Access2000关系型数据库Access2000-Relational-Database大学毕业论文外文文献翻译及原文

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　　翻译日期： 2017.02.14

　　Access2000关系型数据库

　　原文：

　　Access2000 Relational Database

　　Members of the Office family, the people of Access2000 understanding, often limited in its interface, for the database management function is still at the establishment table, data entry, Use Form guide Reporting Wizard, Data Access2000Page Wizard and other simple applications. In fact, the functions of the Access2000 is a powerful and beyond your imagination. It is released from Microsoft Access2000functions since most comprehensive, Windows and the Internet more closely with the database software, is a very powerful, and simple, easy-to-use database management system (DBMS) that the database storage, processing and management system. Access2000 relational database management system is Microsoft Office Public automation software as an integral part. It can effectively organize, manage and share the information in the database, and database information with the Web together. Through the Internet to share database information with the basic platform. With the development of information technology. Information technology platform is often the choice of establishing or re-establishing applications of the key issues, the database is part of the need to make a choice as a key platform.

　　Access2000 as a relational database management system small and medium- sized information management system ideal development environment, the current database in the field, there are more and more people use. It is a powerful database management system MIS development tools.

　　The database is stored together a collection of relevant data, the data is structured. The database is a data storage and data operation of the tool. The role of the database is to organize and present information, in short, the database is a collection of information. Computer database can be divided into two categories: non-relational database (flat-) and relational database (relational).

　　Relational database contains a number of data tables, databases containing various parts

　　of the terminology, like records. Relational database management system has the technological dominance of the mainstream, but this traditional database management systems by using two-dimensional data model, and there are inherent limitations and restrictions. It difficult to adapt to today's rapidly changing business needs, and the development of new technologies.

　　With the rapid IT development, data processing, not only in quantity increasingly demanding, but also the quality of increasingly high demand, database management data has been a fundamental change. This change to the database technology has brought tremendous challenges, Object database management is no longer limited to text data and other simple data types. And the description and the need to preserve a lot of complex unstructured multimedia data, and the relationship between the data. Furthermore, in the wake of popular websites surge in the number of visits to its own database storage mechanism, a large number of concurrent users to the demand, storage efficiency in the use of space, and data integrity and security, and other aspects of higher demand. These are not traditional relational database, the use of a simple two-dimensional table structure of the meet.

　　Access2000 is the relational database development tools, database pooling information for the inquiry, Storage and retrieval. Access2000 the advantage lies in its ability to use data map or custom windows to collect information. Data provides a map similar to the Excel spreadsheet, database transparent. In addition, the Access2000 allows creation of custom statements to print or export the information in the database.

　　Access2000 also provides a data repository. Can use desktop database file to extend the database file at the network file server and other network users to share databases? Access2000 is a relational database tools, database development, is the most common databases. As noted above, as an Access2000 database development possesses many advantages, in a data packet available at the same time facilitate the desktop database and a powerful relational database functions.

　　In Access2000, with the user database access permissions are two types: Explicit and implicit powers authority. Explicit authority is granted a direct user account competence, which is the exclusive use of user accounts, has nothing to do with other users. Implicit

　　authority is delegated the authority group account, the user added to the group was given by the group's mandate. If a user with the same time these two powers, the right set of user security database for a visit, then He had such authority is the intersection of the two powers. The Access20002000database, the group of users’ access to the database and the authority set up work, completed only through the administrator. Set up the authority include: Open/Run, read design, design modifications, management, read data, update data insertion and deletion of data.

　　Relational database management system inherent limitations in the following three aspects:

　　Relational database used in the two-dimensional table data model, can not effectively handle the majority of business applications, Typical of multidimensional data. Its inevitable result is that in complex ways, the interaction of the dramatic increase in the number of tables, not very good but also to provide realistic simulation of the data model.

　　Relational database as they use more data model, which might lead to a massive storage space and wasting a lot of increase, and cause the system to respond to the declining performance. Furthermore, the data in reality, there are many types of relational database is not well addressed.

　　Static applications such as report generation, and the design of the relational database management system after no response and efficient business processing for the optimization process. The result is often some relational database products, in the GUI and Web Services processing, not achieved the desired results. Unless additional hardware investment, but it does not resolve the fundamental problem.

　　Relations with the two-dimensional database table data model can deal with the majority of business application of a typical multi- dimensional data, but the results are often the establishment and use of a large amount of data forms, it is difficult to establish a simulation of real-world data model. And the need for data output statements when they, in turn, would have dispersed the large number of two-dimensional data tables. Reuse indexing technology linking the table in order to find all the necessary data, this, in turn, is bound to affect the use of the response speed. Database various databases is currently the most

　　important and the most popular database.

　　Relational database system to support the relational model of database systems, relationships between data model structure, relations operation and integrity constraint set is composed of three parts.

　　Office Access2000 is the Chinese version of one of the components. Access2000 to the previous version, the Access2000 is not only a more friendly interface, but their functions have also been strengthened, especially network function was improved, Internet Access2000 so that it more closely connected.

　　Access2000 is a small and medium-sized database management system, easy to use, powerful, and other databases have a good interface.

　　Access2000 through powerful tool, users can facilitate the use and management of databases, such as the creation and editing of data tables, design and the use of various tools inquiries query operation, design and the use of windows, production and printing statements, the design and use of Acer, the design and use of such Web pages. May also be used in Visual Basic6.0A(Visual Basic6.0 for Application)Advanced Application Development procedures.

　　Access2000 is a complete database application development tool, the user can design, modify, View a record of the basic data table; in the table data for various screen and query operation; design and use of Window to achieve data and operations; Data tables can design various print statements; design and use of Acer, a series of tables for specific operations.

　　Access2000 with a strong operational guide, and to provide users with a rich database table basic template. Users only need a simple database operations can be established by using the basic form, Form and statements.

　　In Access2000, can be set, to alter the basic correlation between the tables, thus achieving a number of related tables in the relationship between the inquiries. Access2000-The operation can achieve automation, the operator is more simple and efficient. Access2000 to enhance the network function, users can complete the ease of web publication.

　　Access2000 can not only deal with their own database files. Could also address some other database management software system established by the database files, the ability to distinguish Base. FoxBASE, FoxPro, Paradox, database formats, such as documents, and

　　support the open database connectivity standard (ODBC) SQL. Access2000 with workstations, servers or databases on the mainframe database interconnected and can be used for building client/server applications of the workstation. And other relational database management systems, Access2000 have the following advantages: Storage single document.

　　Access2000 of a database file contains the database of all data tables, query, windows, all statements, and other data manageable.

　　Support for long file names and file name can be added to the blank, documents easily comprehensible search.

　　Powerful network function can be transmitted through the network data.

　　Easy to use, you do not need to understand the programming language can easily design and development of database applications.

　　Can handle a variety of data and information, such as text files and other databases of documents.