[Retracted] Design of the Online Learning System for College Physical Education Teaching Based on the BP Neural Network

Table 3

Course evaluation form.

Field name	Data type	Describe
id	Int(20)	Evaluation ID
cid	Int(11)	Course ID
uid	Int(11)	User ID
content	Text	Evaluation content
grade	Int(4)	Score
createtime	Datetime	Evaluation date