{"id":1247,"date":"2024-11-27T00:31:49","date_gmt":"2024-11-27T03:31:49","guid":{"rendered":"https:\/\/micheladrianomedeiros.com.br\/blog\/?p=1247"},"modified":"2024-11-27T00:34:07","modified_gmt":"2024-11-27T03:34:07","slug":"introducao_ao_sql","status":"publish","type":"post","link":"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/","title":{"rendered":"Introdu\u00e7\u00e3o ao SQL e comandos b\u00e1sicos"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-27-00.24.46-An-educational-illustration-showcasing-the-basics-of-SQL-featuring-a-sleek-laptop-screen-displaying-SQL-commands-like-CREATE-TABLE-INSERT-INTO-and-.jpg\" alt=\"\" class=\"wp-image-1248\" srcset=\"https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-27-00.24.46-An-educational-illustration-showcasing-the-basics-of-SQL-featuring-a-sleek-laptop-screen-displaying-SQL-commands-like-CREATE-TABLE-INSERT-INTO-and-.jpg 1024w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-27-00.24.46-An-educational-illustration-showcasing-the-basics-of-SQL-featuring-a-sleek-laptop-screen-displaying-SQL-commands-like-CREATE-TABLE-INSERT-INTO-and--300x300.jpg 300w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-27-00.24.46-An-educational-illustration-showcasing-the-basics-of-SQL-featuring-a-sleek-laptop-screen-displaying-SQL-commands-like-CREATE-TABLE-INSERT-INTO-and--150x150.jpg 150w, https:\/\/micheladrianomedeiros.com.br\/blog\/wp-content\/uploads\/2024\/11\/DALL\u00b7E-2024-11-27-00.24.46-An-educational-illustration-showcasing-the-basics-of-SQL-featuring-a-sleek-laptop-screen-displaying-SQL-commands-like-CREATE-TABLE-INSERT-INTO-and--768x768.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#O_que_e_SQL\" >O que \u00e9 SQL?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Estrutura_basica_do_SQL\" >Estrutura b\u00e1sica do SQL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Principais_comandos_do_SQL\" >Principais comandos do SQL:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Pratica_Criando_uma_tabela_e_inserindo_dados\" >Pr\u00e1tica: Criando uma tabela e inserindo dados<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Consultando_os_dados\" >Consultando os dados:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Licao_1_Introducao_ao_SQL_e_comandos_basicos\" >Li\u00e7\u00e3o 1: Introdu\u00e7\u00e3o ao SQL e comandos b\u00e1sicos<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#O_que_e_SQL-2\" >O que \u00e9 SQL?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Estrutura_basica_do_SQL-2\" >Estrutura b\u00e1sica do SQL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Principais_comandos_do_SQL-2\" >Principais comandos do SQL:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Pratica_Criando_uma_tabela_e_inserindo_dados-2\" >Pr\u00e1tica: Criando uma tabela e inserindo dados<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Consultando_os_dados-2\" >Consultando os dados:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Tarefa\" >Tarefa:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_sql\/#Links\" >Links<\/a><\/li><\/ul><\/nav><\/div>\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"O_que_e_SQL\"><\/span>O que \u00e9 SQL?<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>SQL (Structured Query Language) \u00e9 uma linguagem usada para interagir com bancos de dados relacionais. Voc\u00ea pode:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Criar e modificar bancos de dados.<\/li>\n\n\n\n<li>Consultar dados armazenados.<\/li>\n\n\n\n<li>Inserir, atualizar e excluir dados.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Estrutura_basica_do_SQL\"><\/span>Estrutura b\u00e1sica do SQL<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Um banco de dados relacional armazena dados em tabelas organizadas em linhas e colunas.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Principais_comandos_do_SQL\"><\/span>Principais comandos do SQL:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>DDL (Data Definition Language)<\/strong> \u2013 Define a estrutura dos dados:\n<ul class=\"wp-block-list\">\n<li><code>CREATE<\/code> \u2013 Cria tabelas e bancos de dados.<\/li>\n\n\n\n<li><code>ALTER<\/code> \u2013 Modifica tabelas existentes.<\/li>\n\n\n\n<li><code>DROP<\/code> \u2013 Exclui tabelas ou bancos de dados.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>DML (Data Manipulation Language)<\/strong> \u2013 Manipula os dados armazenados:\n<ul class=\"wp-block-list\">\n<li><code>INSERT<\/code> \u2013 Insere dados.<\/li>\n\n\n\n<li><code>UPDATE<\/code> \u2013 Atualiza dados existentes.<\/li>\n\n\n\n<li><code>DELETE<\/code> \u2013 Remove dados.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>DQL (Data Query Language)<\/strong> \u2013 Consulta dados:\n<ul class=\"wp-block-list\">\n<li><code>SELECT<\/code> \u2013 Recupera dados.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>DCL (Data Control Language)<\/strong> \u2013 Controla permiss\u00f5es:\n<ul class=\"wp-block-list\">\n<li><code>GRANT<\/code> \u2013 Concede permiss\u00f5es.<\/li>\n\n\n\n<li><code>REVOKE<\/code> \u2013 Revoga permiss\u00f5es.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pratica_Criando_uma_tabela_e_inserindo_dados\"><\/span>Pr\u00e1tica: Criando uma tabela e inserindo dados<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Vamos criar uma tabela chamada <strong>clientes<\/strong> e inserir alguns dados.<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:java decode:true \" >-- Criando a tabela\nCREATE TABLE clientes (\n    id INT PRIMARY KEY,\n    nome VARCHAR(100),\n    email VARCHAR(100),\n    data_nascimento DATE\n);\n\n-- Inserindo dados na tabela\nINSERT INTO clientes (id, nome, email, data_nascimento)\nVALUES\n(1, 'Maria Silva', 'maria.silva@example.com', '1990-01-15'),\n(2, 'Jo\u00e3o Souza', 'joao.souza@example.com', '1985-05-22'),\n(3, 'Ana Costa', 'ana.costa@example.com', '1992-11-10');\n<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Consultando_os_dados\"><\/span>Consultando os dados:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Recupere todos os dados da tabela com o comando <code>SELECT<\/code>:<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:java decode:true \" >SELECT * FROM clientes;\n<\/pre><\/div>\n\n\n\n<p>Mem\u00f3ria atualizada<\/p>\n\n\n\n<p>\u00d3timo! Vamos come\u00e7ar com a primeira li\u00e7\u00e3o de SQL. Qualquer d\u00favida, estou aqui para ajudar. \ud83d\ude80<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Licao_1_Introducao_ao_SQL_e_comandos_basicos\"><\/span>Li\u00e7\u00e3o 1: <strong>Introdu\u00e7\u00e3o ao SQL e comandos b\u00e1sicos<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"O_que_e_SQL-2\"><\/span>O que \u00e9 SQL?<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>SQL (Structured Query Language) \u00e9 uma linguagem usada para interagir com bancos de dados relacionais. Voc\u00ea pode:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Criar e modificar bancos de dados.<\/li>\n\n\n\n<li>Consultar dados armazenados.<\/li>\n\n\n\n<li>Inserir, atualizar e excluir dados.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Estrutura_basica_do_SQL-2\"><\/span>Estrutura b\u00e1sica do SQL<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Um banco de dados relacional armazena dados em tabelas organizadas em linhas e colunas.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Principais_comandos_do_SQL-2\"><\/span>Principais comandos do SQL:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>DDL (Data Definition Language)<\/strong> \u2013 Define a estrutura dos dados:\n<ul class=\"wp-block-list\">\n<li><code>CREATE<\/code> \u2013 Cria tabelas e bancos de dados.<\/li>\n\n\n\n<li><code>ALTER<\/code> \u2013 Modifica tabelas existentes.<\/li>\n\n\n\n<li><code>DROP<\/code> \u2013 Exclui tabelas ou bancos de dados.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>DML (Data Manipulation Language)<\/strong> \u2013 Manipula os dados armazenados:\n<ul class=\"wp-block-list\">\n<li><code>INSERT<\/code> \u2013 Insere dados.<\/li>\n\n\n\n<li><code>UPDATE<\/code> \u2013 Atualiza dados existentes.<\/li>\n\n\n\n<li><code>DELETE<\/code> \u2013 Remove dados.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>DQL (Data Query Language)<\/strong> \u2013 Consulta dados:\n<ul class=\"wp-block-list\">\n<li><code>SELECT<\/code> \u2013 Recupera dados.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>DCL (Data Control Language)<\/strong> \u2013 Controla permiss\u00f5es:\n<ul class=\"wp-block-list\">\n<li><code>GRANT<\/code> \u2013 Concede permiss\u00f5es.<\/li>\n\n\n\n<li><code>REVOKE<\/code> \u2013 Revoga permiss\u00f5es.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pratica_Criando_uma_tabela_e_inserindo_dados-2\"><\/span>Pr\u00e1tica: Criando uma tabela e inserindo dados<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Vamos criar uma tabela chamada <strong>clientes<\/strong> e inserir alguns dados.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopiar c\u00f3digo<code>-- Criando a tabela\nCREATE TABLE clientes (\n    id INT PRIMARY KEY,\n    nome VARCHAR(100),\n    email VARCHAR(100),\n    data_nascimento DATE\n);\n\n-- Inserindo dados na tabela\nINSERT INTO clientes (id, nome, email, data_nascimento)\nVALUES\n(1, 'Maria Silva', 'maria.silva@example.com', '1990-01-15'),\n(2, 'Jo\u00e3o Souza', 'joao.souza@example.com', '1985-05-22'),\n(3, 'Ana Costa', 'ana.costa@example.com', '1992-11-10');\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Consultando_os_dados-2\"><\/span>Consultando os dados:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Recupere todos os dados da tabela com o comando <code>SELECT<\/code>:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopiar c\u00f3digo<code>SELECT * FROM clientes;\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tarefa\"><\/span>Tarefa:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Crie uma tabela no seu ambiente SQL usando o comando <code>CREATE TABLE<\/code>.<\/li>\n\n\n\n<li>Insira alguns dados usando <code>INSERT INTO<\/code>.<\/li>\n\n\n\n<li>Consulte os dados com <code>SELECT *<\/code>.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Links\"><\/span>Links<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/go.hotmart.com\/T96802609E\" target=\"_blank\" rel=\"noreferrer noopener\">Guia Pr\u00e1tico de SQL: Da lama ao luxo<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/micheladrianomedeiros.com.br\/blog\/introducao_ao_flyway\/\" target=\"_blank\" rel=\"noreferrer noopener\">Introdu\u00e7\u00e3o ao Flyway e Configura\u00e7\u00e3o B\u00e1sica<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O que \u00e9 SQL? SQL (Structured Query Language) \u00e9 uma linguagem usada para interagir com bancos de dados relacionais. Voc\u00ea pode: Estrutura b\u00e1sica do SQL Um banco de dados relacional armazena dados em tabelas organizadas em linhas e colunas. Principais comandos do SQL: Pr\u00e1tica: Criando uma tabela e inserindo dados Vamos criar uma tabela chamada [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1248,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[400,396,389,391,393,401,392,398,387,390,397,399,395,388,394],"class_list":["post-1247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sql","tag-aprendendo-sql","tag-bancos-de-dados","tag-comandos-sql","tag-create-table","tag-ddl","tag-desenvolvimento-de-banco-de-dados","tag-dml","tag-dql","tag-insert-into","tag-introducao-ao-sql","tag-linguagem-de-consulta-estruturada","tag-manipulacao-de-dados","tag-select","tag-sql","tag-tabelas-relacionais"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.5 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Introdu\u00e7\u00e3o ao SQL e comandos b\u00e1sicos - Viciados em Aprender<\/title>\n<meta name=\"description\" content=\"Aprenda os fundamentos do SQL nesta li\u00e7\u00e3o inicial, incluindo os principais comandos como CREATE, INSERT, SELECT e mais. 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