{"id":193517,"date":"2024-11-12T22:50:23","date_gmt":"2024-11-12T14:50:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193517\/"},"modified":"2024-11-12T22:50:24","modified_gmt":"2024-11-12T14:50:24","slug":"%e5%ad%b8%e7%bf%92sql%ef%bc%9a%e9%80%a3%e6%8e%a5%e5%8b%95%e6%85%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8c%87%e5%8d%97-%e5%a6%82%e4%bd%95%e9%80%a3%e6%8e%a5%e5%8b%95%e6%85%8b%e6%95%b8%e6%93%9a%e5%ba%absql","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193517\/","title":{"rendered":"\u5b78\u7fd2SQL\uff1a\u9023\u63a5\u52d5\u614b\u6578\u64da\u5eab\u6307\u5357 (\u5982\u4f55\u9023\u63a5\u52d5\u614b\u6578\u64da\u5eabsql)"},"content":{"rendered":"<h1 id=\"%e5%ad%b8%e7%bf%92sql%ef%bc%9a%e9%80%a3%e6%8e%a5%e5%8b%95%e6%85%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e6%8c%87%e5%8d%97-%e5%a6%82%e4%bd%95%e9%80%a3%e6%8e%a5%e5%8b%95%e6%85%8b%e6%95%b8%e6%93%9a%e5%ba%absql-jXEdCSphlk\">\u5b78\u7fd2SQL\uff1a\u9023\u63a5\u52d5\u614b\u6578\u64da\u5eab\u6307\u5357 (\u5982\u4f55\u9023\u63a5\u52d5\u614b\u6578\u64da\u5eabSQL)<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u5df2\u6210\u70ba\u6578\u64da\u5eab\u7ba1\u7406\u548c\u64cd\u4f5c\u7684\u6838\u5fc3\u5de5\u5177\u3002\u7121\u8ad6\u662f\u958b\u767c\u8005\u9084\u662f\u6578\u64da\u5206\u6790\u5e2b\uff0c\u638c\u63e1SQL\u90fd\u662f\u4e00\u9805\u5fc5\u5099\u6280\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u9023\u63a5\u52d5\u614b\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%8b%95%e6%85%8b%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-jXEdCSphlk\">\u4ec0\u9ebc\u662f\u52d5\u614b\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u52d5\u614b\u6578\u64da\u5eab\u662f\u6307\u80fd\u5920\u6839\u64da\u7528\u6236\u7684\u8acb\u6c42\u548c\u64cd\u4f5c\u5373\u6642\u66f4\u65b0\u6578\u64da\u7684\u6578\u64da\u5eab\u3002\u9019\u985e\u6578\u64da\u5eab\u901a\u5e38\u7528\u65bc\u9700\u8981\u983b\u7e41\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u3001\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u548c\u5167\u5bb9\u7ba1\u7406\u7cfb\u7d71\u3002\u52d5\u614b\u6578\u64da\u5eab\u7684\u7279\u9ede\u5728\u65bc\u5176\u80fd\u5920\u5feb\u901f\u97ff\u61c9\u7528\u6236\u7684\u8acb\u6c42\uff0c\u4e26\u63d0\u4f9b\u5373\u6642\u7684\u6578\u64da\u66f4\u65b0\u3002<\/p>\n<h2 id=\"%e9%80%a3%e6%8e%a5%e5%8b%95%e6%85%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-jXEdCSphlk\">\u9023\u63a5\u52d5\u614b\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u9023\u63a5\u52d5\u614b\u6578\u64da\u5eab\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u9078\u64c7\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\uff1a<\/strong>\u5e38\u898b\u7684DBMS\u5305\u62ecMySQL\u3001PostgreSQL\u3001Microsoft SQL Server\u7b49\u3002<\/li>\n<li><strong>\u5b89\u88dd\u76f8\u61c9\u7684\u9a45\u52d5\u7a0b\u5e8f\uff1a <\/strong>\u6839\u64da\u6240\u9078\u7684DBMS\uff0c\u5b89\u88dd\u76f8\u61c9\u7684\u9a45\u52d5\u7a0b\u5e8f\u4ee5\u4fbf\u65bc\u9023\u63a5\u3002<\/li>\n<li><strong>\u5efa\u7acb\u9023\u63a5\u5b57\u7b26\u4e32\uff1a <\/strong>\u9023\u63a5\u5b57\u7b26\u4e32\u5305\u542b\u4e86\u6578\u64da\u5eab\u7684\u5730\u5740\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u7b49\u4fe1\u606f\u3002<\/li>\n<li><strong>\u57f7\u884cSQL\u67e5\u8a62\uff1a <\/strong>\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u64cd\u4f5c\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8python%e9%80%a3%e6%8e%a5mysql%e6%95%b8%e6%93%9a%e5%ba%ab-jXEdCSphlk\">\u793a\u4f8b\uff1a\u4f7f\u7528Python\u9023\u63a5MySQL\u6578\u64da\u5eab<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Python\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u7c21\u55ae\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\n# \u5275\u5efa\u6e38\u6a19\ncursor = conn.cursor()\n\n# \u57f7\u884c\u67e5\u8a62\ncursor.execute(\"SELECT * FROM your_table\")\n\n# \u7372\u53d6\u7d50\u679c\nresults = cursor.fetchall()\nfor row in results:\n    print(row)\n\n# \u95dc\u9589\u9023\u63a5\ncursor.close()\nconn.close()\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5c0e\u5165\u4e86mysql.connector\u6a21\u584a\uff0c\u7136\u5f8c\u4f7f\u7528\u63d0\u4f9b\u7684\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u5efa\u7acb\u4e86\u9023\u63a5\u3002\u63a5\u8457\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u6e38\u6a19\u4f86\u57f7\u884cSQL\u67e5\u8a62\uff0c\u4e26\u7372\u53d6\u67e5\u8a62\u7d50\u679c\u3002\u6700\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6e38\u6a19\u548c\u9023\u63a5\u4ee5\u91cb\u653e\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"%e9%80%a3%e6%8e%a5%e5%85%b6%e4%bb%96%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-jXEdCSphlk\">\u9023\u63a5\u5176\u4ed6\u985e\u578b\u7684\u6578\u64da\u5eab<\/h2>\n<p>\u9664\u4e86MySQL\uff0c\u9084\u6709\u8a31\u591a\u5176\u4ed6\u985e\u578b\u7684\u6578\u64da\u5eab\u53ef\u4ee5\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u53ca\u5176\u9023\u63a5\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"postgresql-jXEdCSphlk\">PostgreSQL<\/h3>\n<pre><code>import psycopg2\n\n# \u5efa\u7acb\u9023\u63a5\nconn = psycopg2.connect(\n    host=\"localhost\",\n    database=\"your_database\",\n    user=\"your_username\",\n    password=\"your_password\"\n)\n\n# \u5275\u5efa\u6e38\u6a19\ncursor = conn.cursor()\n\n# \u57f7\u884c\u67e5\u8a62\ncursor.execute(\"SELECT * FROM your_table\")\n\n# \u7372\u53d6\u7d50\u679c\nresults = cursor.fetchall()\nfor row in results:\n    print(row)\n\n# \u95dc\u9589\u9023\u63a5\ncursor.close()\nconn.close()\n<\/code><\/pre>\n<h3 id=\"microsoft-sql-server-jXEdCSphlk\">Microsoft SQL Server<\/h3>\n<pre><code>import pyodbc\n\n# \u5efa\u7acb\u9023\u63a5\nconn = pyodbc.connect(\n    'DRIVER={ODBC Driver 17 for SQL Server};'\n    'SERVER=your_server;'\n    'DATABASE=your_database;'\n    'UID=your_username;'\n    'PWD=your_password'\n)\n\n# \u5275\u5efa\u6e38\u6a19\ncursor = conn.cursor()\n\n# \u57f7\u884c\u67e5\u8a62\ncursor.execute(\"SELECT * FROM your_table\")\n\n# \u7372\u53d6\u7d50\u679c\nresults = cursor.fetchall()\nfor row in results:\n    print(row)\n\n# \u95dc\u9589\u9023\u63a5\ncursor.close()\nconn.close()\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jXEdCSphlk\">\u7e3d\u7d50<\/h2>\n<p>\u5b78\u7fd2\u5982\u4f55\u9023\u63a5\u52d5\u614b\u6578\u64da\u5eab\u662f\u638c\u63e1SQL\u7684\u91cd\u8981\u4e00\u6b65\u3002\u901a\u904e\u4e86\u89e3\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u53ca\u5176\u9023\u63a5\u65b9\u5f0f\uff0c\u60a8\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u7121\u8ad6\u60a8\u662f\u4f7f\u7528MySQL\u3001PostgreSQL\u9084\u662fMicrosoft SQL Server\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u6280\u80fd\u90fd\u5c07\u5c0d\u60a8\u7684\u8077\u696d\u751f\u6daf\u5927\u6709\u88e8\u76ca\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2SQL\uff0c\u638c\u63e1\u9023\u63a5\u52d5\u614b\u6578\u64da\u5eab\u7684\u6280\u5de7\u8207\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u80fd\u529b\uff0c\u8f15\u9b06\u61c9\u5c0d\u5404\u7a2e\u6578\u64da\u67e5\u8a62\u9700\u6c42\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-193517","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193517","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=193517"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193517\/revisions"}],"predecessor-version":[{"id":193518,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193517\/revisions\/193518"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}