Untitled

     +--------+           +----------+
     | Elev   |           | Concurs  |
     +--------+           +----------+
     | Numar  |-------+   | Nume     |
     | matricol |       +--| Data     |
     | Nume   |          |  | desfășurare |
     | Prenume |          |  | Tip      |
     | Clasă  |          |  +----------+
     | Coordonator |     |
     +--------+       |
                       |
                 +------------+
                 | Participare |
                 +------------+
                 | Numar  |
                 | matricol |
                 | Nume     |
                 | Nume     |
                 | concurs  |
                 | Data     |
                 | premiu   |
                 | medalie  |
                 +------------+