user_id INT(11) PRIMARY KEY AUTO_INCREMENT,
user_name VARCHAR(45) NOT NULL,
user_pass VARCHAR(255) NOT NULL,
user_mail VARCHAR(100) NOT NULL,
user_dpto VARCHAR(100) NOT NULL,
user_resp BOOLEAN NOT NULL,
token VARCHAR(100)

sol_id INT(11) PRIMARY KEY AUTO_INCREMENT,
random_number INT(11) NOT NULL,
asunto VARCHAR(45) NOT NULL,
emision_date DATETIME NOT NULL,
state VARCHAR(45) NOT NULL,
state_date DATETIME NOT NULL,
tercero BOOLEAN NOT NULL,
nombre_tercero VARCHAR(100),
fecha_solicitud_tercero DATE,
fecha_limite DATE

user_id INT(11),
sol_id INT(11),
rol BOOLEAN,
PRIMARY KEY (user_id, sol_id)

user_who_made_request|asunto|user_who_took_it|state|state_date