{"id":179656,"date":"2024-11-09T03:42:23","date_gmt":"2024-11-08T19:42:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179656\/"},"modified":"2024-11-09T03:42:24","modified_gmt":"2024-11-08T19:42:24","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e9%82%84%e5%8e%9f%e8%aa%a4%e5%88%aa%e7%9a%84%e8%a1%a8%e6%a0%bc-%e9%82%84%e5%8e%9f%e5%88%aa%e9%99%a4%e8%a1%a8-oracle-%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179656\/","title":{"rendered":"\u5982\u4f55\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u9084\u539f\u8aa4\u522a\u7684\u8868\u683c (\u9084\u539f\u522a\u9664\u8868 oracle \u6578\u64da\u5eab\u55ce)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e9%82%84%e5%8e%9f%e8%aa%a4%e5%88%aa%e7%9a%84%e8%a1%a8%e6%a0%bc-PDkNRrsAHq\">\u5982\u4f55\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u9084\u539f\u8aa4\u522a\u7684\u8868\u683c<\/h1>\n<p>\u5728\u65e5\u5e38\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u8aa4\u522a\u9664\u8868\u683c\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\u3002\u5c0d\u65bc\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u7684\u7528\u6236\u4f86\u8aaa\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u9084\u539f\u8aa4\u522a\u7684\u8868\u683c\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u9084\u539f\u522a\u9664\u8868\u683c\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u7528\u6236\u5728\u9047\u5230\u6b64\u985e\u554f\u984c\u6642\u80fd\u5920\u8fc5\u901f\u61c9\u5c0d\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8-flashback-%e6%8a%80%e8%a1%93-PDkNRrsAHq\">1. \u4f7f\u7528 Flashback \u6280\u8853<\/h2>\n<p>Oracle \u63d0\u4f9b\u4e86\u4e00\u7a2e\u540d\u70ba Flashback \u7684\u6280\u8853\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e0d\u9700\u8981\u9032\u884c\u5b8c\u6574\u6062\u5fa9\u7684\u60c5\u6cc1\u4e0b\uff0c\u9084\u539f\u5230\u67d0\u500b\u6642\u9593\u9ede\u7684\u6578\u64da\u3002\u9019\u5c0d\u65bc\u8aa4\u522a\u9664\u8868\u683c\u7684\u60c5\u6cc1\u7279\u5225\u6709\u7528\u3002<\/p>\n<h3 id=\"1-1-%e5%95%9f%e7%94%a8-flashback-PDkNRrsAHq\">1.1 \u555f\u7528 Flashback<\/h3>\n<p>\u5728\u4f7f\u7528 Flashback \u529f\u80fd\u4e4b\u524d\uff0c\u5fc5\u9808\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6062\u5fa9\u6a21\u5f0f\u8a2d\u7f6e\u70ba ARCHIVELOG\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u547d\u4ee4\u6aa2\u67e5\u6062\u5fa9\u6a21\u5f0f\uff1a<\/p>\n<pre><code>SELECT LOG_MODE FROM V$DATABASE;<\/code><\/pre>\n<p>\u5982\u679c\u6062\u5fa9\u6a21\u5f0f\u4e0d\u662f ARCHIVELOG\uff0c\u5247\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u8a2d\u7f6e\u3002<\/p>\n<h3 id=\"1-2-%e9%82%84%e5%8e%9f%e8%a1%a8%e6%a0%bc-PDkNRrsAHq\">1.2 \u9084\u539f\u8868\u683c<\/h3>\n<p>\u4f7f\u7528 Flashback \u9084\u539f\u8868\u683c\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>FLASHBACK TABLE \u8868\u540d TO TIMESTAMP (SYSTIMESTAMP - INTERVAL 'x' MINUTE);<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c\u60a8\u9700\u8981\u5c07\u201c\u8868\u540d\u201d\u66ff\u63db\u70ba\u60a8\u8981\u9084\u539f\u7684\u8868\u683c\u540d\u7a31\uff0c\u4e26\u6839\u64da\u9700\u8981\u8abf\u6574\u6642\u9593\u9593\u9694\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e6%b3%b5%e5%b0%8e%e5%87%ba%e5%92%8c%e5%b0%8e%e5%85%a5-PDkNRrsAHq\">2. \u4f7f\u7528\u6578\u64da\u6cf5\u5c0e\u51fa\u548c\u5c0e\u5165<\/h2>\n<p>\u5982\u679c\u60a8\u5728\u522a\u9664\u8868\u683c\u4e4b\u524d\u6709\u9032\u884c\u6578\u64da\u6cf5\u7684\u5c0e\u51fa\uff0c\u90a3\u9ebc\u53ef\u4ee5\u901a\u904e\u5c0e\u5165\u4f86\u9084\u539f\u8868\u683c\u3002\u6578\u64da\u6cf5\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u8f49\u79fb\u5de5\u5177\uff0c\u80fd\u5920\u5feb\u901f\u5c0e\u51fa\u548c\u5c0e\u5165\u6578\u64da\u3002<\/p>\n<h3 id=\"2-1-%e5%b0%8e%e5%87%ba%e6%95%b8%e6%93%9a-PDkNRrsAHq\">2.1 \u5c0e\u51fa\u6578\u64da<\/h3>\n<p>\u5c0e\u51fa\u8868\u683c\u7684\u57fa\u672c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>expdp \u7528\u6236\u540d\/\u5bc6\u78bc DIRECTORY=\u5c0e\u51fa\u76ee\u9304 DUMPFILE=\u5c0e\u51fa\u6587\u4ef6.dmp TABLES=\u8868\u540d;<\/code><\/pre>\n<h3 id=\"2-2-%e5%b0%8e%e5%85%a5%e6%95%b8%e6%93%9a-PDkNRrsAHq\">2.2 \u5c0e\u5165\u6578\u64da<\/h3>\n<p>\u5982\u679c\u8868\u683c\u5df2\u7d93\u88ab\u522a\u9664\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5c0e\u5165\u6578\u64da\uff1a<\/p>\n<pre><code>impdp \u7528\u6236\u540d\/\u5bc6\u78bc DIRECTORY=\u5c0e\u5165\u76ee\u9304 DUMPFILE=\u5c0e\u51fa\u6587\u4ef6.dmp TABLES=\u8868\u540d;<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8%e5%9b%9e%e6%bb%be%e6%ae%b5-PDkNRrsAHq\">3. \u4f7f\u7528\u56de\u6efe\u6bb5<\/h2>\n<p>\u5982\u679c\u60a8\u5728\u522a\u9664\u8868\u683c\u4e4b\u524d\u6c92\u6709\u63d0\u4ea4\u4e8b\u52d9\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u56de\u6efe\u6bb5\u4f86\u9084\u539f\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u50c5\u5728\u4e8b\u52d9\u672a\u63d0\u4ea4\u7684\u60c5\u6cc1\u4e0b\u6709\u6548\u3002<\/p>\n<pre><code>ROLLBACK;<\/code><\/pre>\n<p>\u9019\u5c07\u64a4\u92b7\u6240\u6709\u672a\u63d0\u4ea4\u7684\u66f4\u6539\uff0c\u5305\u62ec\u522a\u9664\u7684\u8868\u683c\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8%e5%82%99%e4%bb%bd%e6%81%a2%e5%be%a9-PDkNRrsAHq\">4. \u4f7f\u7528\u5099\u4efd\u6062\u5fa9<\/h2>\n<p>\u5982\u679c\u4ee5\u4e0a\u65b9\u6cd5\u90fd\u7121\u6cd5\u89e3\u6c7a\u554f\u984c\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6578\u64da\u5eab\u7684\u5099\u4efd\u4f86\u6062\u5fa9\u8868\u683c\u3002\u9019\u9700\u8981\u60a8\u5728\u522a\u9664\u8868\u683c\u4e4b\u524d\u6709\u9032\u884c\u904e\u5b8c\u6574\u7684\u6578\u64da\u5eab\u5099\u4efd\u3002<\/p>\n<h3 id=\"4-1-%e6%81%a2%e5%be%a9%e5%82%99%e4%bb%bd-PDkNRrsAHq\">4.1 \u6062\u5fa9\u5099\u4efd<\/h3>\n<p>\u6062\u5fa9\u5099\u4efd\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u95dc\u9589\u6578\u64da\u5eab\u3002<\/li>\n<li>\u5c07\u5099\u4efd\u6587\u4ef6\u6062\u5fa9\u5230\u6578\u64da\u5eab\u7684\u6578\u64da\u76ee\u9304\u3002<\/li>\n<li>\u555f\u52d5\u6578\u64da\u5eab\u4e26\u9032\u884c\u6062\u5fa9\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PDkNRrsAHq\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u9084\u539f\u8aa4\u522a\u7684\u8868\u683c\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\u5be6\u73fe\uff0c\u5305\u62ec\u4f7f\u7528 Flashback \u6280\u8853\u3001\u6578\u64da\u6cf5\u5c0e\u51fa\u548c\u5c0e\u5165\u3001\u56de\u6efe\u6bb5\u4ee5\u53ca\u5099\u4efd\u6062\u5fa9\u3002\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53d6\u6c7a\u65bc\u5177\u9ad4\u60c5\u6cc1\u548c\u53ef\u7528\u7684\u8cc7\u6e90\u3002\u70ba\u4e86\u907f\u514d\u672a\u4f86\u7684\u6578\u64da\u4e1f\u5931\uff0c\u5efa\u8b70\u5b9a\u671f\u9032\u884c\u6578\u64da\u5099\u4efd\uff0c\u4e26\u719f\u6089\u6578\u64da\u5eab\u7684\u6062\u5fa9\u529f\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u6709\u6548\u9084\u539f\u8aa4\u522a\u7684\u8868\u683c\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u5b8c\u6574\u6027\uff0c\u907f\u514d\u6578\u64da\u640d\u5931\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-179656","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179656","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=179656"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179656\/revisions"}],"predecessor-version":[{"id":179657,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179656\/revisions\/179657"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}