SQL在中德合作云南二期造林项目管理信息系统中的应用

SQL in the Application to Information System of 2nd Stage of Yunnan Afforestation Project Management of Sino-Germany Cooperation

SQL(结构化语言)功能丰富,使用方式灵活、简单易学,在使用中,只需告诉它做什么,而不需告诉它怎么做。通过利用SQL的数据查询功能对中德合作云南二期造林项目数据库中的所需数据进行查询的方法和步骤为例,简要论述了其在该项目管理信息系统中的应用。

SQL has many advantages such as multi-function, flexible and easily ways for application, simple order on what to do instead of how to do. By means of data inquiry function of SQL, the data that is needed in 2nd stage of Yunnan Afforestation Project has been inquired. Taking the method and procedures for the inquiry as example, the author gives a brief introduction of the application to the information system of the project management.