ER diagram discussion

ER diagram discussion

The last discussion, we determined the topics of this pilot project.

Later, after our own thoughts, ideas and communication, integration, then this discussion to determine the ER diagram, data and identified a number of basic functions.

 

The topics discussed
time 2020/3/23 location Group qq group chat
the way Group voice host If Chen Yan
Participants If Chen Yan, Wu Fan, Rupp music, Xiu Yang Hai, Yang Gui

Discussion:

  1, each thinking entities, attributes, and behaviors need to be present.

  2, each draw ER diagrams you were thinking.

  3, through mutual ER diagram clear idea.

  4, make a point: If you want to use this software, you want it to look like?

  5, standing on the demand side & user perspective, not to consider development issues, depicting the approximate model.

  6, in conjunction with all points of view, it is determined that the final data and ER FIG.

 

 

Summary of Discussions:

   Initially we each draw ER diagram that shows the idea is a great gap in the entities, attributes and functions and other aspects there is a contradiction. So we try to find common ground in a few people's ER diagram, and complement each other, but there are still some contradictions, and not sort out his thoughts. So we proceed from reality, it is assumed that he is a user of the software, so there is hope that this kind of software functionality. After transposition of thinking, we suddenly see the light, and the way to overcome the difficulties through screen sharing, co-drawing, confirmed the final ER diagram.
 

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Origin www.cnblogs.com/cry0000/p/12573353.html