{"id":168539,"date":"2024-11-06T13:13:23","date_gmt":"2024-11-06T05:13:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168539\/"},"modified":"2024-11-06T13:13:24","modified_gmt":"2024-11-06T05:13:24","slug":"sql-%e4%b8%ad%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e8%a2%ab%e6%b3%a8%e5%85%a5%e7%9a%84%e6%83%a1%e6%84%8f%e4%bb%a3%e7%a2%bc%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168539\/","title":{"rendered":"SQL \u4e2d\u6279\u91cf\u522a\u9664\u88ab\u6ce8\u5165\u7684\u60e1\u610f\u4ee3\u78bc\u7684\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"sql-%e4%b8%ad%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e8%a2%ab%e6%b3%a8%e5%85%a5%e7%9a%84%e6%83%a1%e6%84%8f%e4%bb%a3%e7%a2%bc%e7%9a%84%e6%96%b9%e6%b3%95-oPLhDzjeFy\">SQL \u4e2d\u6279\u91cf\u522a\u9664\u88ab\u6ce8\u5165\u7684\u60e1\u610f\u4ee3\u78bc\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u7db2\u7ad9\u5b89\u5168\u6027\u6210\u70ba\u4e86\u6bcf\u500b\u4f01\u696d\u548c\u958b\u767c\u8005\u5fc5\u9808\u91cd\u8996\u7684\u8ab2\u984c\u3002SQL \u6ce8\u5165\u653b\u64ca\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u901a\u904e\u9019\u7a2e\u65b9\u5f0f\u5728\u6578\u64da\u5eab\u4e2d\u57f7\u884c\u60e1\u610f\u4ee3\u78bc\uff0c\u5f9e\u800c\u7aca\u53d6\u6216\u7834\u58de\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 SQL \u4e2d\u6279\u91cf\u522a\u9664\u88ab\u6ce8\u5165\u7684\u60e1\u610f\u4ee3\u78bc\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-sql-%e6%b3%a8%e5%85%a5%ef%bc%9f-oPLhDzjeFy\">\u4ec0\u9ebc\u662f SQL \u6ce8\u5165\uff1f<\/h2>\n<p>SQL \u6ce8\u5165\u662f\u4e00\u7a2e\u7db2\u7d61\u653b\u64ca\u6280\u8853\uff0c\u653b\u64ca\u8005\u901a\u904e\u5728 SQL \u67e5\u8a62\u4e2d\u63d2\u5165\u60e1\u610f\u4ee3\u78bc\uff0c\u4f86\u64cd\u63a7\u6578\u64da\u5eab\u3002\u9019\u7a2e\u653b\u64ca\u901a\u5e38\u767c\u751f\u5728\u61c9\u7528\u7a0b\u5e8f\u672a\u5c0d\u7528\u6236\u8f38\u5165\u9032\u884c\u9069\u7576\u7684\u9a57\u8b49\u548c\u904e\u6ffe\u6642\u3002\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528\u9019\u4e00\u6f0f\u6d1e\u4f86\u57f7\u884c\u672a\u7d93\u6388\u6b0a\u7684 SQL \u67e5\u8a62\uff0c\u5f9e\u800c\u8a2a\u554f\u3001\u4fee\u6539\u6216\u522a\u9664\u6578\u64da\u3002<\/p>\n<h2 id=\"%e8%ad%98%e5%88%a5%e8%a2%ab%e6%b3%a8%e5%85%a5%e7%9a%84%e6%83%a1%e6%84%8f%e4%bb%a3%e7%a2%bc-oPLhDzjeFy\">\u8b58\u5225\u88ab\u6ce8\u5165\u7684\u60e1\u610f\u4ee3\u78bc<\/h2>\n<p>\u5728\u9032\u884c\u6279\u91cf\u522a\u9664\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8b58\u5225\u51fa\u54ea\u4e9b\u6578\u64da\u662f\u88ab\u6ce8\u5165\u7684\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li><strong>\u65e5\u8a8c\u5206\u6790\uff1a<\/strong>\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u67e5\u8a62\u65e5\u8a8c\uff0c\u5c0b\u627e\u7570\u5e38\u7684 SQL \u67e5\u8a62\u6a21\u5f0f\u3002<\/li>\n<li><strong>\u6578\u64da\u5b8c\u6574\u6027\u6aa2\u67e5\uff1a<\/strong>\u5c0d\u6bd4\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u8207\u9810\u671f\u7684\u6578\u64da\uff0c\u5c0b\u627e\u4e0d\u4e00\u81f4\u4e4b\u8655\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5b89\u5168\u5de5\u5177\uff1a<\/strong>\u5229\u7528\u5c08\u696d\u7684\u5b89\u5168\u6383\u63cf\u5de5\u5177\u4f86\u6aa2\u6e2c SQL \u6ce8\u5165\u6f0f\u6d1e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%83%a1%e6%84%8f%e4%bb%a3%e7%a2%bc%e7%9a%84%e6%96%b9%e6%b3%95-oPLhDzjeFy\">\u6279\u91cf\u522a\u9664\u60e1\u610f\u4ee3\u78bc\u7684\u65b9\u6cd5<\/h2>\n<p>\u4e00\u65e6\u8b58\u5225\u51fa\u88ab\u6ce8\u5165\u7684\u60e1\u610f\u4ee3\u78bc\uff0c\u63a5\u4e0b\u4f86\u7684\u6b65\u9a5f\u662f\u6279\u91cf\u522a\u9664\u9019\u4e9b\u4ee3\u78bc\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-delete-%e8%aa%9e%e5%8f%a5-oPLhDzjeFy\">1. \u4f7f\u7528 DELETE \u8a9e\u53e5<\/h3>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 SQL \u7684 DELETE \u8a9e\u53e5\u4f86\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u767c\u73fe\u67d0\u500b\u8868\u4e2d\u7684\u67d0\u4e9b\u884c\u5305\u542b\u60e1\u610f\u4ee3\u78bc\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>DELETE FROM your_table WHERE condition;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>your_table<\/code> \u662f\u4f60\u8981\u64cd\u4f5c\u7684\u8868\u540d\uff0c<code>condition<\/code> \u662f\u7528\u4f86\u8b58\u5225\u60e1\u610f\u4ee3\u78bc\u7684\u689d\u4ef6\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-truncate-%e8%aa%9e%e5%8f%a5-oPLhDzjeFy\">2. \u4f7f\u7528 TRUNCATE \u8a9e\u53e5<\/h3>\n<p>\u5982\u679c\u6574\u500b\u8868\u90fd\u88ab\u6ce8\u5165\u4e86\u60e1\u610f\u4ee3\u78bc\uff0c\u4e26\u4e14\u4e0d\u9700\u8981\u4fdd\u7559\u4efb\u4f55\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 TRUNCATE \u8a9e\u53e5\u4f86\u5feb\u901f\u6e05\u7a7a\u8868\uff1a<\/p>\n<pre><code>TRUNCATE TABLE your_table;<\/code><\/pre>\n<p>\u9019\u5c07\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u4f46\u4e0d\u6703\u522a\u9664\u8868\u7d50\u69cb\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%ad%a3%e5%89%87%e8%a1%a8%e9%81%94%e5%bc%8f-oPLhDzjeFy\">3. \u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u66f4\u7cbe\u7d30\u7684\u63a7\u5236\u4f86\u522a\u9664\u7279\u5b9a\u7684\u60e1\u610f\u4ee3\u78bc\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u5339\u914d\u548c\u522a\u9664\u7279\u5b9a\u6a21\u5f0f\u7684\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DELETE FROM your_table WHERE your_column REGEXP 'malicious_pattern';<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u91dd\u5c0d\u7279\u5b9a\u7684\u60e1\u610f\u4ee3\u78bc\u9032\u884c\u522a\u9664\u3002<\/p>\n<h2 id=\"%e9%98%b2%e7%af%84-sql-%e6%b3%a8%e5%85%a5%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-oPLhDzjeFy\">\u9632\u7bc4 SQL \u6ce8\u5165\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u9664\u4e86\u522a\u9664\u5df2\u7d93\u88ab\u6ce8\u5165\u7684\u60e1\u610f\u4ee3\u78bc\uff0c\u9810\u9632 SQL \u6ce8\u5165\u540c\u6a23\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\uff1a<\/strong>\u9019\u53ef\u4ee5\u6709\u6548\u9632\u6b62 SQL \u6ce8\u5165\u653b\u64ca\u3002<\/li>\n<li><strong>\u5b9a\u671f\u66f4\u65b0\u548c\u4fee\u88dc\uff1a<\/strong>\u4fdd\u6301\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u6700\u65b0\u72c0\u614b\uff0c\u4ee5\u9632\u6b62\u5df2\u77e5\u6f0f\u6d1e\u3002<\/li>\n<li><strong>\u5be6\u65bd\u6700\u5c0f\u6b0a\u9650\u539f\u5247\uff1a<\/strong>\u78ba\u4fdd\u6578\u64da\u5eab\u7528\u6236\u50c5\u64c1\u6709\u57f7\u884c\u5176\u4efb\u52d9\u6240\u9700\u7684\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oPLhDzjeFy\">\u7e3d\u7d50<\/h2>\n<p>SQL \u6ce8\u5165\u662f\u4e00\u7a2e\u56b4\u91cd\u7684\u5b89\u5168\u5a01\u8105\uff0c\u53ca\u6642\u8b58\u5225\u548c\u522a\u9664\u88ab\u6ce8\u5165\u7684\u60e1\u610f\u4ee3\u78bc\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528 DELETE\u3001TRUNCATE \u548c\u6b63\u5247\u8868\u9054\u5f0f\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e05\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002\u6b64\u5916\uff0c\u5be6\u65bd\u6700\u4f73\u5b89\u5168\u5be6\u8e10\u53ef\u4ee5\u5e6b\u52a9\u9632\u6b62\u672a\u4f86\u7684\u653b\u64ca\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u3001\u5b89\u5168\u7684\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5728 SQL \u4e2d\u6279\u91cf\u522a\u9664\u88ab\u6ce8\u5165\u7684\u60e1\u610f\u4ee3\u78bc\u7684\u65b9\u6cd5\uff0c\u4fdd\u8b77\u6578\u64da\u5b89\u5168\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\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-168539","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168539","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=168539"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168539\/revisions"}],"predecessor-version":[{"id":168540,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168539\/revisions\/168540"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}