I have declared a struct (see below) in a header file to be used in two source files, however when I compile I get a multiple declaration error even though it only declared once can anyone explain this error??
//this is the struct declared in the header
struct student_data
{
int...
Is it acceptable when creating an entity relationship diagram to have two separate relationships from say entity A to entity B?
(Going from A to B and from different attributes in A but to the same attribute in B)
Hi could anyone clarify this for me??
I am working on a d base project for uni, i not asking for a solution just an insight into proper d base design etc, the d base has the following entities
Flight(flight_Reg(pk), date, time, destination airport, arrival airport, stopover airport)...
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