数据库软件

Yangjiang Vocational Technical College Computer Science Department, Yangjiang 529566 Abstract : The group has done a small system is through the application of database software tools for Visual Basic produced music player, is a simple, mini small players.

阳江职业技术学院计算机科学系，阳江529566 摘要：本小组所做的小系统是通过应用数据库软件工具Visual Basic制作而成的音乐播放器，是一个使用简单、迷你的小型播放器。

This article detailedly expatiated upon the principles, contents and methods of cropland classification; it analyzed the necessity to combine the work of cropland classification with GIS technology, summarized the attributions of ARC/INFOand some other related softwares; it established the technologic route of cropland classification supported by GIS, by a case study in Liwu Town,Li County Hebei Province, this article expatiated the practicable mechanism of combining the function of ARC/INFO with the work of cropland classification, and put forward some new ideas and approaches of utilizing GIS: this paper put forward the idea of coding the polygons in the basic graphic database such as soil map and land use map according to their attributes, and put forward the detailed coding project; based on the code databases, it expatiated upon the detailed approaches to create single梖actor map and output the final classification map; it put forward the principles and the method of creating classification units in the environment of GIS, that is how to keep the lines of soil polygon, the border of districts and the important objects such as residential areas, banks of rivers and roads ,and how to overlap single梖actor soil map and land use map, and to delete some vector lines of the overlapped map appropriately; it detailed the methods of creating mathematic model of classification coefficients in the environment of computer, and used FOXPRO6.0 programs to realize the automation of calculating coefficients; it represented the method of plotting the final map by overlapping various coverages according to the code tables and lookup tables, the process of outputting the cropland classifying map was finished by program.

本文法对耕地等别划分的原则、内容及方法作了较详细的阐述，介绍了多系数综合修正法的耕地等别计算方法及其具体应用和AHP的确权方法；分析了耕地等别划分工作与地理信息系统技术相结合的必要性，简要介绍了地理信息系统软件ARC／INFO及其他相关软件的功能特点，制定了地理信息系统支持下耕地等别划分的技术路线，通过对河北省蠡县蠡吾镇的实证研究，重点阐述了ARC／INFO及相关数据库软件与耕地等别划分结合的有效机制及GIS应用的一些新思想、新方法：提山了对土壤图和土地利用现状图等基础图形数据库进行特征编码的思想和具体的编码方案，阐述了基于与图形库相链接的特征编码表，单因素图提取、成果图的输出的具体实现方法；提出了GIS环境下耕地单元划分的原则和方法，即在保留土壤因素图斑界线、行政界线和重要地物等的原则下，将土壤单因素图和土地利用现状图进行拓扑叠加，对叠加图中的矢量线进行适当的删除；阐述了在计算机环境下，耕地分等参数计算模型建立的方法，并用FOXPRO6.0语言程序实现了参数计算的自动化；阐述了根据图形库特征编码表和建立绘图符号查找表，按不同图层叠加绘制成果图的方法，该过程用命令程序实现耕地等别图的输出。

"Database" on the Access database software system and the basic concept of how to use.

数据库》介绍了Access数据库软件系统的基本概念和使用方法。

An instance is a copy of the database software running in memory.

数据库软件的一个实例是指软件在内存中运行的一个副本。

Recently, I was working on database software which requires an input control used for MAC addresses.

最近，我正在工作的数据库软件，该软件需要输入MAC地址控制使用。

A database software of the shiplock′s filling and emptying system which combines image display and attribute search is developed by using the Object Oriented technology and GIS, and functions of the software are presented.

运用面向对象开发工具及地理信息系统技术，开发了图形显示与属性查询有机结合的船闸输水系统数据库软件，并介绍了软件功能。

Data base applied by this system is Structured Query Language SQLServer , the what be put into use proscenium exploitation implement software is JAVA.

本系统所应用的后台数据库软件为结构化查询语言SQLServer，所使用的前台开发工具软件是JAVA。

In order to strengthen the management of Yangzh ou's groundwater resource, a database software system of hydrogeology informatio n has been set up on Chinese Windows with Visual Basic 6.0 Programming Language .The database software system has a sodality human-machine interface and visibi lity,and is easily used.

为了进一步加强对地下水资源的管理和预测目的，我们在中文Windows98平台上，运用目前具有兼容多种数据库、可视化很强和运算能力较好的Visual Basic 6.0程序语言，研制一个操作简便、界面友好、可视化强的地下水资源管理信息可视化数据库软件系统。

By this ERD, the physical database could be created using Microsoft SQL or other database software, which could provide highly effective query operation to serve the agricultural production.

依据此图可以在Microsoft SQL或其他数据库软件下建立物理的数据库，建立良好的查询，为农业生产等应用提供服务。

It is a DataBase Manage System which was empoldered by Microsoft , its function is powerful, and so far it is a preferred database software when exploituring medium-sized database in the market.

本网站选用的是Access数据库，它是美国Microsoft公司开发的数据库软件，具有强大的数据库管理功能，可以说是迄今为止市场上开发中型数据库首选的数据库软件之一。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。