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no_empleado nombre fecha Estado
1 Luis 2021-12-01 Ausente
1 Luis 2021-12-02 Presente
1 Luis 2021-12-06 Ausente
1 Luis 2021-12-07 Ausente
2 Maria 2021-12-01 Ausente
2 Maria 2021-12-02 Ausente
2 Maria 2021-12-06 Presente
2 Maria 2021-12-07 Ausente
no_empleado nombre Ausencias
1 Luis 2021-12-01,2021-12-06,2021-12-07
2 Maria 2021-12-01,2021-12-02,2021-12-07