[Retracted] Design and Implementation of Intelligent Teaching System Based on Artificial Intelligence and Computer Technology

Table 4

Course selection system database.

Serial number	Field name	Type of data	Illustrate
1	Course_Id	Char (20)	Empty string is not allowed
2	Teacherid	Char (20)	Allow empty string
3	Course_Name	Varchar (50)	Allow empty string
4	Course_Start	Varchar (50)	Allow empty string
5	Course_End	Varchar (30)	Allow empty string
6	Status	Char (1)	0 is valid; 1 is invalid
7	Course_Memo	Varchar (500)	Course introduction