[Retracted] Classroom Simulation System of Oral English Teaching Based on a Network Computer

Table 3

Student list.

Student list
Field name	Chinese name	Data type	Length	Main foreign key	Can it be blank
S id	Student id	char	10	Primary key	No
S password	Password	varchar	20	—	Yes
S name	The name	char	15	Primary key	No
Class	The class code	varchar	50	—	No
S school	Belongs to the school	varchar	10	Primary key	No
Note	Note	varchar	100	—	No