database index的例句大全

As mentioned before, a database index is critical to performance.

正如上面所提到的那样，数据库索引对性能来说十分关键。

Make it possible for several source databases to use the same index database.

使多个源数据库可以使用相同的索引数据库。

As the volume of image database grows, it is urged to work over high effective index technique to support fast similarity search in very large databases.

图像数据库容量的增长，迫切需要研究高效的索引技术来支持快速相似性检索的要求。

A kind of index table structure, which can compress 13 tables into 1 table, is used in the coding table of database. This structure simplifies creating table in SQL Server and programming in Visual C++.

另一方面，将索引结构应用到编码表的设计中，将多张信息编码表压缩成单张表的形式，该方法的实现大大简化了实际Sql Server建表和Visual c++数据库编程。

Clustering index method supervised by semantic class and Bayes-based semantic video classification method: A perfect video database organization should be that video feature vectors, which are not only semantic relevant but also their visual features themselves similar, are stored continuously.

基于语义监督的特征聚类索引方法和基于Bayes的视频语义分类方法：理想的视频库组织方法应该把语义相关并且特征相似的视频的特征向量相邻存储。

At the stage of database physical design, some indices need to be established on the relative attributes according to the demands of index optimization to optimize database physical structure.

在数据库物理设计阶段，要根据索引优化中的要求在有关属性或属性的组合上建立索引，以优化数据库物理结构；

The design of the main memory-relation database includes the database organization, the index, the transaction priority, back up and restore of the database.

对内存-关系型数据库的设计，主要包括数据库组织、索引结构、事务调度、事务预处理以及数据库的备份和恢复。

The evaluation system of battle strategy is composed of Battle Strategy Database, Digital map database, weapon performance database, force organization database, the impact index database and efficiency analysis software.

作战方案效能分析系统由作战方案数据库、数字化地图库、武器性能库、编制库、作战能力影响因素库和效能分析软件组成。

Secondly, index is one of the key techniques to improve the performance of database.

索引是提高数据库性能的关键技术之一。

A Multidimensional Index Structure for Main Memory Database System

一个适用于内存数据库系统的多维索引结构

As a new object-relational database management system, oracle 8i combines the spatial data and attribute data effectively and provides R-Tree index and QuadTree index which ensure the rapidness and veracity of the spatial query.

Oracle8i是一种新型的对象关系型数据库管理系统，它实现了空间数据和属性数据的有效结合，同时提供参考树和四叉树两种空间索引方式，保证了空间查询的快速性和准确性。

Physical database design includes table design, index design, materialized query table design, and the design of the other physical database objects.

物理数据库设计包括表设计、索引设计、物化查询表设计，以及其他物理数据库对象的设计。

Based on keywords distribution density analysis index database query algorithm.

基于关键字分布密度分析的索引数据库查询算法。

To deal with common land change and historical back operation on Landuse database, this paper puts forward the algorithm of index solution. 3.

并就土地利用数据库中常见的土地变更与历史回溯操作，提出了索引算法的解决方案。

The GIS database can provide full and detailed data of each index factor for every patch of the map;

分别提取每一图斑的各指标因子，并建立相应的数据库；

The index database of SX+ AF+ MX structure has been retrieval with browser ( HTML program), and feedback search results.

通过HTML浏览程序，在SX＋AF＋MX索引数据库中检索，快速反馈检索结果。

And will get keywords stored to design good index database. Finally, the test of system performance.

并将得到的关键词存储至设计好的索引数据库中。最后，研究检验系统的性能。

The property optimization in data maintenance was presented in such aspects: the update of database, the use of index and the prevention of dead lock as well as how to deal with it when it happens.

从使用UPDATE数据库更新、使用索引、防止死锁及死锁处理等方面介绍在数据维护时的性能优化。

As of this writing, I can add just the nodes of a single XML document to an index database at a time, by specifying the document's name as a command-line argument.

在写作本文的时候，我只能通过将文档名作为命令行参数指定，每次将单个XML文档的那些节点添加到索引数据库中。

When a new row is added to a full index page, the database engine moves approximately half the rows to a new page to make room for the new row.

如果向已满的索引页添加新行，数据库引擎将把大约一半的行移到新页中，以便为该新行腾出空间。