CREATE TABLE Proyectos (
    name VARCHAR(255) PRIMARY KEY,
    salMin FLOAT(50) NOT NULL
);

CREATE TABLE Empleados (
    ci VARCHAR(255) PRIMARY KEY,
    atrib VARCHAR(255) NOT NULL
);

CREATE TABLE Intermedia (
    id INT AUTO_INCREMENT PRIMARY KEY,
    ci VARCHAR(255) NOT NULL,
    atrib VARCHAR(255) NOT NULL,
    UNIQUE (ci, atrib)
);