{"id":76276,"date":"2024-10-16T05:19:15","date_gmt":"2024-10-15T21:19:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76276\/"},"modified":"2024-10-16T05:19:15","modified_gmt":"2024-10-15T21:19:15","slug":"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8truncate-table-table%e5%be%9e%e4%b8%80%e5%80%8b%e8%a1%a8%e4%b8%ad%e5%88%aa%e9%99%a4%e6%89%80%e6%9c%89%e8%a8%98%e9%8c%84%ef%bc%8c%e4%bd%86%e4%b8%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76276\/","title":{"rendered":"MySQL\u5165\u9580\uff1a\u4f7f\u7528TRUNCATE TABLE table\u5f9e\u4e00\u500b\u8868\u4e2d\u522a\u9664\u6240\u6709\u8a18\u9304\uff0c\u4f46\u4e0d\u522a\u9664\u8868\u7d50\u69cb\u3002"},"content":{"rendered":"<h1 id=\"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8truncate-table%e5%be%9e%e4%b8%80%e5%80%8b%e8%a1%a8%e4%b8%ad%e5%88%aa%e9%99%a4%e6%89%80%e6%9c%89%e8%a8%98%e9%8c%84%ef%bc%8c%e4%bd%86%e4%b8%8d%e5%88%aa-bVVWfgTOlf\">MySQL\u5165\u9580\uff1a\u4f7f\u7528TRUNCATE TABLE\u5f9e\u4e00\u500b\u8868\u4e2d\u522a\u9664\u6240\u6709\u8a18\u9304\uff0c\u4f46\u4e0d\u522a\u9664\u8868\u7d50\u69cb<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u7576\u6211\u5011\u9700\u8981\u6e05\u7a7a\u4e00\u500b\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u6642\uff0c\u901a\u5e38\u6703\u8003\u616e\u4f7f\u7528 <code>TRUNCATE TABLE<\/code> \u8a9e\u53e5\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e <code>TRUNCATE TABLE<\/code> \u7684\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u7279\u9ede\uff0c\u4e26\u8207\u5176\u4ed6\u522a\u9664\u6578\u64da\u7684\u65b9\u6cd5\u9032\u884c\u6bd4\u8f03\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aftruncate-table%ef%bc%9f-bVVWfgTOlf\">\u4ec0\u9ebc\u662fTRUNCATE TABLE\uff1f<\/h2>\n<p><code>TRUNCATE TABLE<\/code> \u662f\u4e00\u500bSQL\u8a9e\u53e5\uff0c\u7528\u65bc\u5feb\u901f\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u800c\u4e0d\u6703\u522a\u9664\u8868\u7684\u7d50\u69cb\u3002\u9019\u610f\u5473\u8457\u8868\u7684\u5b9a\u7fa9\uff08\u5982\u5217\u540d\u3001\u6578\u64da\u985e\u578b\u7b49\uff09\u4ecd\u7136\u4fdd\u7559\uff0c\u60a8\u53ef\u4ee5\u96a8\u6642\u5411\u8a72\u8868\u4e2d\u63d2\u5165\u65b0\u6578\u64da\u3002<\/p>\n<h2 id=\"truncate-table%e7%9a%84%e8%aa%9e%e6%b3%95-bVVWfgTOlf\">TRUNCATE TABLE\u7684\u8a9e\u6cd5<\/h2>\n<pre><code>TRUNCATE TABLE table_name;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>table_name<\/code> \u662f\u60a8\u5e0c\u671b\u6e05\u7a7a\u7684\u8868\u7684\u540d\u7a31\u3002\u4f7f\u7528\u6b64\u8a9e\u53e5\u5f8c\uff0c\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u5c07\u88ab\u522a\u9664\uff0c\u4e26\u4e14\u7121\u6cd5\u6062\u5fa9\u3002<\/p>\n<h2 id=\"truncate-table%e7%9a%84%e7%89%b9%e9%bb%9e-bVVWfgTOlf\">TRUNCATE TABLE\u7684\u7279\u9ede<\/h2>\n<ul>\n<li><strong>\u901f\u5ea6\u5feb\uff1a<\/strong>\u8207 <code>DELETE<\/code> \u8a9e\u53e5\u76f8\u6bd4\uff0c<code>TRUNCATE TABLE<\/code> \u66f4\u5feb\uff0c\u56e0\u70ba\u5b83\u4e0d\u6703\u9010\u884c\u522a\u9664\u6578\u64da\uff0c\u800c\u662f\u76f4\u63a5\u91cb\u653e\u6574\u500b\u6578\u64da\u9801\u3002<\/li>\n<li><strong>\u4e0d\u89f8\u767c\u89f8\u767c\u5668\uff1a<\/strong>\u4f7f\u7528 <code>TRUNCATE TABLE<\/code> \u4e0d\u6703\u89f8\u767c\u4efb\u4f55\u522a\u9664\u89f8\u767c\u5668\uff0c\u9019\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u53ef\u80fd\u662f\u6709\u5229\u7684\u3002<\/li>\n<li><strong>\u91cd\u7f6e\u81ea\u589e\u8a08\u6578\u5668\uff1a<\/strong>\u5982\u679c\u8868\u4e2d\u6709\u81ea\u589e\u5217\uff0c\u4f7f\u7528 <code>TRUNCATE TABLE<\/code> \u5c07\u91cd\u7f6e\u8a72\u8a08\u6578\u5668\uff0c\u9019\u610f\u5473\u8457\u4e0b\u6b21\u63d2\u5165\u6578\u64da\u6642\uff0c\u81ea\u589e\u503c\u5c07\u5f9e\u521d\u59cb\u503c\u958b\u59cb\u3002<\/li>\n<\/ul>\n<h2 id=\"truncate-table%e8%88%87delete%e7%9a%84%e6%af%94%e8%bc%83-bVVWfgTOlf\">TRUNCATE TABLE\u8207DELETE\u7684\u6bd4\u8f03<\/h2>\n<p>\u96d6\u7136 <code>TRUNCATE TABLE<\/code> \u548c <code>DELETE<\/code> \u90fd\u53ef\u4ee5\u7528\u4f86\u522a\u9664\u6578\u64da\uff0c\u4f46\u5b83\u5011\u4e4b\u9593\u6709\u5e7e\u500b\u91cd\u8981\u7684\u5340\u5225\uff1a<\/p>\n<ul>\n<li><strong>\u522a\u9664\u65b9\u5f0f\uff1a<\/strong> <code>DELETE<\/code> \u662f\u9010\u884c\u522a\u9664\uff0c\u800c <code>TRUNCATE TABLE<\/code> \u662f\u4e00\u6b21\u6027\u522a\u9664\u6240\u6709\u884c\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong> <code>TRUNCATE TABLE<\/code> \u901a\u5e38\u6bd4 <code>DELETE<\/code> \u66f4\u5feb\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/li>\n<li><strong>\u4e8b\u52d9\u652f\u6301\uff1a<\/strong> <code>DELETE<\/code> \u53ef\u4ee5\u5728\u4e8b\u52d9\u4e2d\u4f7f\u7528\uff0c\u5141\u8a31\u56de\u6efe\u64cd\u4f5c\uff0c\u800c <code>TRUNCATE TABLE<\/code> \u4e0d\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8truncate-table%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-bVVWfgTOlf\">\u4f7f\u7528TRUNCATE TABLE\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 <code>TRUNCATE TABLE<\/code> \u6642\uff0c\u60a8\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u4e00\u65e6\u57f7\u884c\uff0c\u6578\u64da\u5c07\u7121\u6cd5\u6062\u5fa9\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u6b64\u64cd\u4f5c\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u60a8\u4e0d\u518d\u9700\u8981\u9019\u4e9b\u6578\u64da\u3002<\/li>\n<li>\u5982\u679c\u8868\u4e2d\u6709\u5916\u9375\u7d04\u675f\uff0c\u5247\u7121\u6cd5\u4f7f\u7528 <code>TRUNCATE TABLE<\/code>\uff0c\u60a8\u9700\u8981\u5148\u522a\u9664\u5916\u9375\u7d04\u675f\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u8003\u616e\u4f7f\u7528 <code>DELETE<\/code> \u4f86\u4fdd\u7559\u89f8\u767c\u5668\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-bVVWfgTOlf\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c<code>TRUNCATE TABLE<\/code> \u662f\u4e00\u500b\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u6e05\u7a7a\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\uff0c\u800c\u4e0d\u5f71\u97ff\u8868\u7684\u7d50\u69cb\u3002\u5b83\u5728\u6027\u80fd\u4e0a\u512a\u65bc <code>DELETE<\/code>\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u9700\u8981\u8b39\u614e\uff0c\u4ee5\u907f\u514d\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002\u5c0d\u65bc\u9700\u8981\u5feb\u901f\u6e05\u7a7a\u6578\u64da\u7684\u60c5\u6cc1\uff0c<code>TRUNCATE TABLE<\/code> \u662f\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TRUNCATE TABLE\u547d\u4ee4\u5728MySQL\u4e2d\u522a\u9664\u8868\u4e2d\u6240\u6709\u8a18\u9304\uff0c\u800c\u4e0d\u5f71\u97ff\u8868\u7684\u7d50\u69cb\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-76276","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76276","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=76276"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76276\/revisions"}],"predecessor-version":[{"id":76277,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76276\/revisions\/76277"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}