[Retracted] Artificial Intelligence-Based Online Education System for University Music

Table 9

Table of virtual classroom.

Field name	Type	Primary key	Foreign key	Can it be blank	Explain
ClassID	Int	Y	N	N	Classroom no
ClassType	Varchar (20)	N	N	N	Classroom type
Creator	Int	N	Y	N	Creator
CreTime	Data	N	N	N	Creation time
CourseNum	Date	N	N	N	Number of courses
StudentNum	Date	N	N	N	Number of students
Comments	Varchar (200)	N	N	Y	Remarks