A question in class diagram# Database - 数据库
p*g
1 楼
Can anybody explain what is "line item"?
We are using this in the class diagram.
Thank you.
We are using this in the class diagram.
Thank you.
x*h
2 楼
You didn't provide enough information. So I just
have a guess.
In data modeling, there is a popular
pattern called "header, line, detail". For example,
you can model an order as three tables,
headers table, lines table and details table.
The relationship between headers table and lines
table are one to many. The relationship between
lines table and details table are one to one.
In the headers table, you store information about
the entire order, such as customer name, order date, etc.
In the line
【在 p*****g 的大作中提到】
: Can anybody explain what is "line item"?
: We are using this in the class diagram.
: Thank you.
have a guess.
In data modeling, there is a popular
pattern called "header, line, detail". For example,
you can model an order as three tables,
headers table, lines table and details table.
The relationship between headers table and lines
table are one to many. The relationship between
lines table and details table are one to one.
In the headers table, you store information about
the entire order, such as customer name, order date, etc.
In the line
【在 p*****g 的大作中提到】
: Can anybody explain what is "line item"?
: We are using this in the class diagram.
: Thank you.
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