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  • Users: cjw2
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  1. cjw2

    struct's in header files!

    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...
  2. cjw2

    Entity Relationship Diagrams

    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)
  3. cjw2

    Many to many relationships

    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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