{"id":144009,"date":"2024-11-01T03:06:23","date_gmt":"2024-10-31T19:06:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/144009\/"},"modified":"2024-11-01T03:06:24","modified_gmt":"2024-10-31T19:06:24","slug":"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%81%af%e6%a9%9f%e8%a9%b3%e8%a7%a3-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%8e%e9%ba%bc%e8%81%af%e6%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/144009\/","title":{"rendered":"SQL \u6578\u64da\u5eab\u806f\u6a5f\u8a73\u89e3 (sql \u6578\u64da\u5eab\u600e\u9ebc\u806f\u6a5f)"},"content":{"rendered":"<h1 id=\"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%81%af%e6%a9%9f%e8%a9%b3%e8%a7%a3-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%8e%e9%ba%bc%e8%81%af%e6%a9%9f-kZIBzwQYlk\">SQL \u6578\u64da\u5eab\u806f\u6a5f\u8a73\u89e3 (SQL \u6578\u64da\u5eab\u600e\u9ebc\u806f\u6a5f)<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u6578\u64da\u5eab\u5df2\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u548c\u7db2\u7ad9\u7684\u6838\u5fc3\u7d44\u4ef6\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0cSQL \u6578\u64da\u5eab\u90fd\u80fd\u6709\u6548\u5730\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e SQL \u6578\u64da\u5eab\u7684\u806f\u6a5f\u904e\u7a0b\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5982\u4f55\u9023\u63a5\u548c\u64cd\u4f5c SQL \u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-sql-%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-kZIBzwQYlk\">\u4ec0\u9ebc\u662f SQL \u6578\u64da\u5eab\uff1f<\/h2>\n<p>SQL \u6578\u64da\u5eab\u662f\u4e00\u7a2e\u4f7f\u7528 SQL \u8a9e\u8a00\u9032\u884c\u6578\u64da\u7ba1\u7406\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u5b83\u5141\u8a31\u7528\u6236\u5275\u5efa\u3001\u8b80\u53d6\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u5e38\u898b\u7684 SQL \u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ec MySQL\u3001PostgreSQL\u3001Microsoft SQL Server \u548c Oracle Database \u7b49\u3002<\/p>\n<h2 id=\"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%81%af%e6%a9%9f%e6%96%b9%e5%bc%8f-kZIBzwQYlk\">SQL \u6578\u64da\u5eab\u7684\u806f\u6a5f\u65b9\u5f0f<\/h2>\n<p>\u8981\u9023\u63a5\u5230 SQL \u6578\u64da\u5eab\uff0c\u901a\u5e38\u9700\u8981\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a1%9e%e5%9e%8b-kZIBzwQYlk\">1. \u78ba\u5b9a\u6578\u64da\u5eab\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u5b9a\u8981\u9023\u63a5\u7684\u6578\u64da\u5eab\u985e\u578b\u3002\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u9023\u63a5\u65b9\u5f0f\u548c\u9a45\u52d5\u7a0b\u5e8f\u3002\u4f8b\u5982\uff0cMySQL \u548c PostgreSQL \u90fd\u6709\u5404\u81ea\u7684\u9023\u63a5\u9a45\u52d5\u3002<\/p>\n<h3 id=\"2-%e5%ae%89%e8%a3%9d%e7%9b%b8%e6%87%89%e7%9a%84%e9%a9%85%e5%8b%95%e7%a8%8b%e5%ba%8f-kZIBzwQYlk\">2. \u5b89\u88dd\u76f8\u61c9\u7684\u9a45\u52d5\u7a0b\u5e8f<\/h3>\n<p>\u6839\u64da\u60a8\u9078\u64c7\u7684\u6578\u64da\u5eab\uff0c\u60a8\u9700\u8981\u5b89\u88dd\u76f8\u61c9\u7684\u9a45\u52d5\u7a0b\u5e8f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\uff1a<\/p>\n<ul>\n<li>MySQL: <code>mysql-connector-java<\/code>\uff08Java\uff09\u6216 <code>mysqlclient<\/code>\uff08Python\uff09<\/li>\n<li>PostgreSQL: <code>postgresql-42.2.5.jar<\/code>\uff08Java\uff09\u6216 <code>psycopg2<\/code>\uff08Python\uff09<\/li>\n<li>Microsoft SQL Server: <code>sqljdbc4.jar<\/code>\uff08Java\uff09\u6216 <code>pyodbc<\/code>\uff08Python\uff09<\/li>\n<\/ul>\n<h3 id=\"3-%e9%85%8d%e7%bd%ae%e9%80%a3%e6%8e%a5%e5%8f%83%e6%95%b8-kZIBzwQYlk\">3. \u914d\u7f6e\u9023\u63a5\u53c3\u6578<\/h3>\n<p>\u5728\u9023\u63a5\u5230\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u914d\u7f6e\u4e00\u4e9b\u9023\u63a5\u53c3\u6578\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u6a5f\u540d<\/strong>: \u6578\u64da\u5eab\u4f3a\u670d\u5668\u7684 IP \u5730\u5740\u6216\u57df\u540d<\/li>\n<li><strong>\u7aef\u53e3\u865f<\/strong>: \u6578\u64da\u5eab\u670d\u52d9\u904b\u884c\u7684\u7aef\u53e3\uff08\u4f8b\u5982\uff0cMySQL \u9ed8\u8a8d\u70ba 3306\uff09<\/li>\n<li><strong>\u6578\u64da\u5eab\u540d\u7a31<\/strong>: \u60a8\u8981\u9023\u63a5\u7684\u5177\u9ad4\u6578\u64da\u5eab<\/li>\n<li><strong>\u7528\u6236\u540d\u548c\u5bc6\u78bc<\/strong>: \u7528\u65bc\u8eab\u4efd\u9a57\u8b49\u7684\u6191\u8b49<\/li>\n<\/ul>\n<h3 id=\"4-%e5%af%a6%e7%8f%be%e9%80%a3%e6%8e%a5-kZIBzwQYlk\">4. \u5be6\u73fe\u9023\u63a5<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 Python \u548c MySQL \u6578\u64da\u5eab\u7684\u9023\u63a5\u793a\u4f8b\uff1a<\/p>\n<pre><code>import mysql.connector\n\n# \u5efa\u7acb\u9023\u63a5\nconnection = mysql.connector.connect(\n    host=\"localhost\",\n    user=\"your_username\",\n    password=\"your_password\",\n    database=\"your_database\"\n)\n\n# \u6aa2\u67e5\u9023\u63a5\nif connection.is_connected():\n    print(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\")\nelse:\n    print(\"\u7121\u6cd5\u9023\u63a5\u5230\u6578\u64da\u5eab\")\n\n# \u95dc\u9589\u9023\u63a5\nconnection.close()\n<\/code><\/pre>\n<h3 id=\"5-%e5%9f%b7%e8%a1%8c-sql-%e6%9f%a5%e8%a9%a2-kZIBzwQYlk\">5. \u57f7\u884c SQL \u67e5\u8a62<\/h3>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u60a8\u5c31\u53ef\u4ee5\u57f7\u884c SQL \u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u57f7\u884c\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>cursor = connection.cursor()\ncursor.execute(\"SELECT * FROM your_table\")\n\n# \u7372\u53d6\u67e5\u8a62\u7d50\u679c\nresults = cursor.fetchall()\nfor row in results:\n    print(row)\n\n# \u95dc\u9589\u6e38\u6a19\ncursor.close()\n<\/code><\/pre>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c-kZIBzwQYlk\">\u5e38\u898b\u554f\u984c<\/h2>\n<h3 id=\"%e5%a6%82%e4%bd%95%e8%99%95%e7%90%86%e9%80%a3%e6%8e%a5%e9%8c%af%e8%aa%a4%ef%bc%9f-kZIBzwQYlk\">\u5982\u4f55\u8655\u7406\u9023\u63a5\u932f\u8aa4\uff1f<\/h3>\n<p>\u9023\u63a5\u932f\u8aa4\u53ef\u80fd\u7531\u591a\u7a2e\u539f\u56e0\u5f15\u8d77\uff0c\u5305\u62ec\u932f\u8aa4\u7684\u4e3b\u6a5f\u540d\u3001\u7aef\u53e3\u865f\u3001\u7528\u6236\u540d\u6216\u5bc6\u78bc\u3002\u6aa2\u67e5\u9019\u4e9b\u53c3\u6578\u662f\u5426\u6b63\u78ba\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u5eab\u670d\u52d9\u6b63\u5728\u904b\u884c\u3002<\/p>\n<h3 id=\"%e5%a6%82%e4%bd%95%e6%8f%90%e9%ab%98%e9%80%a3%e6%8e%a5%e6%80%a7%e8%83%bd%ef%bc%9f-kZIBzwQYlk\">\u5982\u4f55\u63d0\u9ad8\u9023\u63a5\u6027\u80fd\uff1f<\/h3>\n<p>\u53ef\u4ee5\u901a\u904e\u4f7f\u7528\u9023\u63a5\u6c60\u4f86\u63d0\u9ad8\u6027\u80fd\uff0c\u9019\u6a23\u53ef\u4ee5\u91cd\u7528\u73fe\u6709\u7684\u9023\u63a5\uff0c\u800c\u4e0d\u662f\u6bcf\u6b21\u90fd\u5275\u5efa\u65b0\u7684\u9023\u63a5\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kZIBzwQYlk\">\u7e3d\u7d50<\/h2>\n<p>SQL \u6578\u64da\u5eab\u7684\u806f\u6a5f\u904e\u7a0b\u6d89\u53ca\u78ba\u5b9a\u6578\u64da\u5eab\u985e\u578b\u3001\u5b89\u88dd\u9a45\u52d5\u7a0b\u5e8f\u3001\u914d\u7f6e\u9023\u63a5\u53c3\u6578\u4ee5\u53ca\u57f7\u884c SQL \u67e5\u8a62\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u6b65\u9a5f\u5f8c\uff0c\u60a8\u5c07\u80fd\u5920\u6709\u6548\u5730\u8207 SQL \u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u904b\u884c SQL \u6578\u64da\u5eab\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eSQL\u6578\u64da\u5eab\u806f\u6a5f\u7684\u6280\u5de7\u8207\u65b9\u6cd5\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u9023\u63a5\u548c\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\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-144009","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/144009","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=144009"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/144009\/revisions"}],"predecessor-version":[{"id":144010,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/144009\/revisions\/144010"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=144009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=144009"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=144009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}