Design and Application of Interactive Teaching System for Electronic Engineering Specialty Based on ZigBee

Table 1

Worksheet.

Field name	Data type	Major key	Is it empty	Field description
Id	Text	Yes	Not null	Job number
Zxuehao	Text		Not null	Student ID
Ztihao	Text		Not null	Homework question number
Zzhengwen	Text		Null	Homework body
Zchengji	Figure		Null	Homework results
Zkecheng	Text		Not null	The course
Zjianshi	Text		Not null	Class teacher
Zbiaoshi	Text		Not null	Job identification
Zbezhuu	Text		Null	Homework remarks
Zshijian	Text		Not null	Submission time