Analise as tabelas a seguir de um banco de dados fictício. ...

SELECT * FROM tb_salario

GROUP BY tb_salario.cod_funcionario ASC;

SELECT COUNT(*), salario FROM tb_salario

ORDER BY tb_salario.salario;

SELECT COUNT(*), salario FROM tb_salario

GROUP BY tb_salario.salario;

SELECT * FROM tb_funcionario INNER JOIN tb_salario

ON tb_funcionario.cod = tb_salario.cod_funcionario

ORDER BY tb_salario.salario ASC;

SELECT COUNT(*) FROM tb_funcionario

INNER JOIN tb_salario

ON tb_funcionario.cod = tb_salario.cod_funcionario

GROUP BY tb_funcionario.salario;