path planning is to find a trajectory from the initial point to the target point which satisfies a certain performance optimal index under some constraints.
路径规划问题一般是指在一定约束条件下,寻找从给定起始点到给定目标点之前满足某种性能指标最优的路径轨迹。
The path planning carried out by this index will give a minimum joint driving torque.
根据该指标所进行的轨迹规划可以获得最小的关节驱动力矩。
We found the essence of path analysis of selection index is analysis of correlative heritability between traits and aggregate genotype.
通过分析得出选择指数的通径分析的实质是选择性状与复合育种值的相关遗传力分解。
Multiple index and multi-parameter system of design partition in this paper constitutes a concrete path established by the design of the foundation.
不同设计分区下的多指标和多参数体系构成了本文所建立的道路混凝土组成设计方法的基础。
Restricted selection index was treated as comprehensive selection index with changed electronic weight. Path analysis of restricted selection index was also completed.
对于约束选择指数是将其看作改变了经济权重的综合选择指数进行处理,从而得出了其通径分析。
Restricted selection index was treated as comprehensive selection index with changed electronic weight. Path analysis of restricted selection index was also completed.
对于约束选择指数是将其看作改变了经济权重的综合选择指数进行处理,从而得出了其通径分析。
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