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【正文】 ion of the tool. The role of the database is to anize and present information, in short, the database is a collection of information. Access2021 is the relational database development tools, database pooling information for the inquiry, Storage and retrieval. Access2021 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 Access2021 allows creation of custom statements to print or export the information in the database. Access2021 also provides a data repository. Can use desktop database file to extend the database file at the work file server and other work users to share databases? Access2021 is a relational database tools, database development, is the most mon databases. As noted above, as an Access2021 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 Access2021, with the user database access permissions are two types: Explicit and implicit powers authority. Explicit authority is granted a direct user account petence, 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 group39。 西安郵電 大學 畢 業(yè) 設(shè) 計(論 文) 外文文獻翻譯 系 別: 計算機科學與技術(shù) 專 業(yè): 計算機科學 與技術(shù) 班 級: 計科 0803班 學生姓名: 張曉潔 導師姓名: 楊銳 職稱: 講師 起止時間: 2021年 9月 23日 至 2021 年 6月 2 日 英文原文 Office Automation System Summary Office Automation System is the application of puter technology munication technology multimedia technology and behavioral science and other advanced technologies that make people part of the business office through a variety of office equipment office equipment by these personnel and office services to a target of humanputer business information systems the activities of a scientific achievement of office automation. The purpose of office automation system is the fullest possible use of information resources increase productivity efficiency and quality of decisionmaking management and decisionmaking to improve the scientific level. Basic features: 1) Interaction: a general dataprocessing is a single control flow a predetermined input and output without human intervention。 office automation system often requires the mobilization of different input in accordance with different control so manmachine dialogue human intervention is essential. 2) Coordination of: office activities are usually anized group activities at different levels. Therefore the office automation system hardware to support the anization of all staff can work together to plete a mon task. 3) Multidisciplinary cross: Office Automation System is the establishment
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