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