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<!DOCTYPE html>
<html lang="pt-BR">
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<title>Projeto SQL: Loja de Vinhos</title>
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</head>
<body class="antialiased">
<div class="container mx-auto p-4 sm:p-6 lg:p-8">
<header class="text-center mb-12">
<h1 class="text-4xl md:text-5xl font-bold text-stone-900">Projeto SQL: Loja de Vinhos</h1>
<p class="mt-4 text-lg text-stone-600">Um guia interativo para as etapas do seu trabalho de banco de dados.</p>
</header>
<nav class="sticky top-0 bg-stone-100/80 backdrop-blur-md z-10 mb-12 rounded-lg shadow-sm">
<div class="flex justify-center items-center p-2 space-x-2 sm:space-x-4">
<a href="#ddl" class="nav-link text-sm sm:text-base font-medium text-stone-700 hover:text-red-800 px-3 py-2 rounded-md">1. Modelo Físico (DDL)</a>
<a href="#dml" class="nav-link text-sm sm:text-base font-medium text-stone-700 hover:text-red-800 px-3 py-2 rounded-md">2. Inserção de Dados (DML)</a>
<a href="#dql" class="nav-link text-sm sm:text-base font-medium text-stone-700 hover:text-red-800 px-3 py-2 rounded-md">3. Consulta (DQL)</a>
<a href="#dcl" class="nav-link text-sm sm:text-base font-medium text-stone-700 hover:text-red-800 px-3 py-2 rounded-md">4. Controle de Acesso (DCL)</a>
</div>
</nav>
<main class="space-y-16">
<section id="ddl">
<h2 class="text-3xl font-bold text-red-800 border-b-2 border-red-200 pb-2 mb-6">1. Modelo Físico (DDL - Data Definition Language)</h2>
<p class="mb-8 text-stone-700">A primeira etapa é definir a estrutura do nosso banco de dados. Usamos os comandos DDL para criar as "plantas baixas" das nossas tabelas, especificando quais colunas elas terão, os tipos de dados de cada uma e como elas se relacionam através de chaves primárias e estrangeiras.</p>
<div id="ddl-tabs" class="bg-white p-6 rounded-lg shadow-md">
<div class="border-b border-stone-200">
<nav class="-mb-px flex space-x-6" aria-label="Tabs">
<button class="ddl-tab-button active-tab whitespace-nowrap py-3 px-1 border-b-2 font-medium text-lg" data-target="regiao">Regiao</button>
<button class="ddl-tab-button inactive-tab whitespace-nowrap py-3 px-1 border-b-2 font-medium text-lg" data-target="vinicula">Vinicula</button>
<button class="ddl-tab-button inactive-tab whitespace-nowrap py-3 px-1 border-b-2 font-medium text-lg" data-target="vinho">Vinho</button>
</nav>
</div>
<div id="ddl-content" class="mt-6">
<div id="regiao-content" class="ddl-tab-content">
<pre><code><span class="sql-keyword">CREATE TABLE</span> <span class="sql-table">`Regiao`</span> (
<span class="sql-table">`codRegiao`</span> <span class="sql-type">BIGINT</span> <span class="sql-keyword">NOT NULL AUTO_INCREMENT</span>,
<span class="sql-table">`nomeRegiao`</span> <span class="sql-type">VARCHAR</span>(100) <span class="sql-keyword">NOT NULL</span>,
<span class="sql-table">`descricaoRegiao`</span> <span class="sql-type">TEXT</span>,
<span class="sql-keyword">PRIMARY KEY</span> (<span class="sql-table">`codRegiao`</span>)
);</code></pre>
</div>
<div id="vinicula-content" class="ddl-tab-content hidden">
<pre><code><span class="sql-keyword">CREATE TABLE</span> <span class="sql-table">`Vinicula`</span> (
<span class="sql-table">`codVinicula`</span> <span class="sql-type">BIGINT</span> <span class="sql-keyword">NOT NULL AUTO_INCREMENT</span>,
<span class="sql-table">`nomeVinicula`</span> <span class="sql-type">VARCHAR</span>(100) <span class="sql-keyword">NOT NULL</span>,
<span class="sql-table">`descricaoVinicula`</span> <span class="sql-type">TEXT</span>,
<span class="sql-table">`foneVinicula`</span> <span class="sql-type">VARCHAR</span>(15),
<span class="sql-table">`emailVinicula`</span> <span class="sql-type">VARCHAR</span>(100),
<span class="sql-table">`codRegiao`</span> <span class="sql-type">BIGINT</span> <span class="sql-keyword">NOT NULL</span>,
<span class="sql-keyword">PRIMARY KEY</span> (<span class="sql-table">`codVinicula`</span>),
<span class="sql-keyword">FOREIGN KEY</span> (<span class="sql-table">`codRegiao`</span>) <span class="sql-keyword">REFERENCES</span> <span class="sql-table">`Regiao`</span>(<span class="sql-table">`codRegiao`</span>)
);</code></pre>
</div>
<div id="vinho-content" class="ddl-tab-content hidden">
<pre><code><span class="sql-keyword">CREATE TABLE</span> <span class="sql-table">`Vinho`</span> (
<span class="sql-table">`codVinho`</span> <span class="sql-type">BIGINT</span> <span class="sql-keyword">NOT NULL AUTO_INCREMENT</span>,
<span class="sql-table">`nomeVinho`</span> <span class="sql-type">VARCHAR</span>(50) <span class="sql-keyword">NOT NULL</span>,
<span class="sql-table">`tipoVinho`</span> <span class="sql-type">VARCHAR</span>(30),
<span class="sql-table">`anoVinho`</span> <span class="sql-type">INT</span>,
<span class="sql-table">`descricaoVinho`</span> <span class="sql-type">TEXT</span>,
<span class="sql-table">`codVinicola`</span> <span class="sql-type">BIGINT</span> <span class="sql-keyword">NOT NULL</span>,
<span class="sql-keyword">PRIMARY KEY</span> (<span class="sql-table">`codVinho`</span>),
<span class="sql-keyword">FOREIGN KEY</span> (<span class="sql-table">`codVinicola`</span>) <span class="sql-keyword">REFERENCES</span> <span class="sql-table">`Vinicula`</span>(<span class="sql-table">`codVinicola`</span>)
);</code></pre>
</div>
</div>
</div>
</section>
<section id="dml">
<h2 class="text-3xl font-bold text-red-800 border-b-2 border-red-200 pb-2 mb-6">2. Inserção de Dados (DML - Data Manipulation Language)</h2>
<p class="mb-8 text-stone-700">Com a estrutura pronta, é hora de popular nossas tabelas. Usamos os comandos DML para inserir os registros. É crucial manter a integridade referencial, ou seja, inserir primeiro os dados nas tabelas que não dependem de outras (como `Regiao`), para depois inserir em tabelas que se referenciam a elas (como `Vinicula` e `Vinho`).</p>
<div class="bg-white p-6 rounded-lg shadow-md">
<h3 class="text-xl font-semibold mb-4 text-stone-800">Visualização dos Dados Inseridos</h3>
<div class="space-y-6">
<div>
<h4 class="font-medium text-lg text-red-800 mb-2">Tabela: Regiao</h4>
<div class="overflow-x-auto"><table class="w-full text-left border-collapse"><thead><tr class="bg-stone-100"><th class="p-2 border">codRegiao</th><th class="p-2 border">nomeRegiao</th></tr></thead><tbody><tr><td class="p-2 border">1</td><td class="p-2 border">Vale dos Vinhedos</td></tr><tr><td class="p-2 border">2</td><td class="p-2 border">Serra Gaúcha</td></tr><tr><td class="p-2 border">3</td><td class="p-2 border">Vale do São Francisco</td></tr><tr><td class="p-2 border">4</td><td class="p-2 border">Campanha Gaúcha</td></tr><tr><td class="p-2 border">5</td><td class="p-2 border">Serra do Sudeste</td></tr></tbody></table></div>
</div>
<div>
<h4 class="font-medium text-lg text-red-800 mb-2">Tabela: Vinicula</h4>
<div class="overflow-x-auto"><table class="w-full text-left border-collapse"><thead><tr class="bg-stone-100"><th class="p-2 border">codVinicula</th><th class="p-2 border">nomeVinicula</th><th class="p-2 border">codRegiao</th></tr></thead><tbody><tr><td class="p-2 border">1</td><td class="p-2 border">Casa Valduga</td><td class="p-2 border">1</td></tr><tr><td class="p-2 border">2</td><td class="p-2 border">Miolo</td><td class="p-2 border">1</td></tr><tr><td class="p-2 border">3</td><td class="p-2 border">Aurora</td><td class="p-2 border">2</td></tr><tr><td class="p-2 border">4</td><td class="p-2 border">Vinibrasil (Rio Sol)</td><td class="p-2 border">3</td></tr><tr><td class="p-2 border">5</td><td class="p-2 border">Guatambu</td><td class="p-2 border">4</td></tr></tbody></table></div>
</div>
<div>
<h4 class="font-medium text-lg text-red-800 mb-2">Tabela: Vinho</h4>
<div class="overflow-x-auto"><table class="w-full text-left border-collapse"><thead><tr class="bg-stone-100"><th class="p-2 border">codVinho</th><th class="p-2 border">nomeVinho</th><th class="p-2 border">tipoVinho</th><th class="p-2 border">anoVinho</th><th class="p-2 border">codVinicula</th></tr></thead><tbody><tr><td class="p-2 border">1</td><td class="p-2 border">130 Brut</td><td class="p-2 border">Espumante</td><td class="p-2 border">2022</td><td class="p-2 border">1</td></tr><tr><td class="p-2 border">2</td><td class="p-2 border">Lote 43</td><td class="p-2 border">Tinto</td><td class="p-2 border">2020</td><td class="p-2 border">2</td></tr><tr><td class="p-2 border">3</td><td class="p-2 border">Merlot</td><td class="p-2 border">Tinto</td><td class="p-2 border">2021</td><td class="p-2 border">3</td></tr><tr><td class="p-2 border">4</td><td class="p-2 border">Rio Sol Syrah</td><td class="p-2 border">Tinto</td><td class="p-2 border">2020</td><td class="p-2 border">4</td></tr><tr><td class="p-2 border">5</td><td class="p-2 border">Rastros do Pampa Cabernet</td><td class="p-2 border">Tinto</td><td class="p-2 border">2019</td><td class="p-2 border">5</td></tr></tbody></table></div>
</div>
</div>
</div>
</section>
<section id="dql">
<h2 class="text-3xl font-bold text-red-800 border-b-2 border-red-200 pb-2 mb-6">3. Consulta (DQL - Data Query Language)</h2>
<p class="mb-8 text-stone-700">Com os dados no lugar, podemos "conversar" com o banco. O DQL nos permite fazer perguntas. A tarefa pede para listar os vinhos, suas vinícolas e as regiões de origem. Para isso, usamos o `JOIN`, que "costura" as informações das três tabelas usando as chaves que as conectam.</p>
<div class="bg-white p-6 rounded-lg shadow-md">
<h3 class="text-xl font-semibold mb-4 text-stone-800">Comando de Consulta</h3>
<pre><code><span class="sql-keyword">SELECT</span>
<span class="sql-table">Vinho</span>.nomeVinho,
<span class="sql-table">Vinho</span>.anoVinho,
<span class="sql-table">Vinicula</span>.nomeVinicula,
<span class="sql-table">Regiao</span>.nomeRegiao
<span class="sql-keyword">FROM</span>
<span class="sql-table">Vinho</span>
<span class="sql-keyword">JOIN</span>
<span class="sql-table">Vinicula ON Vinho.codVinicola = Vinicula.codVinicola</span>
<span class="sql-keyword">JOIN</span>
<span class="sql-table">Regiao ON Vinicula.codRegiao = Regiao.codRegiao;</span></code></pre>
<h3 class="text-xl font-semibold mt-8 mb-4 text-stone-800">Resultado da Consulta</h3>
<div class="overflow-x-auto">
<table class="w-full text-left border-collapse">
<thead>
<tr class="bg-stone-100">
<th class="p-2 border">nomeVinho</th>
<th class="p-2 border">anoVinho</th>
<th class="p-2 border">nomeVinicula</th>
<th class="p-2 border">nomeRegiao</th>
</tr>
</thead>
<tbody>
<tr><td class="p-2 border">130 Brut</td><td class="p-2 border">2022</td><td class="p-2 border">Casa Valduga</td><td class="p-2 border">Vale dos Vinhedos</td></tr>
<tr><td class="p-2 border">Lote 43</td><td class="p-2 border">2020</td><td class="p-2 border">Miolo</td><td class="p-2 border">Vale dos Vinhedos</td></tr>
<tr><td class="p-2 border">Merlot</td><td class="p-2 border">2021</td><td class="p-2 border">Aurora</td><td class="p-2 border">Serra Gaúcha</td></tr>
<tr><td class="p-2 border">Rio Sol Syrah</td><td class="p-2 border">2020</td><td class="p-2 border">Vinibrasil (Rio Sol)</td><td class="p-2 border">Vale do São Francisco</td></tr>
<tr><td class="p-2 border">Rastros do Pampa Cabernet</td><td class="p-2 border">2019</td><td class="p-2 border">Guatambu</td><td class="p-2 border">Campanha Gaúcha</td></tr>
</tbody>
</table>
</div>
</div>
</section>
<section id="dcl">
<h2 class="text-3xl font-bold text-red-800 border-b-2 border-red-200 pb-2 mb-6">4. Controle de Acesso (DCL - Data Control Language)</h2>
<p class="mb-8 text-stone-700">A segurança é fundamental em qualquer banco de dados. Com o DCL, criamos usuários e controlamos exatamente o que eles podem ver e fazer. Aqui, criamos o usuário `Somellier` com acesso limitado, garantindo que ele veja apenas as informações estritamente necessárias para seu trabalho, e com um limite de consultas por hora.</p>
<div class="bg-white p-6 rounded-lg shadow-md space-y-8">
<div>
<h3 class="text-xl font-semibold mb-4 text-stone-800">Comando de Criação do Usuário</h3>
<pre><code><span class="sql-comment">-- Cria o usuário 'Somellier' que só pode acessar localmente, com senha e limite de 40 consultas/hora.</span>
<span class="sql-keyword">CREATE USER</span> <span class="sql-string">'Somellier'</span>@<span class="sql-string">'localhost'</span>
<span class="sql-keyword">IDENTIFIED BY</span> <span class="sql-string">'uma_senha_segura'</span>
<span class="sql-keyword">WITH</span> <span class="sql-function">MAX_QUERIES_PER_HOUR</span> 40;</code></pre>
</div>
<div>
<h3 class="text-xl font-semibold mb-4 text-stone-800">Comandos de Permissão</h3>
<pre><code><span class="sql-comment">-- Concede permissão de leitura (SELECT) em todas as colunas da tabela Vinho.</span>
<span class="sql-keyword">GRANT SELECT ON</span> Servienski.Vinho <span class="sql-keyword">TO</span> <span class="sql-string">'Somellier'</span>@<span class="sql-string">'localhost'</span>;
<span class="sql-comment">-- Concede permissão de leitura (SELECT) apenas nas colunas codVinicula e nomeVinicula da tabela Vinicula.</span>
<span class="sql-keyword">GRANT SELECT</span> (codVinicula, nomeVinicula) <span class="sql-keyword">ON</span> Servienski.Vinicula <span class="sql-keyword">TO</span> <span class="sql-string">'Somellier'</span>@<span class="sql-string">'localhost'</span>;</code></pre>
</div>
<div>
<h3 class="text-xl font-semibold mb-4 text-stone-800">Simulação: O que o 'Somellier' pode ver</h3>
<div class="grid md:grid-cols-2 gap-8">
<div class="border rounded-lg p-4">
<h4 class="font-bold text-green-700 text-lg">Acesso PERMITIDO ✅</h4>
<p class="text-sm mb-2 text-stone-600">O usuário pode ver TODAS as colunas da tabela `Vinho`.</p>
<div class="overflow-x-auto"><table class="w-full text-left border-collapse"><thead><tr class="bg-stone-100"><th class="p-2 border">codVinho</th><th class="p-2 border">nomeVinho</th><th class="p-2 border">tipoVinho</th><th class="p-2 border">anoVinho</th><th class="p-2 border">codVinicula</th></tr></thead><tbody><tr><td class="p-2 border">...</td><td class="p-2 border">...</td><td class="p-2 border">...</td><td class="p-2 border">...</td><td class="p-2 border">...</td></tr></tbody></table></div>
</div>
<div class="border rounded-lg p-4">
<h4 class="font-bold text-red-700 text-lg">Acesso RESTRITO 🚫</h4>
<p class="text-sm mb-2 text-stone-600">O usuário pode ver APENAS duas colunas da tabela `Vinicula`.</p>
<div class="overflow-x-auto"><table class="w-full text-left border-collapse"><thead><tr class="bg-stone-100"><th class="p-2 border bg-green-100">codVinicula</th><th class="p-2 border bg-green-100">nomeVinicula</th><th class="p-2 border bg-red-100">descrição</th><th class="p-2 border bg-red-100">fone</th></tr></thead><tbody><tr><td class="p-2 border">...</td><td class="p-2 border">...</td><td class="p-2 border text-red-500">NEGADO</td><td class="p-2 border text-red-500">NEGADO</td></tr></tbody></table></div>
</div>
</div>
</div>
</div>
</section>
</main>
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