{"id":76668,"date":"2024-10-16T08:49:15","date_gmt":"2024-10-16T00:49:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76668\/"},"modified":"2024-10-16T08:49:15","modified_gmt":"2024-10-16T00:49:15","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e8%88%87%e8%a1%a8%e7%9a%84%e5%b9%be%e5%80%8b%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76668\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u8207\u8868\u7684\u5e7e\u500b\u57fa\u672c\u547d\u4ee4\u793a\u4f8b"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e8%88%87%e8%a1%a8%e7%9a%84%e5%b9%be%e5%80%8b%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4%e7%a4%ba%e4%be%8b-SbEsAzKFgZ\">MySQL\u6578\u64da\u5eab\u8207\u8868\u7684\u5e7e\u500b\u57fa\u672c\u547d\u4ee4\u793a\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\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\uff0cMySQL\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u4e9bMySQL\u7684\u57fa\u672c\u547d\u4ee4\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u64cd\u4f5c\u6578\u64da\u5eab\u548c\u8868\u3002<\/p>\n<h2 id=\"1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-SbEsAzKFgZ\">1. \u5275\u5efa\u6578\u64da\u5eab<\/h2>\n<p>\u5728\u4f7f\u7528MySQL\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5275\u5efa\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>CREATE DATABASE my_database;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cmy_database\u201d\u7684\u6578\u64da\u5eab\u3002\u5275\u5efa\u6578\u64da\u5eab\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u6240\u6709\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>SHOW DATABASES;<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab-SbEsAzKFgZ\">2. \u4f7f\u7528\u6578\u64da\u5eab<\/h2>\n<p>\u5275\u5efa\u6578\u64da\u5eab\u5f8c\uff0c\u63a5\u4e0b\u4f86\u9700\u8981\u9078\u64c7\u4f7f\u7528\u8a72\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>USE my_database;<\/code><\/pre>\n<h2 id=\"3-%e5%89%b5%e5%bb%ba%e8%a1%a8-SbEsAzKFgZ\">3. \u5275\u5efa\u8868<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u8868\u662f\u5b58\u5132\u6578\u64da\u7684\u7b2c\u4e00\u6b65\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    email VARCHAR(100) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5275\u5efa\u4e86\u4e00\u500b\u5305\u542b\u56db\u500b\u5b57\u6bb5\u7684\u8868\uff1aid\u3001username\u3001email\u548ccreated_at\u3002\u5176\u4e2d\uff0cid\u5b57\u6bb5\u662f\u81ea\u52d5\u589e\u91cf\u7684\u4e3b\u9375\u3002<\/p>\n<h2 id=\"4-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-SbEsAzKFgZ\">4. \u63d2\u5165\u6578\u64da<\/h2>\n<p>\u5275\u5efa\u8868\u5f8c\uff0c\u53ef\u4ee5\u5411\u8868\u4e2d\u63d2\u5165\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO users (username, email) VALUES ('john_doe', 'john@example.com');<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u4e00\u689d\u65b0\u8a18\u9304\u63d2\u5165\u5230\u201cusers\u201d\u8868\u4e2d\u3002<\/p>\n<h2 id=\"5-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-SbEsAzKFgZ\">5. \u67e5\u8a62\u6578\u64da<\/h2>\n<p>\u8981\u67e5\u770b\u8868\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528SELECT\u547d\u4ee4\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u201cusers\u201d\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002\u5982\u679c\u53ea\u60f3\u67e5\u8a62\u7279\u5b9a\u5b57\u6bb5\uff0c\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n<pre><code>SELECT username, email FROM users;<\/code><\/pre>\n<h2 id=\"6-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-SbEsAzKFgZ\">6. \u66f4\u65b0\u6578\u64da<\/h2>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u8868\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528UPDATE\u547d\u4ee4\uff1a<\/p>\n<pre><code>UPDATE users SET email = 'john_doe@example.com' WHERE username = 'john_doe';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u66f4\u65b0username\u70ba\u201cjohn_doe\u201d\u7684\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002<\/p>\n<h2 id=\"7-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-SbEsAzKFgZ\">7. \u522a\u9664\u6578\u64da<\/h2>\n<p>\u8981\u522a\u9664\u8868\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528DELETE\u547d\u4ee4\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE username = 'john_doe';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u522a\u9664username\u70ba\u201cjohn_doe\u201d\u7684\u7528\u6236\u8a18\u9304\u3002<\/p>\n<h2 id=\"8-%e5%88%aa%e9%99%a4%e8%a1%a8-SbEsAzKFgZ\">8. \u522a\u9664\u8868<\/h2>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u6574\u500b\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528DROP TABLE\u547d\u4ee4\uff1a<\/p>\n<pre><code>DROP TABLE users;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u522a\u9664\u201cusers\u201d\u8868\u53ca\u5176\u6240\u6709\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SbEsAzKFgZ\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86MySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u547d\u4ee4\uff0c\u5305\u62ec\u5275\u5efa\u6578\u64da\u5eab\u3001\u4f7f\u7528\u6578\u64da\u5eab\u3001\u5275\u5efa\u8868\u3001\u63d2\u5165\u6578\u64da\u3001\u67e5\u8a62\u6578\u64da\u3001\u66f4\u65b0\u6578\u64da\u3001\u522a\u9664\u6578\u64da\u4ee5\u53ca\u522a\u9664\u8868\u3002\u9019\u4e9b\u57fa\u672c\u547d\u4ee4\u662f\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u7ba1\u7406\u7684\u57fa\u790e\uff0c\u638c\u63e1\u9019\u4e9b\u547d\u4ee4\u5c07\u6709\u52a9\u65bc\u66f4\u9ad8\u6548\u5730\u64cd\u4f5c\u6578\u64da\u5eab\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4e0a\u8a2d\u7f6e\u548c\u7ba1\u7406MySQL\u6578\u64da\u5eab\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MySQL\u6578\u64da\u5eab\u8207\u8868\u7684\u57fa\u672c\u547d\u4ee4\u793a\u4f8b\uff0c\u5b78\u7fd2\u5982\u4f55\u5275\u5efa\u3001\u67e5\u8a62\u548c\u7ba1\u7406\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6280\u80fd\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-76668","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76668","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=76668"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76668\/revisions"}],"predecessor-version":[{"id":76669,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76668\/revisions\/76669"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}