1. Sa System Analysis
At this stage, it is important to analyze the customer's business, perform business modeling, understand and explore the current problems faced by the customer, propose improved models, and manage runtime. The submitted documents are the requirement definition style books.
2. RD requirement definition
3. Ur user requirements
4. Sr system requirement definition
5. Basic BD Design
It is also called external design. External design is designed for external users, so you do not need to care about the specific implementation of the program. This includes the definition of business processes, architecture division, database design (ER diagram and data dictionary), screen design (screen layout and migration), and external interface design. The submitted documents are external design style books.
6. FD Function Design
It is also called detailed design. The internal design is the internal design of the program, and the design work is carried out according to the results of the external design. Based on the architecture and database design and image design, specific functional division, physical database design, algorithm design, input and output design, and so on. The submitted documents are internal design patterns.
7. PD Program Design
That is, encoding. A good coding style and annotation are all necessary requirements. Different companies have different requirements for unit testing, but they do more or less to varying degrees.
8. ut standalone test
9. Combined CT Testing
10. St System Test
11. ot Function Testing
12. DV Product Export
Refer to the following:
From http://rufian.blog.163.com/blog/static/43540189201039010539/