【单选题】There is a relationship model R (employee name, project name, salary, department name, department manager). Suppose each employee can participate in multiple projects, each receive a salary; each proj...
【多选题】Please pick out the correct name from the following items according to the explanation. The ________________ Department checks whether the products are good or not. 2. The __________ Department manufa...
【单选题】There is a relationship model R (employee name, project name, salary, department name, department manager). Suppose each employee can participate in multiple projects, each receive a salary; each proj...