{"id":181306,"date":"2024-11-09T15:57:18","date_gmt":"2024-11-09T07:57:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181306\/"},"modified":"2024-11-09T15:57:19","modified_gmt":"2024-11-09T07:57:19","slug":"%e6%b7%b1%e5%85%a5%e5%89%96%e6%9e%90mysql%ef%bc%9a%e9%80%90%e8%a1%8c%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86%ef%bc%88mysql%e9%80%90%e8%a1%8c%e8%ae%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181306\/","title":{"rendered":"\u6df1\u5165\u5256\u6790MySQL\uff1a\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\u7684\u5be6\u73fe\u539f\u7406\uff08mysql\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e5%89%96%e6%9e%90mysql%ef%bc%9a%e9%80%90%e8%a1%8c%e8%ae%80%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-XekTPfsnjW\">\u6df1\u5165\u5256\u6790MySQL\uff1a\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\u7684\u5be6\u73fe\u539f\u7406<\/h1>\n<p>MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u5176\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5c0d\u6bcf\u4e00\u884c\u6578\u64da\u9032\u884c\u7279\u5b9a\u8655\u7406\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\u7684\u5be6\u73fe\u539f\u7406\u3002<\/p>\n<h2 id=\"mysql%e7%9a%84%e6%95%b8%e6%93%9a%e5%ad%98%e5%84%b2%e7%b5%90%e6%a7%8b-XekTPfsnjW\">MySQL\u7684\u6578\u64da\u5b58\u5132\u7d50\u69cb<\/h2>\n<p>\u5728\u7406\u89e3\u9010\u884c\u8b80\u53d6\u7684\u904e\u7a0b\u4e4b\u524d\uff0c\u6211\u5011\u9996\u5148\u9700\u8981\u4e86\u89e3MySQL\u7684\u6578\u64da\u5b58\u5132\u7d50\u69cb\u3002MySQL\u4f7f\u7528\u8868\u683c\u4f86\u5b58\u5132\u6578\u64da\uff0c\u6bcf\u500b\u8868\u7531\u884c\u548c\u5217\u7d44\u6210\u3002\u6bcf\u4e00\u884c\u4ee3\u8868\u4e00\u689d\u8a18\u9304\uff0c\u800c\u6bcf\u4e00\u5217\u5247\u4ee3\u8868\u8a72\u8a18\u9304\u7684\u5c6c\u6027\u3002MySQL\u652f\u6301\u591a\u7a2e\u5b58\u5132\u5f15\u64ce\uff0c\u5176\u4e2dInnoDB\u548cMyISAM\u662f\u6700\u5e38\u7528\u7684\u5169\u7a2e\u3002<\/p>\n<h3 id=\"innodb%e5%ad%98%e5%84%b2%e5%bc%95%e6%93%8e-XekTPfsnjW\">InnoDB\u5b58\u5132\u5f15\u64ce<\/h3>\n<p>InnoDB\u662fMySQL\u7684\u9ed8\u8a8d\u5b58\u5132\u5f15\u64ce\uff0c\u652f\u6301\u4e8b\u52d9\u3001\u884c\u7d1a\u9396\u5b9a\u548c\u5916\u9375\u7d04\u675f\u3002\u5b83\u7684\u6578\u64da\u5b58\u5132\u65b9\u5f0f\u662f\u4ee5\u9801\u70ba\u55ae\u4f4d\uff0c\u6bcf\u500b\u9801\u7684\u5927\u5c0f\u901a\u5e38\u70ba16KB\u3002\u7576\u6211\u5011\u9032\u884c\u9010\u884c\u8b80\u53d6\u6642\uff0cInnoDB\u6703\u5c07\u6578\u64da\u5f9e\u78c1\u789f\u8b80\u53d6\u5230\u5167\u5b58\u4e2d\uff0c\u7136\u5f8c\u9010\u884c\u8655\u7406\u3002<\/p>\n<h3 id=\"myisam%e5%ad%98%e5%84%b2%e5%bc%95%e6%93%8e-XekTPfsnjW\">MyISAM\u5b58\u5132\u5f15\u64ce<\/h3>\n<p>MyISAM\u662f\u4e00\u7a2e\u8f03\u820a\u7684\u5b58\u5132\u5f15\u64ce\uff0c\u4e3b\u8981\u7528\u65bc\u8b80\u53d6\u5bc6\u96c6\u578b\u7684\u61c9\u7528\u3002\u5b83\u4e0d\u652f\u6301\u4e8b\u52d9\uff0c\u4f46\u5728\u8b80\u53d6\u6027\u80fd\u4e0a\u8868\u73fe\u512a\u7570\u3002MyISAM\u7684\u6578\u64da\u5b58\u5132\u65b9\u5f0f\u662f\u4ee5\u6a94\u6848\u70ba\u55ae\u4f4d\uff0c\u6bcf\u500b\u8868\u5c0d\u61c9\u4e00\u500b\u6216\u591a\u500b\u6a94\u6848\u3002\u9010\u884c\u8b80\u53d6\u6642\uff0cMyISAM\u6703\u76f4\u63a5\u5f9e\u6a94\u6848\u4e2d\u8b80\u53d6\u6578\u64da\u3002<\/p>\n<h2 id=\"%e9%80%90%e8%a1%8c%e8%ae%80%e5%8f%96%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-XekTPfsnjW\">\u9010\u884c\u8b80\u53d6\u7684\u5be6\u73fe\u539f\u7406<\/h2>\n<p>\u9010\u884c\u8b80\u53d6\u6578\u64da\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li><strong>\u5efa\u7acb\u9023\u63a5\uff1a<\/strong>\u9996\u5148\uff0c\u61c9\u7528\u7a0b\u5e8f\u9700\u8981\u8207MySQL\u6578\u64da\u5eab\u5efa\u7acb\u9023\u63a5\uff0c\u9019\u901a\u5e38\u901a\u904e\u4f7f\u7528MySQL\u7684API\u4f86\u5be6\u73fe\u3002<\/li>\n<li><strong>\u57f7\u884c\u67e5\u8a62\uff1a<\/strong>\u4e00\u65e6\u9023\u63a5\u5efa\u7acb\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u57f7\u884cSQL\u67e5\u8a62\u4f86\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u9078\u64c7\u6240\u6709\u8a18\u9304\uff1a<\/li>\n<pre><code>SELECT * FROM your_table;<\/code><\/pre>\n<li><strong>\u9010\u884c\u8655\u7406\uff1a<\/strong>\u67e5\u8a62\u7d50\u679c\u8fd4\u56de\u5f8c\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u4ee5\u4f7f\u7528\u6e38\u6a19\uff08Cursor\uff09\u9010\u884c\u8b80\u53d6\u6578\u64da\u3002\u6e38\u6a19\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5141\u8a31\u61c9\u7528\u7a0b\u5e8f\u9010\u884c\u904d\u6b77\u67e5\u8a62\u7d50\u679c\u3002<\/li>\n<\/ol>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-XekTPfsnjW\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Python\u548cMySQL Connector\u9010\u884c\u8b80\u53d6\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import mysql.connector\n\n# \u5efa\u7acb\u9023\u63a5\nconn = mysql.connector.connect(\n    host='localhost',\n    user='your_username',\n    password='your_password',\n    database='your_database'\n)\n\ncursor = conn.cursor()\n\n# \u57f7\u884c\u67e5\u8a62\ncursor.execute(\"SELECT * FROM your_table\")\n\n# \u9010\u884c\u8b80\u53d6\nfor row in cursor:\n    print(row)\n\n# \u95dc\u9589\u9023\u63a5\ncursor.close()\nconn.close()\n<\/code><\/pre>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-XekTPfsnjW\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u9032\u884c\u9010\u884c\u8b80\u53d6\u6642\uff0c\u6027\u80fd\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u9010\u884c\u8b80\u53d6\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u3002<\/li>\n<li>\u9650\u5236\u67e5\u8a62\u8fd4\u56de\u7684\u884c\u6578\uff0c\u4f8b\u5982\u4f7f\u7528LIMIT\u5b50\u53e5\u3002<\/li>\n<li>\u8003\u616e\u6279\u91cf\u8655\u7406\u6578\u64da\uff0c\u800c\u4e0d\u662f\u9010\u884c\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XekTPfsnjW\">\u7e3d\u7d50<\/h2>\n<p>\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\u662fMySQL\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u64cd\u4f5c\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5c0d\u6bcf\u4e00\u884c\u6578\u64da\u9032\u884c\u7279\u5b9a\u8655\u7406\u7684\u60c5\u6cc1\u4e0b\u3002\u4e86\u89e3MySQL\u7684\u6578\u64da\u5b58\u5132\u7d50\u69cb\u548c\u9010\u884c\u8b80\u53d6\u7684\u5be6\u73fe\u539f\u7406\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684VPS\u89e3\u6c7a\u65b9\u6848\uff0c\u5982<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\uff0c\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u5256\u6790MySQL\u9010\u884c\u8b80\u53d6\u6578\u64da\u5eab\u7684\u5be6\u73fe\u539f\u7406\uff0c\u63a2\u7d22\u6578\u64da\u6aa2\u7d22\u904e\u7a0b\u4e2d\u7684\u95dc\u9375\u6280\u8853\u8207\u6700\u4f73\u5be6\u8e10\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-181306","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181306","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=181306"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181306\/revisions"}],"predecessor-version":[{"id":181307,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181306\/revisions\/181307"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}