The Evaluation Method of English Teaching Ability in View of Internet of Things

Table 2

Class information table (tb_banjixinxi).

Field description	Field name	Type	Length
Class code	banjixinxi_no	Int(primary key)	4
Class name	banjixinxi _name	nvarchar	40
Head teacher	banjixinxi _leader	int	4
Grade	banjixinxi _grade	nvarchar	8
Describe	banjixinxi _desp	nvarchar	50