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2024年4月18日发(作者：java最高效的json解析)
郑州大学西亚斯国际学院
毕业论文外文资料翻译
学
专
姓
学
附
院：
业：
名：
电子信息工程学院
软件工程（软件开发方向）
xxxx
号： xxxxxxxx
件： 1外文原文 2外文资料翻译
指导教师评语：
签名：
2013年04月25日
附件1：外文原文
Database Development Process
Based on information engineering information systems planning database is a source
of development projects. These new database development projects is usually in order to
meet the strategic needs of organizations, such as improving customer support, improve
product and inventory management, or a more accurate sales forecast. However, many
more database development project is the bottom-up approach emerging, such as
information system user needs specific information to complete their work, thus
beginning a project request, and as other information systems experts found that
organizations need to improve data management and begin new projects. Bottom-up even
in the circumstances, to set up an enterprise data model is also necessary to understand
the existing database can provide the necessary data, otherwise, the new database, data
entities and attributes can be added to the current data resources to the organization.
Both the strategic needs or operational information needs of each database
development projects normally concentrated in a database. Some projects only
concentrated in the database definition, design and implementation of a database, as a
follow-up to the basis of the development of information systems. However, in most
cases, the database and associated information processing function as a complete
information systems development project was part of the development.
one. System Development Life Cycle
Guide management information system development projects is the traditional
process of system development life cycle (SDLC). System development life cycle is an
organization of the database designers and programmers information system composed
of the Panel of Experts detailed description, development, maintenance and replacement
of the entire information system steps. This process is because Waterfall than for every
step into the adjacent the next step, that is, the information system is a specification
developed by a piece of land, every piece of the output is under an input. However shown
in the figure, these steps are not purely linear, each of the steps overlap in time (and thus
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