{"id":179236,"date":"2024-11-09T00:08:17","date_gmt":"2024-11-08T16:08:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179236\/"},"modified":"2024-11-09T00:08:18","modified_gmt":"2024-11-08T16:08:18","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e4%bb%a4%e8%a1%8c%ef%bc%9f-%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bd%bf%e7%94%a8%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179236\/","title":{"rendered":"\u5982\u4f55\u4fee\u6539\u6578\u64da\u5eab\u547d\u4ee4\u884c\uff1f (\u4fee\u6539\u6578\u64da\u5eab\u4f7f\u7528\u7684\u547d\u4ee4\u884c)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e4%bb%a4%e8%a1%8c%ef%bc%9f-%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bd%bf%e7%94%a8%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c-SqZSTsUHcB\">\u5982\u4f55\u4fee\u6539\u6578\u64da\u5eab\u547d\u4ee4\u884c\uff1f (\u4fee\u6539\u6578\u64da\u5eab\u4f7f\u7528\u7684\u547d\u4ee4\u884c)<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u958b\u767c\u8005\u9084\u662f\u7cfb\u7d71\u7ba1\u7406\u54e1\uff0c\u638c\u63e1\u5982\u4f55\u901a\u904e\u547d\u4ee4\u884c\u4fee\u6539\u6578\u64da\u5eab\u90fd\u662f\u4e00\u9805\u57fa\u672c\u6280\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u4f7f\u7528\u547d\u4ee4\u884c\u9032\u884c\u4fee\u6539\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8%e5%91%bd%e4%bb%a4%e8%a1%8c%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-SqZSTsUHcB\">\u70ba\u4ec0\u9ebc\u4f7f\u7528\u547d\u4ee4\u884c\u4fee\u6539\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u4f7f\u7528\u547d\u4ee4\u884c\u754c\u9762\uff08CLI\uff09\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u6548\u7387\u9ad8\uff1a<\/strong>\u547d\u4ee4\u884c\u64cd\u4f5c\u901a\u5e38\u6bd4\u5716\u5f62\u754c\u9762\u66f4\u5feb\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<li><strong>\u81ea\u52d5\u5316\uff1a<\/strong>\u53ef\u4ee5\u8f15\u9b06\u7de8\u5beb\u8173\u672c\u4f86\u81ea\u52d5\u5316\u91cd\u8907\u6027\u4efb\u52d9\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u547d\u4ee4\u884c\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u9748\u6d3b\u6027\uff0c\u5141\u8a31\u7528\u6236\u57f7\u884c\u8907\u96dc\u7684\u67e5\u8a62\u548c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b3%bb%e7%b5%b1%e7%9a%84%e5%91%bd%e4%bb%a4%e8%a1%8c%e6%93%8d%e4%bd%9c-SqZSTsUHcB\">\u5e38\u898b\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u547d\u4ee4\u884c\u64cd\u4f5c<\/h2>\n<h3 id=\"1-mysql-SqZSTsUHcB\">1. MySQL<\/h3>\n<p>\u5728MySQL\u4e2d\uff0c\u4f7f\u7528\u547d\u4ee4\u884c\u4fee\u6539\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>mysql -u username -p\n<\/code><\/pre>\n<p>\u8f38\u5165\u5bc6\u78bc\u5f8c\uff0c\u60a8\u5c07\u9032\u5165MySQL\u547d\u4ee4\u884c\u754c\u9762\u3002\u8981\u4fee\u6539\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>UPDATE table_name SET column1 = value1, column2 = value2 WHERE condition;\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\uff0c\u4e26\u5e0c\u671b\u66f4\u65b0\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff1a<\/p>\n<pre><code>UPDATE users SET email = 'newemail@example.com' WHERE id = 1;\n<\/code><\/pre>\n<h3 id=\"2-postgresql-SqZSTsUHcB\">2. PostgreSQL<\/h3>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528psql\u547d\u4ee4\u884c\u5de5\u5177\u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\uff1a<\/p>\n<pre><code>psql -U username -d database_name\n<\/code><\/pre>\n<p>\u9032\u5165psql\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u985e\u4f3c\u7684UPDATE\u8a9e\u53e5\u4f86\u4fee\u6539\u6578\u64da\uff1a<\/p>\n<pre><code>UPDATE table_name SET column1 = value1 WHERE condition;\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>UPDATE employees SET salary = 50000 WHERE id = 2;\n<\/code><\/pre>\n<h3 id=\"3-sqlite-SqZSTsUHcB\">3. SQLite<\/h3>\n<p>SQLite\u7684\u547d\u4ee4\u884c\u5de5\u5177\u4e5f\u975e\u5e38\u7c21\u55ae\u6613\u7528\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u6253\u958bSQLite\u547d\u4ee4\u884c\u754c\u9762\uff1a<\/p>\n<pre><code>sqlite3 database_name.db\n<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528UPDATE\u8a9e\u53e5\u9032\u884c\u6578\u64da\u4fee\u6539\uff1a<\/p>\n<pre><code>UPDATE table_name SET column1 = value1 WHERE condition;\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>UPDATE products SET price = 19.99 WHERE id = 3;\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-SqZSTsUHcB\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528\u547d\u4ee4\u884c\u4fee\u6539\u6578\u64da\u5eab\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u7279\u5225\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li><strong>\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u9032\u884c\u4efb\u4f55\u4fee\u6539\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u67e5\u8a62\uff1a<\/strong>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u57f7\u884cUPDATE\u8a9e\u53e5\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u9a57\u8b49\u67e5\u8a62\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e8b\u52d9\uff1a<\/strong>\u5728\u9032\u884c\u591a\u500b\u4fee\u6539\u64cd\u4f5c\u6642\uff0c\u4f7f\u7528\u4e8b\u52d9\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SqZSTsUHcB\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u547d\u4ee4\u884c\u4fee\u6539\u6578\u64da\u5eab\u662f\u4e00\u9805\u91cd\u8981\u7684\u6280\u80fd\uff0c\u7121\u8ad6\u662f\u5c0d\u65bc\u958b\u767c\u8005\u9084\u662f\u7cfb\u7d71\u7ba1\u7406\u54e1\u4f86\u8aaa\u3002\u638c\u63e1MySQL\u3001PostgreSQL\u548cSQLite\u7b49\u5e38\u898b\u6578\u64da\u5eab\u7684\u547d\u4ee4\u884c\u64cd\u4f5c\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u4e26\u589e\u5f37\u6578\u64da\u7ba1\u7406\u7684\u9748\u6d3b\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u6539\u6578\u64da\u5eab\u7684\u547d\u4ee4\u884c\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\uff0c\u5be6\u73fe\u66f4\u9748\u6d3b\u7684\u6578\u64da\u5eab\u7ba1\u7406\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-179236","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179236","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=179236"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179236\/revisions"}],"predecessor-version":[{"id":179237,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179236\/revisions\/179237"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}