Problems encountered in the study of software development

1, each project is inseparable from the database, and the establishment of the database process is also a problem, how to move our development results into the operating environment, how to maintain future updates?

2, each development process has a certain defect, then if a few of the advantages of the process to form a new development process and will encounter new problems?

3, the test personnel follow-up time, is to follow up when the project needs start, and then start testing a series of activities, or to the test case writing phase only full-time investment?

4, in the process of developing software, the team should focus on communication, or only focus on the writing of the Code to facilitate the final software delivery use?

5. How should the ratio of testers and developers be allocated to maintain the software development progress and ensure the quality of the software?

Problems encountered in the study of software development