-- criando a tabela

CREATE TABLE aluno(
    RA numeric(8)not null primary key,
    nome char(40) not null,
    rg numeric(10)not null unique,
    endereco varchar(50),
    sexo char(1) check (sexo = 'M' or sexo = 'F'),
    dt_nasc date
);
-- inserindo dados
insert into aluno(RA, nome, rg, endereco, sexo, dt_nasc)
values
    (10203040, 'Luan', 9423587, 'Rua josé', 'M', '2003-02-04'),
    (12345678, 'José', 987654, 'rua jose do patrocinio', 'M', '1980-05-25'),
    (56487945, 'Julia', 15648998, 'rua tino e silva', 'F', '2005-09-30'),
    (89745613, 'Luana', 1498749813, 'av cabral II', 'F', '1976-07-15'),
    (15648961, 'João', 7987496, 'tv princesa isabel', 'M', '2009-03-04'),
    (89784161, 'Gabriel', 5489198746, 'rua da esperança', 'M', '2000-01-01');
select * from aluno;
-- consulta basica atraves de select
select * from aluno where sexo = 'F'

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