{"id":171915,"date":"2024-11-07T08:44:16","date_gmt":"2024-11-07T00:44:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171915\/"},"modified":"2024-11-07T08:44:16","modified_gmt":"2024-11-07T00:44:16","slug":"%e8%bc%95%e9%ac%86%e6%8e%8c%e6%8f%a1%ef%bc%81%e5%ad%b8%e6%9c%83%e6%9f%a5%e7%9c%8bsql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%96%b9%e6%b3%95-%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8bsql%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171915\/","title":{"rendered":"\u8f15\u9b06\u638c\u63e1\uff01\u5b78\u6703\u67e5\u770bSQL\u6578\u64da\u5eab\u7684\u65b9\u6cd5 (\u5982\u4f55\u67e5\u770bsql\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e8%bc%95%e9%ac%86%e6%8e%8c%e6%8f%a1%ef%bc%81%e5%ad%b8%e6%9c%83%e6%9f%a5%e7%9c%8bsql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%96%b9%e6%b3%95-FbZPbvSzER\">\u8f15\u9b06\u638c\u63e1\uff01\u5b78\u6703\u67e5\u770bSQL\u6578\u64da\u5eab\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u5eab\u7684\u4e3b\u8981\u5de5\u5177\u4e4b\u4e00\u3002\u7121\u8ad6\u662f\u958b\u767c\u8005\u3001\u6578\u64da\u5206\u6790\u5e2b\u9084\u662f\u7cfb\u7d71\u7ba1\u7406\u54e1\uff0c\u638c\u63e1\u5982\u4f55\u67e5\u770bSQL\u6578\u64da\u5eab\u90fd\u662f\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u67e5\u770bSQL\u6578\u64da\u5eab\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u638c\u63e1\u9019\u9805\u6280\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsql%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-FbZPbvSzER\">\u4ec0\u9ebc\u662fSQL\u6578\u64da\u5eab\uff1f<\/h2>\n<p>SQL\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u4f7f\u7528SQL\u8a9e\u8a00\u4f86\u7ba1\u7406\u6578\u64da\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u5b83\u53ef\u4ee5\u5b58\u5132\u7d50\u69cb\u5316\u6578\u64da\uff0c\u4e26\u5141\u8a31\u7528\u6236\u901a\u904e\u67e5\u8a62\u4f86\u6aa2\u7d22\u548c\u64cd\u4f5c\u9019\u4e9b\u6578\u64da\u3002\u5e38\u898b\u7684SQL\u6578\u64da\u5eab\u7cfb\u7d71\u5305\u62ecMySQL\u3001PostgreSQL\u3001Microsoft SQL Server\u548cSQLite\u7b49\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8bsql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-FbZPbvSzER\">\u67e5\u770bSQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u67e5\u770bSQL\u6578\u64da\u5eab\u7684\u65b9\u5f0f\u6709\u5f88\u591a\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8sql%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7-FbZPbvSzER\">1. \u4f7f\u7528SQL\u547d\u4ee4\u884c\u5de5\u5177<\/h3>\n<p>\u5927\u591a\u6578SQL\u6578\u64da\u5eab\u90fd\u63d0\u4f9b\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u76f4\u63a5\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528MySQL\u547d\u4ee4\u884c\u5de5\u5177\u67e5\u770b\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>mysql -u username -p\n<\/code><\/pre>\n<p>\u8f38\u5165\u4e0a\u8ff0\u547d\u4ee4\u5f8c\uff0c\u7cfb\u7d71\u6703\u63d0\u793a\u60a8\u8f38\u5165\u5bc6\u78bc\u3002\u6210\u529f\u767b\u9304\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u6240\u6709\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>SHOW DATABASES;\n<\/code><\/pre>\n<p>\u8981\u67e5\u770b\u7279\u5b9a\u6578\u64da\u5eab\u4e2d\u7684\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>USE database_name;\nSHOW TABLES;\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%9c%96%e5%bd%a2%e5%8c%96%e7%95%8c%e9%9d%a2%e5%b7%a5%e5%85%b7-FbZPbvSzER\">2. \u4f7f\u7528\u5716\u5f62\u5316\u754c\u9762\u5de5\u5177<\/h3>\n<p>\u5c0d\u65bc\u4e0d\u719f\u6089\u547d\u4ee4\u884c\u7684\u7528\u6236\uff0c\u5716\u5f62\u5316\u754c\u9762\u5de5\u5177\uff08\u5982phpMyAdmin\u3001DBeaver\u6216HeidiSQL\uff09\u63d0\u4f9b\u4e86\u66f4\u76f4\u89c0\u7684\u65b9\u5f0f\u4f86\u67e5\u770b\u548c\u7ba1\u7406\u6578\u64da\u5eab\u3002\u4ee5phpMyAdmin\u70ba\u4f8b\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u700f\u89bd\u5668\u8a2a\u554f\u5b83\uff0c\u7136\u5f8c\u9078\u64c7\u8981\u67e5\u770b\u7684\u6578\u64da\u5eab\uff0c\u7cfb\u7d71\u6703\u986f\u793a\u6240\u6709\u8868\u53ca\u5176\u7d50\u69cb\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e7%b7%a8%e7%a8%8b%e8%aa%9e%e8%a8%80%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab-FbZPbvSzER\">3. \u4f7f\u7528\u7de8\u7a0b\u8a9e\u8a00\u67e5\u8a62\u6578\u64da\u5eab<\/h3>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u958b\u767c\u61c9\u7528\u7a0b\u5e8f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7de8\u7a0b\u8a9e\u8a00\uff08\u5982Python\u3001Java\u6216PHP\uff09\u4f86\u67e5\u8a62\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Python\u548cMySQL Connector\u67e5\u770b\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import mysql.connector\n\n# \u9023\u63a5\u5230\u6578\u64da\u5eab\nconn = mysql.connector.connect(\n    host=\"localhost\",\n    user=\"username\",\n    password=\"password\"\n)\n\ncursor = conn.cursor()\n\n# \u67e5\u770b\u6240\u6709\u6578\u64da\u5eab\ncursor.execute(\"SHOW DATABASES\")\nfor db in cursor:\n    print(db)\n\n# \u95dc\u9589\u9023\u63a5\ncursor.close()\nconn.close()\n<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-FbZPbvSzER\">\u67e5\u770b\u6578\u64da\u5eab\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u67e5\u770bSQL\u6578\u64da\u5eab\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li><strong>\u6b0a\u9650\u7ba1\u7406\uff1a<\/strong>\u78ba\u4fdd\u60a8\u64c1\u6709\u67e5\u770b\u6578\u64da\u5eab\u7684\u9069\u7576\u6b0a\u9650\uff0c\u5426\u5247\u53ef\u80fd\u7121\u6cd5\u8a2a\u554f\u67d0\u4e9b\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u64da\u5b89\u5168\uff1a<\/strong>\u5728\u67e5\u8a62\u548c\u64cd\u4f5c\u6578\u64da\u6642\uff0c\u8acb\u9075\u5faa\u6578\u64da\u5b89\u5168\u6700\u4f73\u5be6\u8e10\uff0c\u907f\u514d\u6d29\u9732\u654f\u611f\u4fe1\u606f\u3002<\/li>\n<li><strong>\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u9032\u884c\u4efb\u4f55\u91cd\u5927\u66f4\u6539\u4e4b\u524d\uff0c\u5efa\u8b70\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FbZPbvSzER\">\u7e3d\u7d50<\/h2>\n<p>\u5b78\u6703\u67e5\u770bSQL\u6578\u64da\u5eab\u7684\u65b9\u6cd5\u5c0d\u65bc\u4efb\u4f55\u6d89\u53ca\u6578\u64da\u7ba1\u7406\u7684\u5c08\u696d\u4eba\u58eb\u4f86\u8aaa\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u3001\u5716\u5f62\u5316\u754c\u9762\u9084\u662f\u7de8\u7a0b\u8a9e\u8a00\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u80fd\u90fd\u80fd\u63d0\u9ad8\u60a8\u7684\u5de5\u4f5c\u6548\u7387\u3002\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u6258\u7ba1\u670d\u52d9\uff0c\u53ef\u4ee5\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f15\u9b06\u638c\u63e1\u67e5\u770bSQL\u6578\u64da\u5eab\u7684\u65b9\u6cd5\uff0c\u5b78\u6703\u6709\u6548\u67e5\u8a62\u548c\u7ba1\u7406\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5206\u6790\u6280\u80fd\uff0c\u8b93\u4f60\u4e8b\u534a\u529f\u500d\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-171915","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171915","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=171915"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171915\/revisions"}],"predecessor-version":[{"id":171916,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171915\/revisions\/171916"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}