The base and core of software application is software quality. The software quality assurance is a basic method to solve the problem of software. During the process of program running, if all the relations in the program are satisfied, the state of program running is well. The main skills which based on the dynamic program running trace, the theory of relational database and technology of stored procedure are showed. These technologies which can be used to detect the hiding properties among variants, methods and classes and so on are effective, only when they are used on the SQL server 2005 pl...