{"id":15805,"date":"2023-12-04T23:02:01","date_gmt":"2023-12-04T15:02:01","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15805"},"modified":"2023-12-04T23:10:40","modified_gmt":"2023-12-04T15:10:40","slug":"oracle-zhong-bi-jiao-truncate-he-delete-ming-ling-3","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-bi-jiao-truncate-he-delete-ming-ling-3\/","title":{"rendered":"Oracle \u4e2d\u6bd4\u8f83 truncate \u548c delete \u547d\u4ee4\uff1f"},"content":{"rendered":"

TRUNCATE<\/code> \u548c DELETE<\/code> \u662f Oracle \u6570\u636e\u5e93\u4e2d\u7528\u4e8e\u5220\u9664\u8868\u4e2d\u6570\u636e\u7684\u4e24\u4e2a\u4e0d\u540c\u7684\u547d\u4ee4\uff0c\u5b83\u4eec\u4e4b\u95f4\u6709\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\uff1a<\/p>\n

    \n
  1. \n\u64cd\u4f5c\u7ea7\u522b\uff1a<\/strong><\/p>\n
      \n
    • TRUNCATE<\/code> \u662fDDL\uff08\u6570\u636e\u5b9a\u4e49\u8bed\u8a00\uff09\u547d\u4ee4\uff0c\u7528\u4e8e\u4ece\u8868\u4e2d\u5220\u9664\u6240\u6709\u884c\u3002\u5b83\u662f\u4e00\u4e2a\u6574\u4f53\u64cd\u4f5c\uff0c\u4e0d\u8bb0\u5f55\u5220\u9664\u7684\u6bcf\u4e00\u884c\uff0c\u800c\u662f\u91ca\u653e\u8868\u7a7a\u95f4\u3002<\/li>\n
    • DELETE<\/code> \u662fDML\uff08\u6570\u636e\u64cd\u4f5c\u8bed\u8a00\uff09\u547d\u4ee4\uff0c\u53ef\u4ee5\u6839\u636e\u6761\u4ef6\u5220\u9664\u8868\u4e2d\u7684\u7279\u5b9a\u884c\u3002DELETE<\/code> \u8bed\u53e5\u53ef\u4ee5\u6839\u636e WHERE \u5b50\u53e5\u6307\u5b9a\u7684\u6761\u4ef6\u5220\u9664\u6ee1\u8db3\u6761\u4ef6\u7684\u884c\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u4e8b\u52a1\u5904\u7406\uff1a<\/strong><\/p>\n
        \n
      • TRUNCATE<\/code> \u4e0d\u80fd\u5728\u4e8b\u52a1\u56de\u6eda\u4e4b\u540e\u64a4\u9500\u3002\u4e00\u65e6\u6267\u884c TRUNCATE<\/code>\uff0c\u6570\u636e\u5c06\u88ab\u6c38\u4e45\u5220\u9664\uff0c\u4e0d\u80fd\u901a\u8fc7\u56de\u6eda\u6765\u8fd8\u539f\u3002<\/li>\n
      • DELETE<\/code> \u53ef\u4ee5\u5728\u4e8b\u52a1\u4e2d\u88ab\u56de\u6eda\u3002\u5982\u679c DELETE<\/code> \u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u6267\u884c\uff0c\u4f46\u4e8b\u52a1\u540e\u6765\u88ab\u56de\u6eda\uff0c\u90a3\u4e48\u88ab\u5220\u9664\u7684\u884c\u5c06\u88ab\u6062\u590d\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u65e5\u5fd7\u8bb0\u5f55\uff1a<\/strong><\/p>\n
          \n
        • TRUNCATE<\/code> \u64cd\u4f5c\u4e0d\u4f1a\u5728\u4e8b\u52a1\u65e5\u5fd7\u4e2d\u8bb0\u5f55\u6bcf\u4e00\u884c\u7684\u5220\u9664\uff0c\u56e0\u6b64\u76f8\u5bf9\u8f83\u5feb\u3002\u7531\u4e8e\u5b83\u662f\u6574\u4f53\u64cd\u4f5c\uff0c\u4e0d\u4f1a\u751f\u6210\u5927\u91cf\u7684\u65e5\u5fd7\u3002<\/li>\n
        • DELETE<\/code> \u64cd\u4f5c\u4f1a\u5728\u4e8b\u52a1\u65e5\u5fd7\u4e2d\u4e3a\u6bcf\u4e2a\u88ab\u5220\u9664\u7684\u884c\u8bb0\u5f55\u4e00\u6761\u65e5\u5fd7\uff0c\u56e0\u6b64\u53ef\u80fd\u4f1a\u751f\u6210\u5927\u91cf\u7684\u65e5\u5fd7\uff0c\u5bfc\u81f4\u76f8\u5bf9\u8f83\u6162\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u6743\u9650\u8981\u6c42\uff1a<\/strong><\/p>\n
            \n
          • TRUNCATE<\/code> \u9700\u8981\u8868\u7684 ALTER<\/code> \u548c DROP<\/code> \u6743\u9650\u3002<\/li>\n
          • DELETE<\/code> \u9700\u8981\u8868\u7684 DELETE<\/code> \u6743\u9650\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u89e6\u53d1\u5668\uff1a<\/strong><\/p>\n
              \n
            • TRUNCATE<\/code> \u4e0d\u4f1a\u89e6\u53d1\u8868\u4e0a\u7684 DELETE<\/code> \u89e6\u53d1\u5668\u3002<\/li>\n
            • DELETE<\/code> \u4f1a\u89e6\u53d1\u8868\u4e0a\u7684 DELETE<\/code> \u89e6\u53d1\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

              \u7efc\u4e0a\u6240\u8ff0\uff0c\u9009\u62e9\u4f7f\u7528 TRUNCATE<\/code> \u8fd8\u662f DELETE<\/code> \u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u9700\u6c42\u3002\u5982\u679c\u9700\u8981\u5feb\u901f\u5220\u9664\u6574\u4e2a\u8868\u7684\u6570\u636e\u4e14\u4e0d\u5173\u5fc3\u4e8b\u52a1\u56de\u6eda\uff0c\u53ef\u4ee5\u4f7f\u7528 TRUNCATE<\/code>\u3002\u5982\u679c\u9700\u8981\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u5220\u9664\u884c\uff0c\u5e76\u4e14\u9700\u8981\u8bb0\u5f55\u6bcf\u4e00\u884c\u7684\u5220\u9664\uff0c\u5e76\u652f\u6301\u4e8b\u52a1\u56de\u6eda\uff0c\u90a3\u4e48\u5e94\u8be5\u4f7f\u7528 DELETE<\/code>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

              TRUNCATE \u548c DELETE \u662f Oracle \u6570\u636e\u5e93\u4e2d\u7528\u4e8e\u5220\u9664\u8868\u4e2d\u6570\u636e\u7684\u4e24\u4e2a\u4e0d\u540c\u7684\u547d\u4ee4\uff0c\u5b83\u4eec\u4e4b\u95f4\u6709\u4e00\u4e9b […]<\/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-15805","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15805","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=15805"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15805\/revisions"}],"predecessor-version":[{"id":15806,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15805\/revisions\/15806"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15805"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}