{"id":172531,"date":"2024-11-07T13:54:16","date_gmt":"2024-11-07T05:54:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172531\/"},"modified":"2024-11-07T13:54:17","modified_gmt":"2024-11-07T05:54:17","slug":"%e5%a6%82%e4%bd%95%e7%b7%a8%e8%bc%af%e6%95%b8%e6%93%9a%e5%ba%ab%e5%89%8d1000%e8%a1%8c%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e7%bd%ae%e7%b7%a8%e8%bc%af%e5%89%8d1000%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172531\/","title":{"rendered":"\u5982\u4f55\u7de8\u8f2f\u6578\u64da\u5eab\u524d1000\u884c\uff1f (\u6578\u64da\u5eab\u8a2d\u7f6e\u7de8\u8f2f\u524d1000\u884c)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e7%b7%a8%e8%bc%af%e6%95%b8%e6%93%9a%e5%ba%ab%e5%89%8d1000%e8%a1%8c%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e7%bd%ae%e7%b7%a8%e8%bc%af%e5%89%8d1000%e8%a1%8c-SSfNfnMcyy\">\u5982\u4f55\u7de8\u8f2f\u6578\u64da\u5eab\u524d1000\u884c\uff1f (\u6578\u64da\u5eab\u8a2d\u7f6e\u7de8\u8f2f\u524d1000\u884c)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7de8\u8f2f\u6578\u64da\u7684\u9700\u6c42\u7d93\u5e38\u51fa\u73fe\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5c0d\u5927\u91cf\u6578\u64da\u9032\u884c\u4fee\u6539\u6216\u66f4\u65b0\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u7de8\u8f2f\u6578\u64da\u5eab\u4e2d\u7684\u524d1000\u884c\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-SSfNfnMcyy\">\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u6709\u7d44\u7e54\u7684\u6578\u64da\u96c6\u5408\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u4fe1\u606f\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u5305\u62ec MySQL\u3001PostgreSQL\u3001Oracle \u548c Microsoft SQL Server \u7b49\u3002\u9019\u4e9b\u7cfb\u7d71\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u8a9e\u8a00\uff08\u5982 SQL\uff09\u4f86\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b7%a8%e8%bc%af%e6%95%b8%e6%93%9a%e7%9a%84%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-SSfNfnMcyy\">\u7de8\u8f2f\u6578\u64da\u7684\u6e96\u5099\u5de5\u4f5c<\/h2>\n<p>\u5728\u7de8\u8f2f\u6578\u64da\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u60a8\u64c1\u6709\u9069\u7576\u7684\u6b0a\u9650\u4f86\u8a2a\u554f\u548c\u4fee\u6539\u6578\u64da\u5eab\u3002\u901a\u5e38\uff0c\u9019\u9700\u8981\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u7684\u8cec\u6236\u6216\u5177\u6709\u76f8\u61c9\u6b0a\u9650\u7684\u7528\u6236\u8cec\u6236\u3002<\/p>\n<h3 id=\"%e9%80%a3%e6%8e%a5%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab-SSfNfnMcyy\">\u9023\u63a5\u5230\u6578\u64da\u5eab<\/h3>\n<p>\u4f7f\u7528 SQL \u5ba2\u6236\u7aef\u6216\u547d\u4ee4\u884c\u5de5\u5177\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 MySQL \u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>mysql -u username -p database_name<\/code><\/pre>\n<p>\u8f38\u5165\u5bc6\u78bc\u5f8c\uff0c\u60a8\u5c07\u9032\u5165 MySQL \u63d0\u793a\u7b26\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e5%89%8d1000%e8%a1%8c%e6%95%b8%e6%93%9a-SSfNfnMcyy\">\u67e5\u8a62\u524d1000\u884c\u6578\u64da<\/h2>\n<p>\u5728\u7de8\u8f2f\u6578\u64da\u4e4b\u524d\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u67e5\u770b\u524d1000\u884c\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u7372\u53d6\u9019\u4e9b\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM table_name LIMIT 1000;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6307\u5b9a\u8868\u4e2d\u7684\u524d1000\u884c\u6578\u64da\u3002\u6839\u64da\u9700\u8981\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u9032\u884c\u6392\u5e8f\u6216\u904e\u6ffe\u3002<\/p>\n<h2 id=\"%e7%b7%a8%e8%bc%af%e6%95%b8%e6%93%9a-SSfNfnMcyy\">\u7de8\u8f2f\u6578\u64da<\/h2>\n<p>\u7de8\u8f2f\u6578\u64da\u7684\u65b9\u5f0f\u53d6\u6c7a\u65bc\u60a8\u8981\u9032\u884c\u7684\u5177\u9ad4\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u7de8\u8f2f\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-SSfNfnMcyy\">\u66f4\u65b0\u6578\u64da<\/h3>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u65b0\u67d0\u4e9b\u884c\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 UPDATE \u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u7279\u5b9a\u884c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE table_name SET column_name = 'new_value' WHERE condition LIMIT 1000;<\/code><\/pre>\n<p>\u8acb\u6ce8\u610f\uff0cLIMIT \u5b50\u53e5\u5728\u67d0\u4e9b\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u4e0d\u88ab\u652f\u6301\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u6642\u9700\u8b39\u614e\u3002<\/p>\n<h3 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-SSfNfnMcyy\">\u522a\u9664\u6578\u64da<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u524d1000\u884c\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 DELETE \u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM table_name WHERE condition LIMIT 1000;<\/code><\/pre>\n<p>\u540c\u6a23\uff0c\u4f7f\u7528 LIMIT \u5b50\u53e5\u6642\u9700\u78ba\u8a8d\u5176\u5728\u60a8\u6240\u4f7f\u7528\u7684\u6578\u64da\u5eab\u4e2d\u7684\u652f\u6301\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-SSfNfnMcyy\">\u63d2\u5165\u6578\u64da<\/h3>\n<p>\u5982\u679c\u60a8\u9700\u8981\u5728\u8868\u4e2d\u63d2\u5165\u65b0\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 INSERT \u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO table_name (column1, column2) VALUES (value1, value2);<\/code><\/pre>\n<p>\u9019\u5c07\u5728\u8868\u4e2d\u63d2\u5165\u4e00\u884c\u65b0\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-SSfNfnMcyy\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u9032\u884c\u4efb\u4f55\u7de8\u8f2f\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u5728\u57f7\u884c UPDATE \u6216 DELETE \u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u5c0f\u5fc3\uff0c\u4ee5\u514d\u5f71\u97ff\u5230\u4e0d\u61c9\u8a72\u4fee\u6539\u7684\u6578\u64da\u3002<\/li>\n<li>\u4f7f\u7528\u4e8b\u52d9\uff08transaction\uff09\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u591a\u500b\u64cd\u4f5c\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SSfNfnMcyy\">\u7e3d\u7d50<\/h2>\n<p>\u7de8\u8f2f\u6578\u64da\u5eab\u4e2d\u7684\u524d1000\u884c\u6578\u64da\u662f\u4e00\u9805\u5e38\u898b\u7684\u4efb\u52d9\uff0c\u7121\u8ad6\u662f\u66f4\u65b0\u3001\u522a\u9664\u9084\u662f\u63d2\u5165\u6578\u64da\uff0c\u90fd\u9700\u8981\u8b39\u614e\u64cd\u4f5c\u3002\u901a\u904e\u4f7f\u7528\u9069\u7576\u7684 SQL \u8a9e\u53e5\u548c\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u7de8\u8f2f\u6578\u64da\u5eab\u7684\u524d1000\u884c\uff0c\u638c\u63e1\u6578\u64da\u5eab\u8a2d\u7f6e\u548c\u64cd\u4f5c\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\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-172531","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172531","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=172531"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172531\/revisions"}],"predecessor-version":[{"id":172532,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172531\/revisions\/172532"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}