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