{"id":95494,"date":"2024-10-20T01:31:17","date_gmt":"2024-10-19T17:31:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95494\/"},"modified":"2024-10-20T01:31:18","modified_gmt":"2024-10-19T17:31:18","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%abredo%e6%95%85%e9%9a%9c%e7%9a%84%e6%81%a2%e5%be%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95494\/","title":{"rendered":"Oracle\u6578\u64da\u5eabRedo\u6545\u969c\u7684\u6062\u5fa9"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%abredo%e6%95%85%e9%9a%9c%e7%9a%84%e6%81%a2%e5%be%a9-GeDAILjlYO\">Oracle\u6578\u64da\u5eabRedo\u6545\u969c\u7684\u6062\u5fa9<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cOracle\u6578\u64da\u5eab\u4ee5\u5176\u7a69\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u800c\u805e\u540d\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\u548c\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u6578\u64da\u5eab\u7684\u6545\u969c\u98a8\u96aa\u4e5f\u96a8\u4e4b\u4e0a\u5347\u3002\u5176\u4e2d\uff0cRedo\u65e5\u8a8c\u7684\u6545\u969c\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u6216\u6578\u64da\u5eab\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u6578\u64da\u5eabRedo\u6545\u969c\u7684\u539f\u56e0\u53ca\u5176\u6062\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"redo%e6%97%a5%e8%aa%8c%e7%9a%84%e4%bd%9c%e7%94%a8-GeDAILjlYO\">Redo\u65e5\u8a8c\u7684\u4f5c\u7528<\/h2>\n<p>Redo\u65e5\u8a8c\u662fOracle\u6578\u64da\u5eab\u4e2d\u4e00\u500b\u95dc\u9375\u7684\u7d44\u4ef6\uff0c\u4e3b\u8981\u7528\u65bc\u8a18\u9304\u6240\u6709\u5c0d\u6578\u64da\u5eab\u7684\u66f4\u6539\u64cd\u4f5c\u3002\u9019\u4e9b\u65e5\u8a8c\u4e0d\u50c5\u7528\u65bc\u6578\u64da\u6062\u5fa9\uff0c\u9084\u80fd\u5728\u7cfb\u7d71\u5d29\u6f70\u6216\u6545\u969c\u5f8c\u5e6b\u52a9\u6578\u64da\u5eab\u6062\u5fa9\u5230\u6700\u8fd1\u7684\u72c0\u614b\u3002Redo\u65e5\u8a8c\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u8a18\u9304\u6240\u6709DML\uff08\u6578\u64da\u64cd\u4f5c\u8a9e\u8a00\uff09\u64cd\u4f5c\uff0c\u5982INSERT\u3001UPDATE\u548cDELETE\u3002<\/li>\n<li>\u652f\u6301\u6578\u64da\u5eab\u7684\u6062\u5fa9\u904e\u7a0b\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li>\n<li>\u5728\u6578\u64da\u5eab\u904b\u884c\u6642\uff0c\u63d0\u4f9b\u5373\u6642\u7684\u6578\u64da\u4fdd\u8b77\u3002<\/li>\n<\/ul>\n<h2 id=\"redo%e6%95%85%e9%9a%9c%e7%9a%84%e5%8e%9f%e5%9b%a0-GeDAILjlYO\">Redo\u6545\u969c\u7684\u539f\u56e0<\/h2>\n<p>Redo\u6545\u969c\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u786c\u9ad4\u6545\u969c\uff1a<\/strong>\u786c\u789f\u640d\u58de\u6216\u5176\u4ed6\u786c\u9ad4\u554f\u984c\u53ef\u80fd\u5c0e\u81f4Redo\u65e5\u8a8c\u7121\u6cd5\u6b63\u5e38\u5beb\u5165\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u5d29\u6f70\uff1a<\/strong>\u64cd\u4f5c\u7cfb\u7d71\u7684\u5d29\u6f70\u6216\u91cd\u555f\u53ef\u80fd\u6703\u4e2d\u65b7Redo\u65e5\u8a8c\u7684\u5beb\u5165\u904e\u7a0b\u3002<\/li>\n<li><strong>\u914d\u7f6e\u932f\u8aa4\uff1a<\/strong>\u4e0d\u7576\u7684\u6578\u64da\u5eab\u914d\u7f6e\u53ef\u80fd\u5c0e\u81f4Redo\u65e5\u8a8c\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"redo%e6%95%85%e9%9a%9c%e7%9a%84%e6%81%a2%e5%be%a9%e6%96%b9%e6%b3%95-GeDAILjlYO\">Redo\u6545\u969c\u7684\u6062\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u7576Redo\u65e5\u8a8c\u767c\u751f\u6545\u969c\u6642\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6062\u5fa9\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5redo%e6%97%a5%e8%aa%8c%e7%9a%84%e7%8b%80%e6%85%8b-GeDAILjlYO\">1. \u6aa2\u67e5Redo\u65e5\u8a8c\u7684\u72c0\u614b<\/h3>\n<p>\u9996\u5148\uff0c\u7ba1\u7406\u54e1\u9700\u8981\u6aa2\u67e5Redo\u65e5\u8a8c\u7684\u72c0\u614b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5Redo\u65e5\u8a8c\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT * FROM V$LOG;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709Redo\u65e5\u8a8c\u7684\u72c0\u614b\uff0c\u5305\u62ec\u662f\u5426\u6709\u4efb\u4f55\u65e5\u8a8c\u8655\u65bc\u640d\u58de\u72c0\u614b\u3002<\/p>\n<h3 id=\"2-%e6%81%a2%e5%be%a9redo%e6%97%a5%e8%aa%8c-GeDAILjlYO\">2. \u6062\u5fa9Redo\u65e5\u8a8c<\/h3>\n<p>\u5982\u679c\u767c\u73feRedo\u65e5\u8a8c\u640d\u58de\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6062\u5fa9\uff1a<\/p>\n<ul>\n<li>\u9996\u5148\uff0c\u78ba\u4fdd\u6709\u6700\u65b0\u7684\u5099\u4efd\u3002\u5982\u679c\u6c92\u6709\u5099\u4efd\uff0c\u5247\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u6062\u5fa9\u65b9\u6cd5\u3002<\/li>\n<li>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6062\u5fa9Redo\u65e5\u8a8c\uff1a<\/li>\n<\/ul>\n<pre><code>ALTER DATABASE RECOVER LOG FILE 'path_to_redo_log';<\/code><\/pre>\n<p>\u9019\u5c07\u5617\u8a66\u5f9e\u5099\u4efd\u4e2d\u6062\u5fa9Redo\u65e5\u8a8c\u3002<\/p>\n<h3 id=\"3-%e9%87%8d%e6%96%b0%e5%95%9f%e5%8b%95%e6%95%b8%e6%93%9a%e5%ba%ab-GeDAILjlYO\">3. \u91cd\u65b0\u555f\u52d5\u6578\u64da\u5eab<\/h3>\n<p>\u5728Redo\u65e5\u8a8c\u6062\u5fa9\u5f8c\uff0c\u7ba1\u7406\u54e1\u61c9\u91cd\u65b0\u555f\u52d5\u6578\u64da\u5eab\u4ee5\u78ba\u4fdd\u6240\u6709\u66f4\u6539\u90fd\u5df2\u6b63\u78ba\u61c9\u7528\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u65b0\u555f\u52d5\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>SHUTDOWN IMMEDIATE;\nSTARTUP;<\/code><\/pre>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e9%a9%97%e8%ad%89-GeDAILjlYO\">4. \u76e3\u63a7\u548c\u9a57\u8b49<\/h3>\n<p>\u6700\u5f8c\uff0c\u7ba1\u7406\u54e1\u61c9\u6301\u7e8c\u76e3\u63a7\u6578\u64da\u5eab\u7684\u904b\u884c\u72c0\u614b\uff0c\u4e26\u9a57\u8b49\u6240\u6709\u6578\u64da\u662f\u5426\u6b63\u78ba\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u5b8c\u6574\u6027\uff1a<\/p>\n<pre><code>SELECT * FROM V$DATABASE;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-GeDAILjlYO\">\u7d50\u8ad6<\/h2>\n<p>Redo\u65e5\u8a8c\u5728Oracle\u6578\u64da\u5eab\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u4e86\u89e3\u5176\u6545\u969c\u539f\u56e0\u53ca\u6062\u5fa9\u65b9\u6cd5\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5b9a\u671f\u5099\u4efd\u548c\u76e3\u63a7\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u964d\u4f4eRedo\u6545\u969c\u7684\u98a8\u96aa\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u6578\u64da\u5eabRedo\u6545\u969c\u7684\u6062\u5fa9\u904e\u7a0b\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u7cfb\u7d71\u7a69\u5b9a\u6027\uff0c\u63d0\u5347\u696d\u52d9\u9023\u7e8c\u6027\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-95494","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95494","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=95494"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95494\/revisions"}],"predecessor-version":[{"id":95495,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95494\/revisions\/95495"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}