Application of Digital Media Technology for Teaching in Higher Vocational Colleges Using Big Data

Table 1

Master administrator table.

Describe	The column name	Data description	The length
User name	Master ID	Varchar	20
Password	MPwd	Varchar	20
Permissions logo	Power flag	Char	4
The name	MName	Varchar	50
Department	MDept	Varchar	50
The phone	MPhone	Varchar	30