Enterprise Decision-Making and Analysis Based on E-Commerce Data Mining

Table 1

Customer information.

Data name	Data type	Data length	Explain
userid	Varchar(10)	10	Customer number
Username	Varchar(20)	10	Name
Sex	char	2	Gender
useraddr	rchar(30)	20	Address
Email	Varchar(30)	20	E-mail
usertel	Varchar(20)	20	Telephone