Based on. NET platform of Windows programming Combat (ii) Requirements analysis and database design

We all know that the success or failure of a system is the key to its needs analysis is in place, the database design is reasonable. Because the purpose of this series of articles is to improve everyone's right. NET Windows programming Actual combat ability, therefore does not have the requirement analysis and the database design to make too many theories explanation, regarding this aspect knowledge please oneself to consult the relevant information, here This is the simple list the entire case system function demand and the database design.

I. Demand analysis

After reading the background of the case in the preface of this series of courses, we should be able to get a general idea of the needs of this case, and I'll simply list it here:

1. The system should be a stand-alone version of the software can be installed;

2. System Statistical data can be merged at any time, export ...

3. The system should have the following basic functions:

(1). Questionnaire Management: Add, edit, view, export, delete questionnaires, etc.

(2). Questionnaire statistics: Add, export, merge, empty statistics, and automatically input statistics for automatic percentage calculation, etc.;

(3). Title Management: Add, edit, view, delete, save in the item bank;

(4). Question Bank Management: Add, edit, view, delete, insert to questionnaire, etc.

(5). Database export and restore function.

The function flow chart is as follows: