[Retracted] Construction of a Digital Elderly Care Service System Based on Human-Computer Interaction from the Perspective of Smart Elderly Care

Table 6

Service ticket form.

Serial number	Meaning	Field	Types of	Size	Primary key
1	Commodity code	Product_Id	INT	25	Yes
2	Product name	Product_ Name	VARCHAR	45	Yes
3	Specifications	Specification	DOUBLE	25	No
4	unit	Unit	VARCHAR	10	No
5	Number of Products	Quantity	INT	50	No
6	Commodity price	Unit_ Price	DOUBLE	25	Yes
7	Total price	Total Price	DOUBLE	25	Yes
8	Number Delivery	Number_ Delivery	VARCHAR	40	No
9	Old man’s name	Elderly_ Name	VARCHAR	25	No
10	Elderly contact information	Elderly_ Tel	VARCHAR	50	Yes
11	Address	Elderly_ Address	VARCHAR	20	Yes
12	Payment method	Payment_ Method	VARCHAR	20	No