{"id":75626,"date":"2024-10-15T23:52:17","date_gmt":"2024-10-15T15:52:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75626\/"},"modified":"2024-10-15T23:52:17","modified_gmt":"2024-10-15T15:52:17","slug":"mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e4%bb%a4%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e5%af%a6%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75626\/","title":{"rendered":"MySQL \u6578\u64da\u5eab\u547d\u4ee4\u7684\u5be6\u969b\u61c9\u7528\u5be6\u4f8b"},"content":{"rendered":"<h1 id=\"mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e4%bb%a4%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e5%af%a6%e4%be%8b-MFehAGIOFn\">MySQL \u6578\u64da\u5eab\u547d\u4ee4\u7684\u5be6\u969b\u61c9\u7528\u5be6\u4f8b<\/h1>\n<p>MySQL \u662f\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0cMySQL \u90fd\u80fd\u63d0\u4f9b\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5e38\u7528\u7684 MySQL \u6578\u64da\u5eab\u547d\u4ee4\u53ca\u5176\u5be6\u969b\u61c9\u7528\u5be6\u4f8b\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728\u65e5\u5e38\u5de5\u4f5c\u4e2d\u4f7f\u7528\u9019\u4e9b\u547d\u4ee4\u3002<\/p>\n<h2 id=\"1-%e5%9f%ba%e6%9c%ac%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-MFehAGIOFn\">1. \u57fa\u672c\u6578\u64da\u5eab\u64cd\u4f5c<\/h2>\n<h3 id=\"1-1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-MFehAGIOFn\">1.1 \u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u5728 MySQL \u4e2d\uff0c\u5275\u5efa\u6578\u64da\u5eab\u7684\u547d\u4ee4\u975e\u5e38\u7c21\u55ae\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u540d\u70ba `my_database` \u7684\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>CREATE DATABASE my_database;<\/code><\/pre>\n<h3 id=\"1-2-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab-MFehAGIOFn\">1.2 \u522a\u9664\u6578\u64da\u5eab<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u4e00\u500b\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DROP DATABASE my_database;<\/code><\/pre>\n<h2 id=\"2-%e8%a1%a8%e7%9a%84%e6%93%8d%e4%bd%9c-MFehAGIOFn\">2. \u8868\u7684\u64cd\u4f5c<\/h2>\n<h3 id=\"2-1-%e5%89%b5%e5%bb%ba%e8%a1%a8-MFehAGIOFn\">2.1 \u5275\u5efa\u8868<\/h3>\n<p>\u5275\u5efa\u8868\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u540d\u70ba `users` \u7684\u8868\uff0c\u5305\u542b `id`\u3001`name` \u548c `email` \u4e09\u500b\u5b57\u6bb5\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);<\/code><\/pre>\n<h3 id=\"2-2-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-MFehAGIOFn\">2.2 \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u63d2\u5165\u6578\u64da\u5230\u8868\u4e2d\u53ef\u4ee5\u4f7f\u7528 `INSERT` \u547d\u4ee4\u3002\u4ee5\u4e0b\u793a\u4f8b\u5c07\u4e00\u689d\u65b0\u7528\u6236\u6578\u64da\u63d2\u5165\u5230 `users` \u8868\u4e2d\uff1a<\/p>\n<pre><code>INSERT INTO users (name, email) VALUES ('John Doe', 'john@example.com');<\/code><\/pre>\n<h3 id=\"2-3-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-MFehAGIOFn\">2.3 \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u662f MySQL \u4e2d\u6700\u5e38\u7528\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u4f7f\u7528 `SELECT` \u547d\u4ee4\u53ef\u4ee5\u5f9e\u8868\u4e2d\u6aa2\u7d22\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de `users` \u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002<\/p>\n<h3 id=\"2-4-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-MFehAGIOFn\">2.4 \u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u8868\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 `UPDATE` \u547d\u4ee4\u3002\u4ee5\u4e0b\u793a\u4f8b\u5c07\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u66f4\u65b0\u70ba\u65b0\u7684\u5730\u5740\uff1a<\/p>\n<pre><code>UPDATE users SET email = 'john.doe@example.com' WHERE name = 'John Doe';<\/code><\/pre>\n<h3 id=\"2-5-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-MFehAGIOFn\">2.5 \u522a\u9664\u6578\u64da<\/h3>\n<p>\u522a\u9664\u8868\u4e2d\u7684\u6578\u64da\u53ef\u4ee5\u4f7f\u7528 `DELETE` \u547d\u4ee4\u3002\u4ee5\u4e0b\u793a\u4f8b\u5c07\u522a\u9664\u540d\u70ba `John Doe` \u7684\u7528\u6236\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE name = 'John Doe';<\/code><\/pre>\n<h2 id=\"3-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%ae%a1%e7%90%86-MFehAGIOFn\">3. \u6578\u64da\u5eab\u7684\u7ba1\u7406<\/h2>\n<h3 id=\"3-1-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8-MFehAGIOFn\">3.1 \u67e5\u770b\u6578\u64da\u5eab\u5217\u8868<\/h3>\n<p>\u8981\u67e5\u770b\u7576\u524d MySQL \u4f3a\u670d\u5668\u4e0a\u7684\u6240\u6709\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>SHOW DATABASES;<\/code><\/pre>\n<h3 id=\"3-2-%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab-MFehAGIOFn\">3.2 \u4f7f\u7528\u6578\u64da\u5eab<\/h3>\n<p>\u5728\u57f7\u884c\u5176\u4ed6\u64cd\u4f5c\u4e4b\u524d\uff0c\u9700\u8981\u9078\u64c7\u8981\u4f7f\u7528\u7684\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>USE my_database;<\/code><\/pre>\n<h2 id=\"4-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7-MFehAGIOFn\">4. \u6578\u64da\u5eab\u7684\u5b89\u5168\u6027<\/h2>\n<h3 id=\"4-1-%e5%89%b5%e5%bb%ba%e7%94%a8%e6%88%b6-MFehAGIOFn\">4.1 \u5275\u5efa\u7528\u6236<\/h3>\n<p>\u70ba\u4e86\u4fdd\u8b77\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\uff0c\u901a\u5e38\u9700\u8981\u5275\u5efa\u4e0d\u540c\u7684\u7528\u6236\u4e26\u8ce6\u4e88\u76f8\u61c9\u7684\u6b0a\u9650\u3002\u4ee5\u4e0b\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u65b0\u7528\u6236\u4e26\u8ce6\u4e88\u5176\u5c0d `my_database` \u7684\u8a2a\u554f\u6b0a\u9650\uff1a<\/p>\n<pre><code>CREATE USER 'new_user'@'localhost' IDENTIFIED BY 'password';<\/code><\/pre>\n<pre><code>GRANT ALL PRIVILEGES ON my_database.* TO 'new_user'@'localhost';<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MFehAGIOFn\">\u7e3d\u7d50<\/h2>\n<p>MySQL \u6578\u64da\u5eab\u547d\u4ee4\u7684\u5be6\u969b\u61c9\u7528\u6db5\u84cb\u4e86\u5f9e\u57fa\u672c\u7684\u6578\u64da\u5eab\u548c\u8868\u7684\u5275\u5efa\u5230\u6578\u64da\u7684\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u7b49\u591a\u500b\u65b9\u9762\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u547d\u4ee4\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u61c9\u7528\u958b\u767c\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 MySQL \u6578\u64da\u5eab\u547d\u4ee4\u7684\u5be6\u969b\u61c9\u7528\u5be6\u4f8b\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-75626","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75626","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=75626"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75626\/revisions"}],"predecessor-version":[{"id":75627,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75626\/revisions\/75627"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}