{"id":4997,"date":"2024-11-14T10:28:00","date_gmt":"2024-11-14T02:28:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/4997\/"},"modified":"2024-11-14T10:28:00","modified_gmt":"2024-11-14T02:28:00","slug":"oracle%e6%80%8e%e4%b9%88%e6%b8%85%e7%a9%ba%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/4997\/","title":{"rendered":"oracle\u600e\u4e48\u6e05\u7a7a\u8868"},"content":{"rendered":"

\n \u76f4\u63a5\u65b9\u6cd5\uff1a\u4f7f\u7528 truncate table \u8bed\u53e5\u6e05\u7a7a\u8868\uff0c\u5feb\u901f\u4e14\u4e0d\u4f1a\u89e6\u53d1\u7ea6\u675f\u3002\u95f4\u63a5\u65b9\u6cd5\uff1a\u4f7f\u7528 delete from \u8bed\u53e5\uff0c\u53ef\u8fc7\u6ee4\u8981\u5220\u9664\u7684\u6570\u636e\uff0c\u4f46\u901f\u5ea6\u8f83\u6162\u3002\n<\/p><\/blockquote>\n

\"oracle\u600e\u4e48\u6e05\u7a7a\u8868\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u6e05\u7a7a Oracle \u8868<\/strong><\/p>\n

\u76f4\u63a5\u65b9\u6cd5\uff1a<\/strong><\/p>\n

\u4f7f\u7528 TRUNCATE TABLE \u8bed\u53e5\uff0c\u8be5\u8bed\u53e5\u53ef\u5feb\u901f\u5220\u9664\u8868\u4e2d\u7684\u6240\u6709\u6570\u636e\u5e76\u91cd\u7f6e\u81ea\u589e\u5217\u3002\u4f8b\u5982\uff1a<\/p>\n

TRUNCATE TABLE my_table;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u95f4\u63a5\u65b9\u6cd5\uff1a<\/strong><\/p>\n
\u901a\u8fc7 DELETE FROM \u8bed\u53e5\u5220\u9664\u8868\u4e2d\u7684\u6240\u6709\u6570\u636e\u3002\u4f8b\u5982\uff1a<\/p>\n
DELETE FROM my_table\nWHERE 1=1;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u54ea\u4e2a\u65b9\u6cd5\u66f4\u597d\uff1f<\/strong><\/p>\n
    \n
  • TRUNCATE TABLE \u901f\u5ea6\u66f4\u5feb\uff0c\u5e76\u4e14\u4e0d\u4f1a\u89e6\u53d1\u6570\u636e\u5e93\u89e6\u53d1\u5668\u6216\u5916\u952e\u7ea6\u675f\u3002<\/li>\n
  • DELETE FROM \u5141\u8bb8\u66f4\u7075\u6d3b\u5730\u8fc7\u6ee4\u8981\u5220\u9664\u7684\u6570\u636e\uff0c\u4f46\u901f\u5ea6\u8f83\u6162\u3002<\/li>\n<\/ul>\n
    \u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n
      \n
    • TRUNCATE TABLE \u65e0\u6cd5\u56de\u6eda\uff0c\u8bf7\u5728\u4f7f\u7528\u524d\u786e\u4fdd\u60a8\u4e0d\u4f1a\u9700\u8981\u6570\u636e\u3002<\/li>\n
    • DELETE FROM \u53ef\u4ee5\u56de\u6eda\uff0c\u53ea\u8981\u60a8\u5df2\u542f\u7528\u56de\u6eda\u3002<\/li>\n
    • \u5bf9\u4e8e\u6709\u5916\u952e\u7ea6\u675f\u7684\u8868\uff0c\u5fc5\u987b\u5148\u5220\u9664\u5f15\u7528\u884c\uff0c\u7136\u540e\u624d\u80fd\u5220\u9664\u6570\u636e\u3002<\/li>\n
    • \u5982\u679c\u8868\u6709\u81ea\u589e\u5217\uff0c\u5219 TRUNCATE TABLE \u4f1a\u91cd\u7f6e\u8fd9\u4e9b\u503c\uff0c\u800c DELETE FROM \u4e0d\u4f1a\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u6e05\u7a7a\u8868\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":"
      \u76f4\u63a5\u65b9\u6cd5\uff1a\u4f7f\u7528 truncate table \u8bed\u53e5\u6e05\u7a7a\u8868\uff0c\u5feb\u901f\u4e14\u4e0d\u4f1a\u89e6\u53d1\u7ea6\u675f\u3002\u95f4\u63a5\u65b9\u6cd5\uff1a\u4f7f\u7528 delete from \u8bed\u53e5\uff0c\u53ef\u8fc7\u6ee4\u8981\u5220\u9664\u7684\u6570\u636e\uff0c\u4f46\u901f\u5ea6\u8f83\u6162\u3002 \u5982\u4f55\u6e05\u7a7a Oracle \u8868 \u76f4\u63a5\u65b9\u6cd5\uff1a \u4f7f\u7528 TRUNCATE TABLE \u8bed\u53e5\uff0c\u8be5\u8bed\u53e5\u53ef\u5feb\u901f\u5220\u9664\u8868\u4e2d\u7684\u6240\u6709\u6570\u636e\u5e76\u91cd\u7f6e\u81ea\u589e\u5217\u3002\u4f8b\u5982\uff1a TRUNCATE TABLE my_table; \u767b\u5f55\u540e\u590d\u5236 \u95f4\u63a5\u65b9\u6cd5\uff1a \u901a\u8fc7 DELETE FROM \u8bed\u53e5\u5220\u9664\u8868\u4e2d\u7684\u6240\u6709\u6570\u636e\u3002\u4f8b\u5982\uff1a DELETE FROM my_table WHERE 1=1; \u767b\u5f55\u540e\u590d\u5236 \u54ea\u4e2a\u65b9\u6cd5\u66f4\u597d\uff1f TRUNCATE TABLE \u901f\u5ea6\u66f4\u5feb\uff0c\u5e76\u4e14\u4e0d\u4f1a\u89e6\u53d1\u6570\u636e\u5e93\u89e6\u53d1\u5668\u6216\u5916\u952e\u7ea6\u675f\u3002 DELETE FROM \u5141\u8bb8\u66f4\u7075\u6d3b\u5730\u8fc7\u6ee4\u8981\u5220\u9664\u7684\u6570\u636e\uff0c\u4f46\u901f\u5ea6\u8f83\u6162\u3002 \u6ce8\u610f\u4e8b\u9879\uff1a TRUNCATE TABLE \u65e0\u6cd5\u56de\u6eda\uff0c\u8bf7\u5728\u4f7f\u7528\u524d\u786e\u4fdd\u60a8\u4e0d\u4f1a\u9700\u8981\u6570\u636e\u3002 DELETE FROM \u53ef\u4ee5\u56de\u6eda\uff0c\u53ea\u8981\u60a8\u5df2\u542f\u7528\u56de\u6eda\u3002 \u5bf9\u4e8e\u6709\u5916\u952e\u7ea6\u675f\u7684\u8868\uff0c\u5fc5\u987b\u5148\u5220\u9664\u5f15\u7528\u884c\uff0c\u7136\u540e\u624d\u80fd\u5220\u9664\u6570\u636e\u3002 \u5982\u679c\u8868\u6709\u81ea\u589e\u5217\uff0c\u5219 TRUNCATE TABLE \u4f1a\u91cd\u7f6e\u8fd9\u4e9b\u503c\uff0c\u800c DELETE FROM \u4e0d\u4f1a\u3002 \u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u6e05\u7a7a\u8868\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-4997","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/4997","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=4997"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/4997\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=4997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=4997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=4997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}