{"id":5675,"date":"2024-11-14T13:34:44","date_gmt":"2024-11-14T05:34:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5675\/"},"modified":"2024-11-14T13:34:44","modified_gmt":"2024-11-14T05:34:44","slug":"sql%e6%80%8e%e4%b9%88%e6%b8%85%e9%99%a4%e8%a1%a8%e9%87%8c%e7%9a%84%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5675\/","title":{"rendered":"sql\u600e\u4e48\u6e05\u9664\u8868\u91cc\u7684\u6570\u636e"},"content":{"rendered":"

\n \u4f7f\u7528 truncate table \u6765\u6e05\u9664 sql \u8868\u4e2d\u7684\u6570\u636e\uff0c\u8be5\u8bed\u53e5\u7acb\u5373\u5220\u9664\u6240\u6709\u884c\u4e14\u4e0d\u53ef\u9006\uff0c\u4e0d\u4f1a\u89e6\u53d1\u65e5\u5fd7\u8bb0\u5f55\u6216\u7ea6\u675f\uff0c\u91cd\u7f6e\u81ea\u589e\u6807\u8bc6\u5217\u4e3a 1\uff0c\u4e14\u53ea\u80fd\u7528\u4e8e\u6ca1\u6709\u5916\u90e8\u952e\u5f15\u7528\u7684\u8868\u4e0a\u3002\n<\/p><\/blockquote>\n

\"sql\u600e\u4e48\u6e05\u9664\u8868\u91cc\u7684\u6570\u636e\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u6e05\u9664 SQL \u8868\u4e2d\u7684\u6570\u636e<\/strong><\/p>\n

\u8981\u6e05\u9664 SQL \u8868\u4e2d\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 TRUNCATE TABLE \u8bed\u53e5\u3002\u8be5\u8bed\u53e5\u6bd4 DELETE \u8bed\u53e5\u66f4\u6709\u6548\uff0c\u56e0\u4e3a\u5b83\u7acb\u5373\u4ece\u8868\u4e2d\u5220\u9664\u6240\u6709\u884c\uff0c\u800c\u4e0d\u4fdd\u7559\u4efb\u4f55\u65e5\u5fd7\u8bb0\u5f55\u6216\u89e6\u53d1\u5668\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

TRUNCATE TABLE table_name<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5176\u4e2d table_name \u662f\u8981\u6e05\u9664\u5176\u6570\u636e\u7684\u8868\u7684\u540d\u79f0\u3002<\/p>\n
\u6ce8\u610f:<\/strong><\/p>\n
    \n
  • TRUNCATE TABLE \u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u56e0\u6b64\u5728\u6267\u884c\u4e4b\u524d\u8bf7\u786e\u4fdd\u5df2\u5907\u4efd\u6570\u636e\u3002<\/li>\n
  • \u8be5\u8bed\u53e5\u4e0d\u4f1a\u89e6\u53d1\u4efb\u4f55\u89e6\u53d1\u5668\u6216\u7ea6\u675f\u3002<\/li>\n
  • TRUNCATE TABLE \u64cd\u4f5c\u4f1a\u91cd\u7f6e\u8868\u7684\u81ea\u589e\u6807\u8bc6\u5217\u4e3a 1\u3002<\/li>\n
  • \u8be5\u8bed\u53e5\u53ea\u80fd\u5728\u6ca1\u6709\u5916\u90e8\u952e\u5f15\u7528\u8868\u7684\u8868\u4e0a\u4f7f\u7528\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b<\/strong><\/p>\n
    \u8981\u4ece\u8868 employees \u4e2d\u5220\u9664\u6240\u6709\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n
    TRUNCATE TABLE employees<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u6267\u884c\u6b64\u8bed\u53e5\u540e\uff0c\u8868 employees \u4e2d\u7684\u6240\u6709\u884c\u90fd\u5c06\u88ab\u5220\u9664\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662fsql\u600e\u4e48\u6e05\u9664\u8868\u91cc\u7684\u6570\u636e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4f7f\u7528 truncate table \u6765\u6e05\u9664 sql \u8868\u4e2d\u7684\u6570\u636e\uff0c\u8be5\u8bed\u53e5\u7acb\u5373\u5220\u9664\u6240\u6709\u884c\u4e14\u4e0d\u53ef\u9006\uff0c\u4e0d\u4f1a\u89e6\u53d1\u65e5\u5fd7\u8bb0\u5f55\u6216\u7ea6\u675f\uff0c\u91cd\u7f6e\u81ea\u589e\u6807\u8bc6\u5217\u4e3a 1\uff0c\u4e14\u53ea\u80fd\u7528\u4e8e\u6ca1\u6709\u5916\u90e8\u952e\u5f15\u7528\u7684\u8868\u4e0a\u3002 \u5982\u4f55\u6e05\u9664 SQL \u8868\u4e2d\u7684\u6570\u636e \u8981\u6e05\u9664 SQL \u8868\u4e2d\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 TRUNCATE TABLE \u8bed\u53e5\u3002\u8be5\u8bed\u53e5\u6bd4 DELETE \u8bed\u53e5\u66f4\u6709\u6548\uff0c\u56e0\u4e3a\u5b83\u7acb\u5373\u4ece\u8868\u4e2d\u5220\u9664\u6240\u6709\u884c\uff0c\u800c\u4e0d\u4fdd\u7559\u4efb\u4f55\u65e5\u5fd7\u8bb0\u5f55\u6216\u89e6\u53d1\u5668\u3002 \u8bed\u6cd5 TRUNCATE TABLE table_name \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d table_name \u662f\u8981\u6e05\u9664\u5176\u6570\u636e\u7684\u8868\u7684\u540d\u79f0\u3002 \u6ce8\u610f: TRUNCATE TABLE \u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u56e0\u6b64\u5728\u6267\u884c\u4e4b\u524d\u8bf7\u786e\u4fdd\u5df2\u5907\u4efd\u6570\u636e\u3002 \u8be5\u8bed\u53e5\u4e0d\u4f1a\u89e6\u53d1\u4efb\u4f55\u89e6\u53d1\u5668\u6216\u7ea6\u675f\u3002 TRUNCATE TABLE \u64cd\u4f5c\u4f1a\u91cd\u7f6e\u8868\u7684\u81ea\u589e\u6807\u8bc6\u5217\u4e3a 1\u3002 \u8be5\u8bed\u53e5\u53ea\u80fd\u5728\u6ca1\u6709\u5916\u90e8\u952e\u5f15\u7528\u8868\u7684\u8868\u4e0a\u4f7f\u7528\u3002 \u793a\u4f8b \u8981\u4ece\u8868 employees \u4e2d\u5220\u9664\u6240\u6709\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a TRUNCATE TABLE employees \u767b\u5f55\u540e\u590d\u5236 \u6267\u884c\u6b64\u8bed\u53e5\u540e\uff0c\u8868 employees \u4e2d\u7684\u6240\u6709\u884c\u90fd\u5c06\u88ab\u5220\u9664\u3002 \u4ee5\u4e0a\u5c31\u662fsql\u600e\u4e48\u6e05\u9664\u8868\u91cc\u7684\u6570\u636e\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5675","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5675","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5675"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5675\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5675"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5675"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5675"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}