{"id":75952,"date":"2024-10-16T02:36:17","date_gmt":"2024-10-15T18:36:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75952\/"},"modified":"2024-10-16T02:36:17","modified_gmt":"2024-10-15T18:36:17","slug":"mysql-%e5%a4%ba%e5%91%bd15%e9%97%ae%ef%bc%8c%e4%bd%a0%e8%83%bd%e5%9d%9a%e6%8c%81%e5%88%b0%e7%ac%ac%e5%87%a0%e9%97%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75952\/","title":{"rendered":"MySQL \u593a\u547d15\u95ee\uff0c\u4f60\u80fd\u575a\u6301\u5230\u7b2c\u51e0\u95ee\uff1f"},"content":{"rendered":"<h1 id=\"mysql-%e5%a4%ba%e5%91%bd15%e9%97%ae%ef%bc%8c%e4%bd%a0%e8%83%bd%e5%9d%9a%e6%8c%81%e5%88%b0%e7%ac%ac%e5%87%a0%e9%97%ae%ef%bc%9f-jeSvrjDYvN\">MySQL \u593a\u547d15\u95ee\uff0c\u4f60\u80fd\u575a\u6301\u5230\u7b2c\u51e0\u95ee\uff1f<\/h1>\n<p>MySQL \u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u5f00\u6e90\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u56e0\u5176\u9ad8\u6548\u3001\u7075\u6d3b\u548c\u6613\u4e8e\u4f7f\u7528\u800c\u53d7\u5230\u5f00\u53d1\u8005\u7684\u9752\u7750\u3002\u7136\u800c\uff0c\u5c3d\u7ba1 MySQL \u7684\u4f7f\u7528\u76f8\u5bf9\u666e\u904d\uff0c\u8bb8\u591a\u7528\u6237\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\u4ecd\u7136\u4f1a\u9047\u5230\u5404\u79cd\u6311\u6218\u3002\u672c\u6587\u5c06\u901a\u8fc715\u4e2a\u5173\u952e\u95ee\u9898\uff0c\u5e2e\u52a9\u4f60\u66f4\u6df1\u5165\u5730\u7406\u89e3 MySQL \u7684\u8fd0\u4f5c\u673a\u5236\u548c\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<h2 id=\"1-%e4%bb%80%e4%b9%88%e6%98%af-mysql%ef%bc%9f-jeSvrjDYvN\">1. \u4ec0\u4e48\u662f MySQL\uff1f<\/h2>\n<p>MySQL \u662f\u4e00\u4e2a\u57fa\u4e8e SQL\uff08\u7ed3\u6784\u5316\u67e5\u8be2\u8bed\u8a00\uff09\u7684\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u3002\u5b83\u7531\u745e\u5178\u516c\u53f8 MySQL AB \u5f00\u53d1\uff0c\u73b0\u4e3a Oracle \u516c\u53f8\u7684\u4e00\u90e8\u5206\u3002MySQL \u652f\u6301\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\uff0c\u5e76\u4e14\u53ef\u4ee5\u4e0e\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\uff08\u5982 PHP\u3001Python \u548c Java\uff09\u65e0\u7f1d\u96c6\u6210\u3002<\/p>\n<h2 id=\"2-mysql-%e7%9a%84%e4%b8%bb%e8%a6%81%e7%89%b9%e7%82%b9%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f-jeSvrjDYvN\">2. MySQL \u7684\u4e3b\u8981\u7279\u70b9\u662f\u4ec0\u4e48\uff1f<\/h2>\n<ul>\n<li>\u5f00\u6e90\uff1aMySQL \u662f\u514d\u8d39\u7684\uff0c\u7528\u6237\u53ef\u4ee5\u81ea\u7531\u4f7f\u7528\u548c\u4fee\u6539\u3002<\/li>\n<li>\u9ad8\u6027\u80fd\uff1aMySQL \u91c7\u7528\u4e86\u591a\u79cd\u4f18\u5316\u6280\u672f\uff0c\u80fd\u591f\u5904\u7406\u5927\u91cf\u6570\u636e\u3002<\/li>\n<li>\u5b89\u5168\u6027\uff1aMySQL \u63d0\u4f9b\u4e86\u591a\u79cd\u5b89\u5168\u673a\u5236\uff0c\u5305\u62ec\u7528\u6237\u6743\u9650\u7ba1\u7406\u548c\u6570\u636e\u52a0\u5bc6\u3002<\/li>\n<li>\u53ef\u6269\u5c55\u6027\uff1aMySQL \u53ef\u4ee5\u5904\u7406\u4ece\u5c0f\u578b\u5230\u5927\u578b\u7684\u6570\u636e\u5e93\u5e94\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e5%a6%82%e4%bd%95%e5%ae%89%e8%a3%85-mysql%ef%bc%9f-jeSvrjDYvN\">3. \u5982\u4f55\u5b89\u88c5 MySQL\uff1f<\/h2>\n<p>\u5728\u5927\u591a\u6570\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u5b89\u88c5 MySQL \u90fd\u76f8\u5bf9\u7b80\u5355\u3002\u4ee5 Ubuntu \u4e3a\u4f8b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<pre><code>sudo apt update\nsudo apt install mysql-server<\/code><\/pre>\n<h2 id=\"4-%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e6%95%b0%e6%8d%ae%e5%ba%93%e5%92%8c%e8%a1%a8%ef%bc%9f-jeSvrjDYvN\">4. \u5982\u4f55\u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\uff1f<\/h2>\n<p>\u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\u662f MySQL \u7684\u57fa\u672c\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u521b\u5efa\u6570\u636e\u5e93\u548c\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE DATABASE my_database;\nUSE my_database;\nCREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);<\/code><\/pre>\n<h2 id=\"5-%e5%a6%82%e4%bd%95%e6%8f%92%e5%85%a5%e6%95%b0%e6%8d%ae%ef%bc%9f-jeSvrjDYvN\">5. \u5982\u4f55\u63d2\u5165\u6570\u636e\uff1f<\/h2>\n<p>\u63d2\u5165\u6570\u636e\u53ef\u4ee5\u4f7f\u7528 INSERT \u8bed\u53e5\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6570\u636e\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO users (name, email) VALUES ('\u5f20\u4e09', 'zhangsan@example.com');<\/code><\/pre>\n<h2 id=\"6-%e5%a6%82%e4%bd%95%e6%9f%a5%e8%af%a2%e6%95%b0%e6%8d%ae%ef%bc%9f-jeSvrjDYvN\">6. \u5982\u4f55\u67e5\u8be2\u6570\u636e\uff1f<\/h2>\n<p>\u67e5\u8be2\u6570\u636e\u4f7f\u7528 SELECT \u8bed\u53e5\u3002\u4ee5\u4e0b\u662f\u67e5\u8be2\u6240\u6709\u7528\u6237\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<h2 id=\"7-%e5%a6%82%e4%bd%95%e6%9b%b4%e6%96%b0%e6%95%b0%e6%8d%ae%ef%bc%9f-jeSvrjDYvN\">7. \u5982\u4f55\u66f4\u65b0\u6570\u636e\uff1f<\/h2>\n<p>\u66f4\u65b0\u6570\u636e\u4f7f\u7528 UPDATE \u8bed\u53e5\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u7528\u6237\u4fe1\u606f\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE users SET email = 'newemail@example.com' WHERE name = '\u5f20\u4e09';<\/code><\/pre>\n<h2 id=\"8-%e5%a6%82%e4%bd%95%e5%88%a0%e9%99%a4%e6%95%b0%e6%8d%ae%ef%bc%9f-jeSvrjDYvN\">8. \u5982\u4f55\u5220\u9664\u6570\u636e\uff1f<\/h2>\n<p>\u5220\u9664\u6570\u636e\u4f7f\u7528 DELETE \u8bed\u53e5\u3002\u4ee5\u4e0b\u662f\u5220\u9664\u7528\u6237\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DELETE FROM users WHERE name = '\u5f20\u4e09';<\/code><\/pre>\n<h2 id=\"9-%e4%bb%80%e4%b9%88%e6%98%af%e7%b4%a2%e5%bc%95%ef%bc%8c%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e7%b4%a2%e5%bc%95%ef%bc%9f-jeSvrjDYvN\">9. \u4ec0\u4e48\u662f\u7d22\u5f15\uff0c\u5982\u4f55\u521b\u5efa\u7d22\u5f15\uff1f<\/h2>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u7684\u4e00\u79cd\u673a\u5236\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\u521b\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>CREATE INDEX idx_email ON users (email);<\/code><\/pre>\n<h2 id=\"10-%e5%a6%82%e4%bd%95%e5%a4%87%e4%bb%bd%e5%92%8c%e6%81%a2%e5%a4%8d%e6%95%b0%e6%8d%ae%e5%ba%93%ef%bc%9f-jeSvrjDYvN\">10. \u5982\u4f55\u5907\u4efd\u548c\u6062\u590d\u6570\u636e\u5e93\uff1f<\/h2>\n<p>\u5907\u4efd\u6570\u636e\u5e93\u53ef\u4ee5\u4f7f\u7528 mysqldump \u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u5907\u4efd\u548c\u6062\u590d\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>mysqldump -u root -p my_database &gt; backup.sql\nmysql -u root -p my_database &lt; backup.sql<\/code><\/pre>\n<h2 id=\"11-%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96%e6%9f%a5%e8%af%a2%e6%80%a7%e8%83%bd%ef%bc%9f-jeSvrjDYvN\">11. \u5982\u4f55\u4f18\u5316\u67e5\u8be2\u6027\u80fd\uff1f<\/h2>\n<p>\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u7d22\u5f15\u3001\u907f\u514d SELECT *\u3001\u4f7f\u7528 JOIN \u800c\u4e0d\u662f\u5b50\u67e5\u8be2\u7b49\u65b9\u5f0f\u5b9e\u73b0\u3002<\/p>\n<h2 id=\"12-%e4%bb%80%e4%b9%88%e6%98%af%e4%ba%8b%e5%8a%a1%ef%bc%8c%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e4%ba%8b%e5%8a%a1%ef%bc%9f-jeSvrjDYvN\">12. \u4ec0\u4e48\u662f\u4e8b\u52a1\uff0c\u5982\u4f55\u4f7f\u7528\u4e8b\u52a1\uff1f<\/h2>\n<p>\u4e8b\u52a1\u662f\u4e00\u7ec4\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\u7ba1\u7406\u4e8b\u52a1\uff1a<\/p>\n<pre><code>START TRANSACTION;\n-- \u6267\u884c\u64cd\u4f5c\nCOMMIT; -- \u6216 ROLLBACK;<\/code><\/pre>\n<h2 id=\"13-%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e5%b9%b6%e5%8f%91%e9%97%ae%e9%a2%98%ef%bc%9f-jeSvrjDYvN\">13. \u5982\u4f55\u5904\u7406\u5e76\u53d1\u95ee\u9898\uff1f<\/h2>\n<p>MySQL \u63d0\u4f9b\u4e86\u591a\u79cd\u9694\u79bb\u7ea7\u522b\u6765\u5904\u7406\u5e76\u53d1\u95ee\u9898\uff0c\u5305\u62ec READ UNCOMMITTED\u3001READ COMMITTED\u3001REPEATABLE READ \u548c SERIALIZABLE\u3002<\/p>\n<h2 id=\"14-%e5%a6%82%e4%bd%95%e7%9b%91%e6%8e%a7-mysql-%e6%80%a7%e8%83%bd%ef%bc%9f-jeSvrjDYvN\">14. \u5982\u4f55\u76d1\u63a7 MySQL \u6027\u80fd\uff1f<\/h2>\n<p>\u53ef\u4ee5\u4f7f\u7528 MySQL \u7684\u6027\u80fd\u6a21\u5f0f\uff08Performance Schema\uff09\u548c\u6162\u67e5\u8be2\u65e5\u5fd7\u6765\u76d1\u63a7\u6027\u80fd\u3002<\/p>\n<h2 id=\"15-%e5%a6%82%e4%bd%95%e5%ae%89%e5%85%a8%e5%9c%b0%e9%85%8d%e7%bd%ae-mysql%ef%bc%9f-jeSvrjDYvN\">15. \u5982\u4f55\u5b89\u5168\u5730\u914d\u7f6e MySQL\uff1f<\/h2>\n<p>\u5b89\u5168\u914d\u7f6e\u5305\u62ec\u66f4\u6539\u9ed8\u8ba4\u7aef\u53e3\u3001\u7981\u7528\u8fdc\u7a0b root \u767b\u5f55\u3001\u5b9a\u671f\u66f4\u65b0\u548c\u4f7f\u7528\u5f3a\u5bc6\u7801\u7b49\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-jeSvrjDYvN\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u4ee5\u4e0a15\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u5bf9 MySQL \u7684\u57fa\u672c\u64cd\u4f5c\u548c\u6700\u4f73\u5b9e\u8df5\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002\u65e0\u8bba\u4f60\u662f\u521d\u5b66\u8005\u8fd8\u662f\u6709\u7ecf\u9a8c\u7684\u5f00\u53d1\u8005\uff0c\u638c\u63e1\u8fd9\u4e9b\u77e5\u8bc6\u90fd\u5c06\u5e2e\u52a9\u4f60\u66f4\u6709\u6548\u5730\u4f7f\u7528 MySQL\u3002\u5982\u679c\u4f60\u6b63\u5728\u5bfb\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u51b3\u65b9\u6848\u6765\u6258\u7ba1\u4f60\u7684 MySQL \u6570\u636e\u5e93\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u79cd\u9009\u62e9\uff0c\u6ee1\u8db3\u4e0d\u540c\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6311\u6218\u4f60\u7684MySQL\u77e5\u8bc6\uff01\u300aMySQL \u593a\u547d15\u95ee\u300b\u6d4b\u8bd5\u4f60\u80fd\u575a\u6301\u5230\u7b2c\u51e0\u95ee\uff0c\u5feb\u6765\u68c0\u9a8c\u4f60\u7684\u6570\u636e\u5e93\u6280\u80fd\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-75952","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75952","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=75952"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75952\/revisions"}],"predecessor-version":[{"id":75953,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75952\/revisions\/75953"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}