CREATE DATABASE escola;
    CREATE TABLE turma(
        id INT SERIAL PRIMARY KEY,
        nome_turma VARCHAR(100) NOT NULL
    );

    CREATE TABLE aluno(
    id INT SERIAL PRIMARY KEY,
    nome VARCHAR(100) NOT NULL,
    nota NUMERIC (100) DEFAULT 0,
    FOREIGN KEY (id_turma) REFERENCES turma(id)
    );
 
   SELECT nome, nota
   FROM aluno
   WHERE nota >=60
   ORDER BY nota ASC