{"id":163157,"date":"2024-11-04T21:08:21","date_gmt":"2024-11-04T13:08:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163157\/"},"modified":"2024-11-04T21:08:22","modified_gmt":"2024-11-04T13:08:22","slug":"%e8%a7%a3%e8%ae%80oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9b%9e%e5%be%a9%e6%8a%80%e5%b7%a7%ef%bc%8c%e6%8f%90%e5%8d%87%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%95%88%e7%8e%87%ef%bc%88oracle%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163157\/","title":{"rendered":"\u89e3\u8b80Oracle\u6578\u64da\u5eab\u56de\u5fa9\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff08Oracle\u6578\u64da\u5eab\u56de\u5fa9\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e8%ae%80oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9b%9e%e5%be%a9%e6%8a%80%e5%b7%a7%ef%bc%8c%e6%8f%90%e5%8d%87%e6%95%b8%e6%93%9a%e7%ae%a1%e7%90%86%e6%95%88%e7%8e%87-KmscZfOjYG\">\u89e3\u8b80Oracle\u6578\u64da\u5eab\u56de\u5fa9\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u53ef\u7528\u6027\u81f3\u95dc\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u56de\u5fa9\u6280\u8853\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eOracle\u6578\u64da\u5eab\u7684\u56de\u5fa9\u6280\u5de7\uff0c\u5e6b\u52a9\u7528\u6236\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u3002<\/p>\n<h2 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9b%9e%e5%be%a9%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-KmscZfOjYG\">Oracle\u6578\u64da\u5eab\u56de\u5fa9\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u7684\u56de\u5fa9\u6280\u8853\u4e3b\u8981\u662f\u70ba\u4e86\u61c9\u5c0d\u6578\u64da\u4e1f\u5931\u6216\u640d\u58de\u7684\u60c5\u6cc1\u3002\u9019\u4e9b\u6280\u8853\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5099\u4efd\uff1a<\/strong>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u662f\u9632\u6b62\u6578\u64da\u4e1f\u5931\u7684\u7b2c\u4e00\u6b65\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u5099\u4efd\u9078\u9805\uff0c\u5305\u62ec\u5168\u5099\u4efd\u548c\u589e\u91cf\u5099\u4efd\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6a94\u6848\uff1a<\/strong>Oracle\u4f7f\u7528\u91cd\u505a\u65e5\u8a8c\uff08Redo Log\uff09\u4f86\u8a18\u9304\u6240\u6709\u5c0d\u6578\u64da\u5eab\u7684\u66f4\u6539\uff0c\u9019\u4f7f\u5f97\u5728\u7cfb\u7d71\u5d29\u6f70\u5f8c\u80fd\u5920\u6062\u5fa9\u5230\u6700\u8fd1\u7684\u72c0\u614b\u3002<\/li>\n<li><strong>\u9583\u56de\u6280\u8853\uff1a<\/strong>\u9583\u56de\u6280\u8853\u5141\u8a31\u7528\u6236\u5728\u6578\u64da\u640d\u58de\u5f8c\u8fc5\u901f\u6062\u5fa9\u5230\u67d0\u500b\u6642\u9593\u9ede\uff0c\u9019\u5c0d\u65bc\u8aa4\u522a\u9664\u6216\u6578\u64da\u640d\u58de\u7684\u60c5\u6cc1\u7279\u5225\u6709\u6548\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%82%99%e4%bb%bd%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-KmscZfOjYG\">\u6578\u64da\u5099\u4efd\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5099\u4efd\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u7684\u5b89\u5168\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u5099\u4efd\uff1a<\/strong>\u5236\u5b9a\u4e00\u500b\u5b9a\u671f\u5099\u4efd\u8a08\u5283\uff0c\u78ba\u4fdd\u6578\u64da\u4e0d\u6703\u56e0\u70ba\u610f\u5916\u4e8b\u4ef6\u800c\u4e1f\u5931\u3002<\/li>\n<li><strong>\u591a\u5730\u5099\u4efd\uff1a<\/strong>\u5c07\u5099\u4efd\u6578\u64da\u5b58\u5132\u5728\u4e0d\u540c\u7684\u5730\u7406\u4f4d\u7f6e\uff0c\u4ee5\u9632\u6b62\u81ea\u7136\u707d\u5bb3\u6216\u5176\u4ed6\u610f\u5916\u4e8b\u4ef6\u5c0e\u81f4\u7684\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u5099\u4efd\uff1a<\/strong>\u5b9a\u671f\u6e2c\u8a66\u5099\u4efd\u7684\u53ef\u7528\u6027\uff0c\u78ba\u4fdd\u5728\u9700\u8981\u6062\u5fa9\u6642\u80fd\u5920\u9806\u5229\u9032\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%87%8d%e5%81%9a%e6%97%a5%e8%aa%8c%e7%9a%84%e7%ae%a1%e7%90%86-KmscZfOjYG\">\u91cd\u505a\u65e5\u8a8c\u7684\u7ba1\u7406<\/h2>\n<p>\u91cd\u505a\u65e5\u8a8c\u662fOracle\u6578\u64da\u5eab\u56de\u5fa9\u7684\u6838\u5fc3\u7d44\u4ef6\u4e4b\u4e00\u3002\u6709\u6548\u7684\u91cd\u505a\u65e5\u8a8c\u7ba1\u7406\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u6062\u5fa9\u7684\u6548\u7387\uff1a<\/p>\n<ul>\n<li><strong>\u914d\u7f6e\u9069\u7576\u7684\u65e5\u8a8c\u5927\u5c0f\uff1a<\/strong>\u6839\u64da\u696d\u52d9\u9700\u6c42\u914d\u7f6e\u91cd\u505a\u65e5\u8a8c\u7684\u5927\u5c0f\uff0c\u4ee5\u78ba\u4fdd\u5728\u9ad8\u8ca0\u8f09\u60c5\u6cc1\u4e0b\u4e0d\u6703\u51fa\u73fe\u65e5\u8a8c\u6eff\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\uff1a<\/strong>\u5b9a\u671f\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u91cd\u505a\u65e5\u8a8c\uff0c\u4ee5\u91cb\u653e\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%96%83%e5%9b%9e%e6%8a%80%e8%a1%93%e7%9a%84%e6%87%89%e7%94%a8-KmscZfOjYG\">\u9583\u56de\u6280\u8853\u7684\u61c9\u7528<\/h2>\n<p>\u9583\u56de\u6280\u8853\u662fOracle\u7684\u4e00\u9805\u5f37\u5927\u529f\u80fd\uff0c\u80fd\u5920\u5728\u6578\u64da\u640d\u58de\u6216\u8aa4\u64cd\u4f5c\u5f8c\u8fc5\u901f\u6062\u5fa9\u6578\u64da\u3002\u4f7f\u7528\u9583\u56de\u6280\u8853\u7684\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>-- \u555f\u7528\u9583\u56de\u529f\u80fd\nALTER DATABASE FLASHBACK ON;\n\n-- \u67e5\u8a62\u9583\u56de\u6642\u9593\u9ede\nSELECT * FROM your_table AS OF TIMESTAMP (SYSTIMESTAMP - INTERVAL '10' MINUTE);\n<\/code><\/pre>\n<p>\u901a\u904e\u4e0a\u8ff0\u67e5\u8a62\uff0c\u53ef\u4ee5\u5728\u904e\u53bb\u768410\u5206\u9418\u5167\u67e5\u770b\u6578\u64da\uff0c\u9019\u5c0d\u65bc\u5feb\u901f\u6062\u5fa9\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-KmscZfOjYG\">\u7d50\u8ad6<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u7684\u56de\u5fa9\u6280\u5de7\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u548c\u53ef\u7528\u6027\u7684\u95dc\u9375\u3002\u901a\u904e\u5b9a\u671f\u5099\u4efd\u3001\u6709\u6548\u7ba1\u7406\u91cd\u505a\u65e5\u8a8c\u548c\u5229\u7528\u9583\u56de\u6280\u8853\uff0c\u7528\u6236\u53ef\u4ee5\u986f\u8457\u63d0\u5347\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u9019\u4e9b\u6280\u5de7\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\uff0c\u5e6b\u52a9\u4f01\u696d\u5728\u9762\u5c0d\u6578\u64da\u6311\u6230\u6642\u4fdd\u6301\u7af6\u722d\u529b\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u6578\u64da\u7ba1\u7406\u548c\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u63d0\u5347\u696d\u52d9\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u8b80Oracle\u6578\u64da\u5eab\u56de\u5fa9\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u5feb\u901f\u6062\u5fa9\uff0c\u52a9\u60a8\u512a\u5316\u6578\u64da\u5eab\u904b\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-163157","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=163157"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163157\/revisions"}],"predecessor-version":[{"id":163158,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163157\/revisions\/163158"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}