{"id":5354,"date":"2024-11-14T12:43:05","date_gmt":"2024-11-14T04:43:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5354\/"},"modified":"2024-11-14T12:43:05","modified_gmt":"2024-11-14T04:43:05","slug":"oracle%e6%8f%90%e4%ba%a4%e4%ba%86%e6%80%8e%e4%b9%88%e5%9b%9e%e9%80%80","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5354\/","title":{"rendered":"oracle\u63d0\u4ea4\u4e86\u600e\u4e48\u56de\u9000"},"content":{"rendered":"

\n oracle \u63d0\u4f9b\u4e86\u4ee5\u4e0b\u56de\u9000\u5df2\u63d0\u4ea4\u6570\u636e\u5e93\u66f4\u6539\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 rollback \u8bed\u53e5\u7acb\u5373\u64a4\u9500\u6240\u6709\u672a\u63d0\u4ea4\u7684\u66f4\u6539\u3002\u901a\u8fc7\u6570\u636e\u5e93\u7ba1\u7406\u5de5\u5177\u754c\u9762\u64cd\u4f5c\u3002\u4f7f\u7528 oracle flashback \u6280\u672f\u8fd4\u56de\u5230\u7279\u5b9a\u65f6\u95f4\u70b9\u5e76\u8fd8\u539f\u6570\u636e\uff0c\u9700\u542f\u7528\u95ea\u56de\u65e5\u5fd7\u8bb0\u5f55\u3002\n<\/p><\/blockquote>\n

\"oracle\u63d0\u4ea4\u4e86\u600e\u4e48\u56de\u9000\u63d2\u56fe\"<\/p>\n

Oracle \u63d0\u4ea4\u540e\u7684\u56de\u9000<\/strong><\/p>\n

\u6570\u636e\u5e93\u63d0\u4ea4\u540e\uff0c\u5982\u679c\u53d1\u73b0\u6570\u636e\u6709\u8bef\u6216\u9700\u8981\u56de\u6eda\u64cd\u4f5c\uff0cOracle \u63d0\u4f9b\u4e86\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u56de\u9000\uff1a<\/p>\n

1. \u4f7f\u7528 ROLLBACK \u8bed\u53e5<\/strong><\/p>\n

\u8fd9\u662f\u6700\u76f4\u63a5\u7684\u56de\u9000\u65b9\u6cd5\uff0c\u5b83\u4f1a\u7acb\u5373\u64a4\u9500\u6240\u6709\u5c1a\u672a\u63d0\u4ea4\u7684\u66f4\u6539\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

ROLLBACK<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u901a\u8fc7\u6570\u636e\u5e93\u7ba1\u7406\u5de5\u5177\u56de\u9000<\/strong><\/p>\n
\u5927\u591a\u6570\u6570\u636e\u5e93\u7ba1\u7406\u5de5\u5177\uff08\u4f8b\u5982 Oracle SQL Developer\uff09\u90fd\u63d0\u4f9b\u4e86\u56de\u9000\u64cd\u4f5c\u7684\u754c\u9762\u3002\u53ef\u4ee5\u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u9009\u62e9\u8981\u56de\u6eda\u7684\u4e8b\u52a1\uff0c\u7136\u540e\u5355\u51fb\u56de\u9000\u6309\u94ae\u3002<\/p>\n
3. \u4f7f\u7528 Oracle Flashback \u6280\u672f<\/strong><\/p>\n
Oracle Flashback \u6280\u672f\u5141\u8bb8\u7528\u6237\u8fd4\u56de\u6570\u636e\u5e93\u7684\u7279\u5b9a\u65f6\u95f4\u70b9\uff0c\u5e76\u67e5\u770b\u6216\u8fd8\u539f\u8be5\u65f6\u95f4\u70b9\u7684\u6570\u636e\u3002\u8981\u4f7f\u7528 Flashback\uff0c\u9700\u8981\u542f\u7528\u95ea\u56de\u65e5\u5fd7\u8bb0\u5f55\u3002<\/p>\n
\u4ee5\u4e0b\u6b65\u9aa4\u8be6\u7ec6\u8bf4\u660e\u4e86\u4f7f\u7528 Oracle Flashback \u56de\u9000\u5df2\u63d0\u4ea4\u7684\u66f4\u6539\uff1a<\/strong><\/p>\n
    \n
  • \u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u5e76\u542f\u7528\u95ea\u56de\u65e5\u5fd7\u8bb0\u5f55\u3002<\/li>\n
  • \n
    \u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n
    SELECT SCN FROM v$database;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  • \u8bb0\u5f55\u4e0b “SCN” \u503c\uff0c\u5b83\u8868\u793a\u5f53\u524d\u7684\u7cfb\u7edf\u53d8\u66f4\u53f7 (SCN)\u3002<\/li>\n
  • \n
    \u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u56de\u6eda\u5230\u7279\u5b9a\u7684 SCN\uff1a<\/p>\n
    FLASHBACK DATABASE TO SCN <scn_value><\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  • \u5176\u4e2d \u662f\u60a8\u5728\u7b2c\u4e00\u6b65\u4e2d\u8bb0\u5f55\u7684 SCN \u503c\u3002 <\/li>\n<\/ul>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • \u56de\u6eda\u64cd\u4f5c\u53ea\u80fd\u5e94\u7528\u4e8e\u672a\u63d0\u4ea4\u7684\u4e8b\u52a1\u3002<\/li>\n
    • Oracle Flashback \u6280\u672f\u9700\u8981\u542f\u7528\u95ea\u56de\u65e5\u5fd7\u8bb0\u5f55\u624d\u80fd\u4f7f\u7528\u3002<\/li>\n
    • \u56de\u6eda\u53ef\u80fd\u5bfc\u81f4\uff0c\u56e0\u6b64\u5728\u6267\u884c\u56de\u6eda\u64cd\u4f5c\u4e4b\u524d\u52a1\u5fc5\u505a\u597d\u5907\u4efd\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662f\u63d0\u4ea4\u4e86\u600e\u4e48\u56de\u9000\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":"
      oracle \u63d0\u4f9b\u4e86\u4ee5\u4e0b\u56de\u9000\u5df2\u63d0\u4ea4\u6570\u636e\u5e93\u66f4\u6539\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528 rollback \u8bed\u53e5\u7acb\u5373\u64a4\u9500\u6240\u6709\u672a\u63d0\u4ea4\u7684\u66f4\u6539\u3002\u901a\u8fc7\u6570\u636e\u5e93\u7ba1\u7406\u5de5\u5177\u754c\u9762\u64cd\u4f5c\u3002\u4f7f\u7528 oracle flashback \u6280\u672f\u8fd4\u56de\u5230\u7279\u5b9a\u65f6\u95f4\u70b9\u5e76\u8fd8\u539f\u6570\u636e\uff0c\u9700\u542f\u7528\u95ea\u56de\u65e5\u5fd7\u8bb0\u5f55\u3002 Oracle \u63d0\u4ea4\u540e\u7684\u56de\u9000 \u6570\u636e\u5e93\u63d0\u4ea4\u540e\uff0c\u5982\u679c\u53d1\u73b0\u6570\u636e\u6709\u8bef\u6216\u9700\u8981\u56de\u6eda\u64cd\u4f5c\uff0cOracle \u63d0\u4f9b\u4e86\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u56de\u9000\uff1a 1. \u4f7f\u7528 ROLLBACK \u8bed\u53e5 \u8fd9\u662f\u6700\u76f4\u63a5\u7684\u56de\u9000\u65b9\u6cd5\uff0c\u5b83\u4f1a\u7acb\u5373\u64a4\u9500\u6240\u6709\u5c1a\u672a\u63d0\u4ea4\u7684\u66f4\u6539\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a ROLLBACK \u767b\u5f55\u540e\u590d\u5236 2. \u901a\u8fc7\u6570\u636e\u5e93\u7ba1\u7406\u5de5\u5177\u56de\u9000 \u5927\u591a\u6570\u6570\u636e\u5e93\u7ba1\u7406\u5de5\u5177\uff08\u4f8b\u5982 Oracle SQL Developer\uff09\u90fd\u63d0\u4f9b\u4e86\u56de\u9000\u64cd\u4f5c\u7684\u754c\u9762\u3002\u53ef\u4ee5\u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u9009\u62e9\u8981\u56de\u6eda\u7684\u4e8b\u52a1\uff0c\u7136\u540e\u5355\u51fb\u56de\u9000\u6309\u94ae\u3002 3. \u4f7f\u7528 Oracle Flashback \u6280\u672f Oracle Flashback \u6280\u672f\u5141\u8bb8\u7528\u6237\u8fd4\u56de\u6570\u636e\u5e93\u7684\u7279\u5b9a\u65f6\u95f4\u70b9\uff0c\u5e76\u67e5\u770b\u6216\u8fd8\u539f\u8be5\u65f6\u95f4\u70b9\u7684\u6570\u636e\u3002\u8981\u4f7f\u7528 Flashback\uff0c\u9700\u8981\u542f\u7528\u95ea\u56de\u65e5\u5fd7\u8bb0\u5f55\u3002 \u4ee5\u4e0b\u6b65\u9aa4\u8be6\u7ec6\u8bf4\u660e\u4e86\u4f7f\u7528 Oracle Flashback \u56de\u9000\u5df2\u63d0\u4ea4\u7684\u66f4\u6539\uff1a \u8fde\u63a5\u5230\u6570\u636e\u5e93\uff0c\u5e76\u542f\u7528\u95ea\u56de\u65e5\u5fd7\u8bb0\u5f55\u3002 \u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\uff1a SELECT SCN FROM v$database; \u767b\u5f55\u540e\u590d\u5236 \u8bb0\u5f55\u4e0b “SCN” \u503c\uff0c\u5b83\u8868\u793a\u5f53\u524d\u7684\u7cfb\u7edf\u53d8\u66f4\u53f7 (SCN)\u3002 \u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u56de\u6eda\u5230\u7279\u5b9a\u7684 SCN\uff1a FLASHBACK DATABASE TO SCN <scn_value> […]<\/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-5354","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5354","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=5354"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5354\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5354"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}