{"id":76362,"date":"2024-10-16T06:02:15","date_gmt":"2024-10-15T22:02:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76362\/"},"modified":"2024-10-16T06:02:15","modified_gmt":"2024-10-15T22:02:15","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e6%8e%8c%e6%8f%a1%e9%a1%8c%e5%ba%ab%e9%a1%8c%e7%9b%ae%e7%9a%84%e9%97%9c%e9%8d%b5%ef%bc%81-mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a1%8c%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76362\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\uff1a\u638c\u63e1\u984c\u5eab\u984c\u76ee\u7684\u95dc\u9375\uff01 (MySQL\u6578\u64da\u5eab\u984c\u5eab)"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e6%8e%8c%e6%8f%a1%e9%a1%8c%e5%ba%ab%e9%a1%8c%e7%9b%ae%e7%9a%84%e9%97%9c%e9%8d%b5%ef%bc%81-oByDqHZRXL\">MySQL\u6578\u64da\u5eab\uff1a\u638c\u63e1\u984c\u5eab\u984c\u76ee\u7684\u95dc\u9375\uff01<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002MySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u984c\u5eab\u7cfb\u7d71\u7684\u958b\u767c\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u5728\u984c\u5eab\u984c\u76ee\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a6%82%e8%bf%b0-oByDqHZRXL\">MySQL\u6578\u64da\u5eab\u6982\u8ff0<\/h2>\n<p>MySQL\u662f\u4e00\u7a2e\u95dc\u806f\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u4f7f\u7528\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u4f86\u9032\u884c\u6578\u64da\u7684\u5b58\u53d6\u548c\u7ba1\u7406\u3002\u5b83\u7684\u9ad8\u6548\u6027\u3001\u9748\u6d3b\u6027\u548c\u53ef\u64f4\u5c55\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002MySQL\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u6574\u6578\u3001\u6d6e\u9ede\u6578\u3001\u5b57\u7b26\u4e32\u548c\u65e5\u671f\u7b49\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u9748\u6d3b\u5730\u8655\u7406\u5404\u7a2e\u6578\u64da\u3002<\/p>\n<h2 id=\"%e9%a1%8c%e5%ba%ab%e7%b3%bb%e7%b5%b1%e7%9a%84%e9%9c%80%e6%b1%82-oByDqHZRXL\">\u984c\u5eab\u7cfb\u7d71\u7684\u9700\u6c42<\/h2>\n<p>\u984c\u5eab\u7cfb\u7d71\u901a\u5e38\u9700\u8981\u5b58\u5132\u5927\u91cf\u7684\u984c\u76ee\u3001\u9078\u9805\u548c\u7b54\u6848\uff0c\u4e26\u80fd\u5920\u5feb\u901f\u6aa2\u7d22\u548c\u7ba1\u7406\u9019\u4e9b\u6578\u64da\u3002\u9019\u5c31\u9700\u8981\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5eab\u4f86\u652f\u6301\u9019\u4e9b\u64cd\u4f5c\u3002MySQL\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u4f7f\u5176\u6210\u70ba\u984c\u5eab\u7cfb\u7d71\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-oByDqHZRXL\">\u6578\u64da\u5eab\u8a2d\u8a08<\/h3>\n<p>\u5728\u8a2d\u8a08\u984c\u5eab\u6578\u64da\u5eab\u6642\uff0c\u9996\u5148\u9700\u8981\u8003\u616e\u6578\u64da\u7684\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u984c\u5eab\u6578\u64da\u5eab\u8a2d\u8a08\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE questions (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    question_text TEXT NOT NULL,\n    correct_answer VARCHAR(255) NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);\n\nCREATE TABLE options (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    question_id INT,\n    option_text VARCHAR(255) NOT NULL,\n    FOREIGN KEY (question_id) REFERENCES questions(id)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u8a2d\u8a08\u4e2d\uff0c\u6211\u5011\u6709\u5169\u500b\u8868\uff1a`questions`\u548c`options`\u3002`questions`\u8868\u7528\u65bc\u5b58\u5132\u984c\u76ee\uff0c\u800c`options`\u8868\u5247\u7528\u65bc\u5b58\u5132\u6bcf\u500b\u984c\u76ee\u7684\u9078\u9805\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u984c\u76ee\u548c\u9078\u9805\u4e4b\u9593\u7684\u95dc\u4fc2\u6e05\u6670\u660e\u4e86\u3002<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c-oByDqHZRXL\">\u6578\u64da\u64cd\u4f5c<\/h3>\n<p>\u4e00\u65e6\u6578\u64da\u5eab\u8a2d\u8a08\u5b8c\u6210\uff0c\u6211\u5011\u5c31\u53ef\u4ee5\u958b\u59cb\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u64cd\u4f5c\u793a\u4f8b\uff1a<\/p>\n<h4 id=\"%e6%8f%92%e5%85%a5%e9%a1%8c%e7%9b%ae-oByDqHZRXL\">\u63d2\u5165\u984c\u76ee<\/h4>\n<pre><code>INSERT INTO questions (question_text, correct_answer) \nVALUES ('MySQL\u662f\u4ec0\u9ebc\uff1f', '\u4e00\u7a2e\u95dc\u806f\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71');<\/code><\/pre>\n<h4 id=\"%e6%9f%a5%e8%a9%a2%e9%a1%8c%e7%9b%ae-oByDqHZRXL\">\u67e5\u8a62\u984c\u76ee<\/h4>\n<pre><code>SELECT * FROM questions;<\/code><\/pre>\n<h4 id=\"%e6%9b%b4%e6%96%b0%e9%a1%8c%e7%9b%ae-oByDqHZRXL\">\u66f4\u65b0\u984c\u76ee<\/h4>\n<pre><code>UPDATE questions \nSET question_text = 'MySQL\u662f\u4e00\u7a2e\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71' \nWHERE id = 1;<\/code><\/pre>\n<h4 id=\"%e5%88%aa%e9%99%a4%e9%a1%8c%e7%9b%ae-oByDqHZRXL\">\u522a\u9664\u984c\u76ee<\/h4>\n<pre><code>DELETE FROM questions \nWHERE id = 1;<\/code><\/pre>\n<h2 id=\"%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96-oByDqHZRXL\">\u6027\u80fd\u512a\u5316<\/h2>\n<p>\u5728\u984c\u5eab\u7cfb\u7d71\u4e2d\uff0c\u6027\u80fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u70ba\u4e86\u63d0\u9ad8MySQL\u7684\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u5efa\u7acb\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u67e5\u8a62\u512a\u5316\uff1a<\/strong>\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u5206\u5340\uff1a<\/strong>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5206\u5340\u6280\u8853\u4f86\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oByDqHZRXL\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6578\u64da\u5eab\u5728\u984c\u5eab\u7cfb\u7d71\u4e2d\u626e\u6f14\u8457\u95dc\u9375\u89d2\u8272\uff0c\u901a\u904e\u5408\u7406\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u548c\u512a\u5316\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u6aa2\u7d22\u984c\u76ee\u6578\u64da\u3002\u7121\u8ad6\u662f\u5b78\u8853\u8003\u8a66\u9084\u662f\u5728\u7dda\u6e2c\u9a57\uff0cMySQL\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u652f\u6301\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684MySQL\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1MySQL\u6578\u64da\u5eab\uff0c\u63d0\u5347\u984c\u5eab\u7ba1\u7406\u6548\u7387\uff0c\u8f15\u9b06\u7ba1\u7406\u984c\u76ee\uff0c\u52a9\u4f60\u5728\u5b78\u7fd2\u548c\u8003\u8a66\u4e2d\u53d6\u5f97\u512a\u7570\u6210\u7e3e\uff01<\/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-76362","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76362","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=76362"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76362\/revisions"}],"predecessor-version":[{"id":76363,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76362\/revisions\/76363"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}