{"id":15681,"date":"2023-12-04T21:37:36","date_gmt":"2023-12-04T13:37:36","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15681"},"modified":"2023-12-04T21:48:47","modified_gmt":"2023-12-04T13:48:47","slug":"oracle-zhong-truncate-he-delete-qu-bie","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-truncate-he-delete-qu-bie\/","title":{"rendered":"Oracle \u4e2d truncate \u548c delete \u533a\u522b\uff1f"},"content":{"rendered":"

\u5728 Oracle \u4e2d\uff0cTRUNCATE<\/code> \u548c DELETE<\/code> \u662f\u7528\u4e8e\u5220\u9664\u8868\u4e2d\u6570\u636e\u7684\u4e24\u4e2a\u4e0d\u540c\u7684\u547d\u4ee4\uff0c\u5b83\u4eec\u6709\u4ee5\u4e0b\u533a\u522b\uff1a<\/p>\n

    \n
  1. \n\u64cd\u4f5c\u65b9\u5f0f\uff1a<\/strong><\/p>\n
      \n
    • TRUNCATE<\/code> \u662f DDL\uff08\u6570\u636e\u5b9a\u4e49\u8bed\u8a00\uff09\u547d\u4ee4\uff0c\u76f4\u63a5\u4ece\u8868\u4e2d\u79fb\u9664\u6240\u6709\u884c\uff0c\u5e76\u4e14\u91ca\u653e\u5b58\u50a8\u7a7a\u95f4\u3002<\/li>\n
    • DELETE<\/code> \u662f DML\uff08\u6570\u636e\u64cd\u4f5c\u8bed\u8a00\uff09\u547d\u4ee4\uff0c\u901a\u8fc7\u9010\u884c\u5220\u9664\u6765\u79fb\u9664\u8868\u4e2d\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u4e8b\u52a1\u548c\u56de\u6eda\uff1a<\/strong><\/p>\n
        \n
      • TRUNCATE<\/code> \u662f\u4e00\u4e2a\u81ea\u52a8\u63d0\u4ea4\u7684\u64cd\u4f5c\uff0c\u65e0\u6cd5\u56de\u6eda\u3002<\/li>\n
      • DELETE<\/code> \u53ef\u4ee5\u5305\u542b\u5728\u4e8b\u52a1\u4e2d\uff0c\u5e76\u4e14\u53ef\u4ee5\u56de\u6eda\u5230\u4e8b\u52a1\u5f00\u59cb\u524d\u7684\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u6027\u80fd\u548c\u6548\u7387\uff1a<\/strong><\/p>\n
          \n
        • TRUNCATE<\/code> \u901a\u5e38\u6bd4 DELETE<\/code> \u66f4\u5feb\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u8bb0\u5f55\u5220\u9664\u7684\u884c\uff0c\u800c\u662f\u76f4\u63a5\u91ca\u653e\u8868\u7a7a\u95f4\u3002<\/li>\n
        • DELETE<\/code> \u4f1a\u4ea7\u751f\u66f4\u591a\u7684\u56de\u6eda\u65e5\u5fd7\u548c\u6570\u636e\u64cd\u4f5c\u8bb0\u5f55\uff0c\u53ef\u80fd\u6bd4 TRUNCATE<\/code> \u6162\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u6743\u9650\u548c\u7ea6\u675f\uff1a<\/strong><\/p>\n
            \n
          • TRUNCATE<\/code> \u9700\u8981 DELETE<\/code> \u548c ALTER<\/code> \u8868\u7684\u6743\u9650\uff0c\u5e76\u4e14\u4e0d\u80fd\u5728\u6709\u88ab\u5f15\u7528\u7684\u5916\u952e\u65f6\u4f7f\u7528\u3002<\/li>\n
          • DELETE<\/code> \u53ea\u9700\u8981 DELETE<\/code> \u8868\u7684\u6743\u9650\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

            \u57fa\u4e8e\u8fd9\u4e9b\u533a\u522b\uff0c\u5982\u679c\u9700\u8981\u5feb\u901f\u6e05\u7a7a\u8868\u5e76\u91ca\u653e\u5b58\u50a8\u7a7a\u95f4\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u56de\u6eda\u80fd\u529b\uff0c\u5e76\u4e14\u6709\u8db3\u591f\u7684\u6743\u9650\uff0c\u53ef\u4ee5\u4f7f\u7528 TRUNCATE<\/code>\u3002\u4f46\u5982\u679c\u9700\u8981\u5728\u4e8b\u52a1\u4e2d\u8fdb\u884c\u5220\u9664\uff0c\u5e76\u4e14\u9700\u8981\u8bb0\u5f55\u5220\u9664\u64cd\u4f5c\u6216\u8005\u89e6\u53d1\u76f8\u5173\u64cd\u4f5c\uff08\u5982\u89e6\u53d1\u5668\u3001\u5916\u952e\u7ea6\u675f\u7b49\uff09\uff0c\u5219\u4f7f\u7528 DELETE<\/code> \u66f4\u4e3a\u5408\u9002\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

            \u5728 Oracle \u4e2d\uff0cTRUNCATE \u548c DELETE \u662f\u7528\u4e8e\u5220\u9664\u8868\u4e2d\u6570\u636e\u7684\u4e24\u4e2a\u4e0d\u540c\u7684\u547d\u4ee4\uff0c\u5b83\u4eec\u6709\u4ee5\u4e0b\u533a\u522b\uff1a […]<\/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-15681","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15681","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=15681"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15681\/revisions"}],"predecessor-version":[{"id":15682,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15681\/revisions\/15682"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15681"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}