ClassDiagram
client
name: String
id: Integer
address: String
payment: Integer
order
order_id: Integer
order_type: String
order_details: String
menu
menu_id: Integer
menu_list: String
menu_details: String
dish
dish_id: Integer
names: String
dish_price: Integer
manager
mang_id: Integer
mang_name: String
age: String
username: String
password: String
+client
0..1
+order
0..1
+menu
0..1
+dish
0..1
+order
0..1
+dish
0..1
+manager
0..1
+menu
0..1