{"id":166589,"date":"2024-11-05T17:31:18","date_gmt":"2024-11-05T09:31:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166589\/"},"modified":"2024-11-05T17:31:18","modified_gmt":"2024-11-05T09:31:18","slug":"%e5%bf%ab%e9%80%9f%e5%ad%b8%e6%9c%83sql%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e4%bb%a3%e7%a2%bc-sql%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e4%bb%a3%e7%a2%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166589\/","title":{"rendered":"\u5feb\u901f\u5b78\u6703SQL\u5efa\u7acb\u6578\u64da\u5eab\u7684\u4ee3\u78bc (sql\u5efa\u7acb\u6578\u64da\u5eab\u7684\u4ee3\u78bc)"},"content":{"rendered":"<h1 id=\"%e5%bf%ab%e9%80%9f%e5%ad%b8%e6%9c%83sql%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e4%bb%a3%e7%a2%bc-NExKYVUqKv\">\u5feb\u901f\u5b78\u6703SQL\u5efa\u7acb\u6578\u64da\u5eab\u7684\u4ee3\u78bc<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u6838\u5fc3\u5de5\u5177\u3002\u7121\u8ad6\u662f\u958b\u767c\u61c9\u7528\u7a0b\u5e8f\u9084\u662f\u9032\u884c\u6578\u64da\u5206\u6790\uff0c\u638c\u63e1SQL\u90fd\u662f\u4e00\u9805\u5fc5\u5099\u6280\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5feb\u901f\u5b78\u6703\u4f7f\u7528SQL\u5efa\u7acb\u6578\u64da\u5eab\u7684\u4ee3\u78bc\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsql%ef%bc%9f-NExKYVUqKv\">\u4ec0\u9ebc\u662fSQL\uff1f<\/h2>\n<p>SQL\u662f\u4e00\u7a2e\u5c08\u9580\u7528\u65bc\u8207\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u7684\u7de8\u7a0b\u8a9e\u8a00\u3002\u5b83\u5141\u8a31\u7528\u6236\u5275\u5efa\u3001\u8b80\u53d6\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\uff08\u901a\u5e38\u7c21\u7a31\u70baCRUD\u64cd\u4f5c\uff09\u3002SQL\u7684\u8a9e\u6cd5\u7c21\u55ae\u660e\u77ad\uff0c\u4f7f\u5f97\u5373\u4f7f\u662f\u521d\u5b78\u8005\u4e5f\u80fd\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n<h2 id=\"%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-NExKYVUqKv\">\u5efa\u7acb\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u5728\u958b\u59cb\u4f7f\u7528SQL\u5efa\u7acb\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5\u3002\u6578\u64da\u5eab\u662f\u4e00\u500b\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u5b58\u5132\u3002\u6bcf\u500b\u8868\u683c\u7531\u884c\u548c\u5217\u7d44\u6210\uff0c\u884c\u4ee3\u8868\u8a18\u9304\uff0c\u5217\u4ee3\u8868\u5c6c\u6027\u3002<\/p>\n<h3 id=\"1-%e9%80%a3%e6%8e%a5%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e7%ae%a1%e7%90%86%e7%b3%bb%e7%b5%b1-NExKYVUqKv\">1. \u9023\u63a5\u5230\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71<\/h3>\n<p>\u5728\u57f7\u884c\u4efb\u4f55SQL\u547d\u4ee4\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u9023\u63a5\u5230\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u3002\u9019\u53ef\u4ee5\u901a\u904e\u547d\u4ee4\u884c\u5de5\u5177\u6216\u5716\u5f62\u7528\u6236\u754c\u9762\uff08GUI\uff09\u4f86\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528MySQL\u7684\u9023\u63a5\u793a\u4f8b\uff1a<\/p>\n<pre><code>mysql -u username -p<\/code><\/pre>\n<p>\u5728\u63d0\u793a\u7b26\u4e0b\u8f38\u5165\u5bc6\u78bc\u5f8c\uff0c\u60a8\u5c07\u9032\u5165MySQL\u547d\u4ee4\u884c\u754c\u9762\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-NExKYVUqKv\">2. \u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u65b0\u7684\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<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab-NExKYVUqKv\">3. \u4f7f\u7528\u6578\u64da\u5eab<\/h3>\n<p>\u5275\u5efa\u6578\u64da\u5eab\u5f8c\uff0c\u60a8\u9700\u8981\u9078\u64c7\u4f7f\u7528\u5b83\uff1a<\/p>\n<pre><code>USE my_database;<\/code><\/pre>\n<h3 id=\"4-%e5%89%b5%e5%bb%ba%e8%a1%a8%e6%a0%bc-NExKYVUqKv\">4. \u5275\u5efa\u8868\u683c<\/h3>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u6216\u591a\u500b\u8868\u683c\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\u683c\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\u683c\uff1aid\u3001username\u3001email\u548ccreated_at\u3002<\/p>\n<h3 id=\"5-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-NExKYVUqKv\">5. \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u5275\u5efa\u8868\u683c\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5411\u8868\u683c\u4e2d\u63d2\u5165\u6578\u64da\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\u683c\u4e2d\u3002<\/p>\n<h3 id=\"6-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-NExKYVUqKv\">6. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u8981\u67e5\u770b\u8868\u683c\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u201cusers\u201d\u8868\u683c\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NExKYVUqKv\">\u7e3d\u7d50<\/h2>\n<p>\u5b78\u7fd2SQL\u5efa\u7acb\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e26\u4e0d\u8907\u96dc\uff0c\u901a\u904e\u638c\u63e1\u57fa\u672c\u7684SQL\u8a9e\u6cd5\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5275\u5efa\u548c\u7ba1\u7406\u6578\u64da\u5eab\u3002\u7121\u8ad6\u60a8\u662f\u958b\u767c\u8005\u9084\u662f\u6578\u64da\u5206\u6790\u5e2b\uff0cSQL\u90fd\u662f\u4e00\u9805\u4e0d\u53ef\u6216\u7f3a\u7684\u6280\u80fd\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u7ba1\u7406\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u5b78\u6703SQL\u5efa\u7acb\u6578\u64da\u5eab\u7684\u4ee3\u78bc\uff0c\u638c\u63e1\u57fa\u672c\u8a9e\u6cd5\u8207\u5be6\u7528\u6280\u5de7\uff0c\u8f15\u9b06\u5275\u5efa\u548c\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u80fd\u529b\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-166589","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166589","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=166589"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166589\/revisions"}],"predecessor-version":[{"id":166590,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166589\/revisions\/166590"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}