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

Table 4

Content table.

Field name	Data type	Major key	Is it empty	Field description
Ccid	Text	Yes	Not null	Number
Users	Text		Null	Debater
Ctime	Text		Not null	Published time
Cisid	Text		Not null	Subject number
Content	Text		Null	Published content