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Duvida Foreign Key
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Ralph Effting  
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 More options Sep 15 2012, 3:15 pm
From: Ralph Effting <ralft...@gmail.com>
Date: Sat, 15 Sep 2012 12:15:57 -0700 (PDT)
Local: Sat, Sep 15 2012 3:15 pm
Subject: Duvida Foreign Key
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Boa tarde estou com uma duvida (de iniciante hehe), não intendo ainda muito
de sql, então vamos lá:
Tenho 2 tabelas, usuário e dados.

*Usuários*
nome
login
senha
*Dados*
endereço
telefone
profissao
...

Minha duvida é com relação como ficaria as chaves, colocaria a *FOREIGN KEY*na tabela
*usuários* ou na tabela *dados*?


 
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Brunno Henrique  
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 More options Sep 16 2012, 2:54 pm
From: Brunno Henrique <bhmo...@gmail.com>
Date: Sun, 16 Sep 2012 15:54:25 -0300
Local: Sun, Sep 16 2012 2:54 pm
Subject: Re: Duvida Foreign Key
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vc colocaria o ID do usuário na tabela DADOS, vale lembrar que é de super
importante você criar uma tabela LOGADOURO, CIDADE, ESTADO onde você
colocaria o endereço, pois o usuário poderá ter 2 ou mais telefones, e
talves poderia ter duas profissões (sei la).

SELECT
    U.NOME,
    U.LOGIN,
    U.SENHA,
    D.ENDERECO,
    D.TELEFONE,
    D.PROFISSAO
FROM
    USUÁRIO U RIGHT JOIN DADOS D ON
                       (U.ID_USUARIO = D.ID_USUARIO)
ORDER BY 1,4;

se existisse a tabela logradouro, cidade e estado o select seria diferente;

Espero ter ajudado.

Em 15 de setembro de 2012 16:15, Ralph Effting <ralft...@gmail.com>escreveu:

--

Att.
*Brunno Henrique*
Administrador de Redes / Administração - T.i.
Msn / E-mail: bhmo...@gmail.com


 
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Ralph Effting  
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 More options Sep 16 2012, 7:08 pm
From: Ralph Effting <ralft...@gmail.com>
Date: Sun, 16 Sep 2012 20:08:53 -0300
Local: Sun, Sep 16 2012 7:08 pm
Subject: Re: Duvida Foreign Key
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Muito obrigado Bruno!
Tirou minha duvida.

Abraço.


 
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