2- Identify the problem
3- Set alternative solutions
4- Choose the best solution based on criteria
5- Design Logical the physical view
6- Implementation
7- Testing
8- Installation
9- Training the user
10-Use it
11-Maintenance and Update
- Fits large projects
- Non-linear approach we can go back to previous step to correct any error
- A high skilled programmers (expertise) are involved in
- Determinancy of the criteria leads to a good planning schedule
- Building a logical view is so important to predict the physical view
Disadvantages
- User is not involved in
- Takes Time
- Takes cost of softwares, staffs and money
- There should be a regularly maintenance and update which is costly
- Sometimes it's hard to find in which step the error has occurred
- A low skilled programmer solving a tough problems which might result in a failure system