statistical database

Temporal modeling is one of the open research problems of statistical database in the logical category .

时间模型是统计数据库在逻辑方面尚未解决的研究问题之一。

TRADSTAT & Statistical Database of World Trade

TRADSTAT&世界贸易统计数据库

Design and Realization of a Statistical Database System

一个统计资料数据库系统的设计和实现

In the future further development of gene technology and clinical statistical database is established , the occurrence of disease genes and future relations will be more accurate .

基因检测成本的下降，使得个体的基因信息将更加容易获取，未来基因技术进一步发展以及临床统计数据库建立后，基因与未来疾病的发生关系将更加精确。

The character of statistical database just accords with the internal demand of OLAP ( On-line Analytical Processing ), because of its multidimensional data structure .

统计数据库具有多维的数据结构特征，符合联机分析处理（OLAP）技术的内在要求。

The duty to statistics departments includes building statistical database for storing and managing the statistical data centrally , collecting , gathering and analyzing data etc.

统计部门的职责包括建设统计综合数据库，以便对统计数据进行集中存储和管理，对数据资源进行采集、汇总，并做分析研究。

However this process is quite tough . Here our statistical information database by data mining is used for predicting protein secondary structure .

本文中，我们利用数据挖掘得到的统计信息数据库对蛋白质的二级结构进行了预测。

A statistical and scientific database definition language based on semantic data model

一个基于语义数据模型的统计与科学数据库定义语言

A Query Language for Statistical and Scientific Database Management Systems

一个统计与科学数据库管理系统的数据操纵语言

Applying Statistical Knowledge to Database Analysis

统计知识在数据库分析和知识库构造上的应用

It is a difficult task to manage the meta-data in statistical and scientific database systems .

统计与科学数据库系统中的元数据管理是一项十分复杂的任务。

The facilities for managing meta-data should be provided by the statistical and scientific database systems .

统计与科学数据库系统需要提供无数据管理工具。

According to the requirement of the statistical and scientific database applications , the operators on the databases are defined in the paper .

针对统计与科学数据库的应用要求，本文以语义数据模型MICSUM2为基础，以C&关系、原子统计表和复合统计表为操作对象，定义了统计与科学数据库上的操作。

The system is designed as six function modules : map control , basic information retrieval , arbitrary combination search , thematic statistical analysis , database management , help and output management . 4 .

界面系统功能设计为：地图控制、基本信息检索功能、条件检索查询功能、专题统计分析功能、数据库管理功能、帮助与输出管理功能六大功能模块。

This report allows you to collect statistical summaries on the database model .

使用此报表可以收集有关数据库模型的统计摘要。

So , the accuracy of getting an optimal plan is entirely dependant on the up-to-date statistical information about the database objects involved in the query .

因此，获得最佳计划的准确性完全取决于关于查询中所涉及的数据库对象的最新统计信息。

The query optimizer uses the SYSSTAT catalog views in the database to retrieve the statistical information of the database objects and determine the best way to access the data .

查询优化器使用数据库中的SYSSTAT目录视图来检索数据库对象的统计信息，并确定访问数据库的最佳方法。

For inference problem in statistical databases , methods of inference attack in statistical database are analyzed and corresponding inference control techniques are summarized .

针对统计数据库中的推理问题，分析了统计数据库可能受到的推理攻击方式，研究了相应的推理控制方式，并分析了各种推理控制方式的局限性。

The MS algebra extends the relational algebra with extended operation semantics , the extended set of operation objects and new algebraic operators that support the statistical analysis queries . MS algebra is a theoretical framework for statistical and scientific database query languages .

二是MS代数包括很多支持统计分析查询的新代数操作，MS代数是构造对用户友好的统计与科学数据库查询语言的理论基础。