{"id":15621,"date":"2023-12-04T21:12:38","date_gmt":"2023-12-04T13:12:38","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15621"},"modified":"2023-12-04T21:22:13","modified_gmt":"2023-12-04T13:22:13","slug":"oracle-zhong-bi-jiao-truncate-he-delete-ming-ling","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-bi-jiao-truncate-he-delete-ming-ling\/","title":{"rendered":"Oracle \u4e2d\u6bd4\u8f83 truncate \u548c delete \u547d\u4ee4\uff1f"},"content":{"rendered":"

\u5728Oracle\u4e2d\uff0cTRUNCATE<\/code>\u548cDELETE<\/code>\u547d\u4ee4\u90fd\u53ef\u4ee5\u5220\u9664\u8868\u4e2d\u7684\u6570\u636e\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\uff1a<\/p>\n

    \n
  1. \n\u64cd\u4f5c\u65b9\u5f0f\uff1a<\/strong><\/p>\n
      \n
    • TRUNCATE\uff1a<\/strong> \u662f\u4e00\u79cdDDL\uff08\u6570\u636e\u5b9a\u4e49\u8bed\u8a00\uff09\u64cd\u4f5c\uff0c\u5b83\u76f4\u63a5\u91ca\u653e\u8868\u7a7a\u95f4\u5e76\u5feb\u901f\u5220\u9664\u8868\u4e2d\u6240\u6709\u884c\u3002TRUNCATE\u4e0d\u80fd\u56de\u6eda\uff0c\u5e76\u4e14\u4e0d\u4f1a\u6fc0\u6d3b\u89e6\u53d1\u5668\u3002<\/li>\n
    • DELETE\uff1a<\/strong> \u662fDML\uff08\u6570\u636e\u64cd\u4f5c\u8bed\u8a00\uff09\u547d\u4ee4\uff0c\u5b83\u4ee5\u884c\u4e3a\u5355\u4f4d\u9010\u884c\u5220\u9664\u8868\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u56de\u6eda\u4e8b\u52a1\u3002DELETE\u64cd\u4f5c\u4f1a\u6fc0\u6d3b\u89e6\u53d1\u5668\uff0c\u4e14\u5220\u9664\u7684\u8fc7\u7a0b\u6bd4TRUNCATE\u6162\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u4e8b\u52a1\u548c\u65e5\u5fd7\uff1a<\/strong><\/p>\n
        \n
      • TRUNCATE\uff1a<\/strong> \u4e0d\u4f1a\u4ea7\u751f\u4e0e\u6bcf\u884c\u64cd\u4f5c\u76f8\u5173\u7684\u65e5\u5fd7\uff0c\u56e0\u6b64\u4e0d\u4f1a\u8bb0\u5f55\u5220\u9664\u8fc7\u7a0b\uff0c\u4e5f\u4e0d\u4f1a\u751f\u6210\u56de\u6eda\u6570\u636e\u3002\u6574\u4e2a\u64cd\u4f5c\u5728\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u524d\u90fd\u4e0d\u53ef\u56de\u6eda\u3002<\/li>\n
      • DELETE\uff1a<\/strong> \u4f1a\u8bb0\u5f55\u6bcf\u884c\u5220\u9664\u7684\u65e5\u5fd7\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u4e8b\u52a1\u8fdb\u884c\u56de\u6eda\u3002\u5220\u9664\u64cd\u4f5c\u53ef\u4ee5\u5728\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u524d\u56de\u9000\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u7cfb\u7edf\u8d44\u6e90\u548c\u6027\u80fd\uff1a<\/strong><\/p>\n
          \n
        • TRUNCATE\uff1a<\/strong> \u66f4\u5feb\uff0c\u56e0\u4e3a\u5b83\u662f\u4e00\u79cd\u7b80\u5355\u7684\u64cd\u4f5c\uff0c\u4e0d\u9700\u8981\u9010\u884c\u5904\u7406\uff0c\u5e76\u4e14\u4e0d\u4f1a\u751f\u6210\u5927\u91cf\u7684\u65e5\u5fd7\u3002<\/li>\n
        • DELETE\uff1a<\/strong> \u8f83\u6162\uff0c\u56e0\u4e3a\u5b83\u9700\u8981\u9010\u884c\u64cd\u4f5c\uff0c\u5e76\u4e14\u4f1a\u751f\u6210\u5927\u91cf\u7684\u65e5\u5fd7\uff0c\u53ef\u80fd\u4f1a\u5360\u7528\u66f4\u591a\u7cfb\u7edf\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u4fdd\u7559\u7a7a\u95f4\u548c\u7ea6\u675f\uff1a<\/strong><\/p>\n
            \n
          • TRUNCATE\uff1a<\/strong> \u4f1a\u4fdd\u7559\u8868\u7684\u7ed3\u6784\u548c\u7ea6\u675f\uff08\u5982\u7d22\u5f15\u3001\u89e6\u53d1\u5668\uff09\uff0c\u53ea\u662f\u5220\u9664\u6570\u636e\u3002<\/li>\n
          • DELETE\uff1a<\/strong> \u5220\u9664\u6570\u636e\u7684\u540c\u65f6\u4e5f\u4f1a\u89e6\u53d1\u7ea6\u675f\u548c\u89e6\u53d1\u5668\uff0c\u53ef\u80fd\u9700\u8981\u5728\u64cd\u4f5c\u5b8c\u6210\u540e\u91cd\u65b0\u521b\u5efa\u7d22\u5f15\u6216\u89e6\u53d1\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

            \u7efc\u4e0a\u6240\u8ff0\uff0cTRUNCATE<\/code>\u66f4\u9002\u5408\u5feb\u901f\u5220\u9664\u6574\u4e2a\u8868\u7684\u6570\u636e\uff0c\u4e0d\u9700\u8981\u56de\u6eda\u7684\u60c5\u51b5\uff0c\u800cDELETE<\/code>\u66f4\u7075\u6d3b\uff0c\u53ef\u4ee5\u4ee5\u884c\u4e3a\u5355\u4f4d\u63a7\u5236\u5220\u9664\uff0c\u53ef\u4ee5\u56de\u6eda\uff0c\u5e76\u4e14\u4f1a\u6fc0\u6d3b\u89e6\u53d1\u5668\u548c\u7ea6\u675f\u3002\u9009\u62e9\u4f7f\u7528\u54ea\u4e2a\u547d\u4ee4\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u4e1a\u52a1\u573a\u666f\u8fdb\u884c\u6743\u8861\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

            \u5728Oracle\u4e2d\uff0cTRUNCATE\u548cDELETE\u547d\u4ee4\u90fd\u53ef\u4ee5\u5220\u9664\u8868\u4e2d\u7684\u6570\u636e\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\uff1a \u64cd\u4f5c\u65b9 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15621","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15621"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15621\/revisions"}],"predecessor-version":[{"id":15622,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15621\/revisions\/15622"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15621"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}