CREATE TABLE calificaciones (
id_calificacion INTEGER PRIMARY KEY,
id_alumno INTEGER NOT NULL,
id_materia INTEGER NOT NULL,
parcial INTEGER NOT NULL,
calificacion REAL NOT NULL
);
INSERT INTO calificaciones VALUES (1, 1, 1, 1, 9.5);
INSERT INTO calificaciones VALUES (2, 2, 1, 1, 8.0);
INSERT INTO calificaciones VALUES (3, 3, 2, 1, 9.0);
INSERT INTO calificaciones VALUES (4, 4, 3, 1, 7.5);
INSERT INTO calificaciones VALUES (5, 5, 4, 1, 10.0);
INSERT INTO calificaciones VALUES (6, 6, 5, 1, 8.5);
INSERT INTO calificaciones VALUES (7, 7, 6, 1, 9.0);
INSERT INTO calificaciones VALUES (8, 8, 7, 1, 7.0);
INSERT INTO calificaciones VALUES (9, 9, 8, 1, 9.5);
INSERT INTO calificaciones VALUES (10, 10, 9, 1, 8.0);
SELECT * FROM calificaciones;
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