{"id":92096,"date":"2024-10-19T02:45:16","date_gmt":"2024-10-18T18:45:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/92096\/"},"modified":"2024-10-19T02:45:17","modified_gmt":"2024-10-18T18:45:17","slug":"ora-38755-%e6%ad%a4%e8%a1%a8%e7%a9%ba%e9%96%93%e7%9a%84-flashback-%e5%b7%b2%e7%b6%93%e5%95%9f%e7%94%a8%e3%80%82-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/92096\/","title":{"rendered":"ORA-38755: \u6b64\u8868\u7a7a\u9593\u7684 Flashback \u5df2\u7d93\u555f\u7528\u3002 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-38755-%e6%ad%a4%e8%a1%a8%e7%a9%ba%e9%96%93%e7%9a%84-flashback-%e5%b7%b2%e7%b6%93%e5%95%9f%e7%94%a8-pOvmJfYvGH\">ORA-38755: \u6b64\u8868\u7a7a\u9593\u7684 Flashback \u5df2\u7d93\u555f\u7528<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f ORA-38755\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u5728\u5617\u8a66\u9032\u884c\u67d0\u4e9b\u64cd\u4f5c\u6642\uff0c\u76ee\u6a19\u8868\u7a7a\u9593\u7684 Flashback \u529f\u80fd\u5df2\u7d93\u555f\u7528\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"ora-38755-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-pOvmJfYvGH\">ORA-38755 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-38755 \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u7576\u524d\u8868\u7a7a\u9593\u7684 Flashback \u529f\u80fd\u5df2\u7d93\u555f\u7528\u3002Flashback \u662f Oracle \u63d0\u4f9b\u7684\u4e00\u7a2e\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u67e5\u770b\u548c\u6062\u5fa9\u6578\u64da\u5eab\u7684\u6b77\u53f2\u72c0\u614b\u3002\u7576 Flashback \u529f\u80fd\u555f\u7528\u6642\uff0c\u6578\u64da\u5eab\u6703\u4fdd\u7559\u984d\u5916\u7684\u6578\u64da\uff0c\u4ee5\u4fbf\u5728\u9700\u8981\u6642\u9032\u884c\u6062\u5fa9\u3002<\/p>\n<p>\u9019\u500b\u932f\u8aa4\u901a\u5e38\u5728\u4ee5\u4e0b\u60c5\u6cc1\u4e0b\u51fa\u73fe\uff1a<\/p>\n<ul>\n<li>\u5617\u8a66\u522a\u9664\u6216\u4fee\u6539\u4e00\u500b\u5df2\u555f\u7528 Flashback \u7684\u8868\u7a7a\u9593\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u5eab\u5099\u4efd\u6216\u6062\u5fa9\u64cd\u4f5c\u6642\uff0c\u672a\u6b63\u78ba\u914d\u7f6e Flashback\u3002<\/li>\n<li>\u6578\u64da\u5eab\u7684\u914d\u7f6e\u6216\u53c3\u6578\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u5c0e\u81f4 Flashback \u529f\u80fd\u7121\u6cd5\u6b63\u5e38\u904b\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-38755-%e9%8c%af%e8%aa%a4-pOvmJfYvGH\">\u5982\u4f55\u4fee\u5fa9 ORA-38755 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 ORA-38755 \u932f\u8aa4\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d-flashback-%e7%8b%80%e6%85%8b-pOvmJfYvGH\">1. \u78ba\u8a8d Flashback \u72c0\u614b<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u8a8d\u76ee\u6a19\u8868\u7a7a\u9593\u7684 Flashback \u72c0\u614b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\uff1a<\/p>\n<pre><code>SELECT tablespace_name, flashback_on FROM dba_tablespaces;<\/code><\/pre>\n<h3 id=\"2-%e7%a6%81%e7%94%a8-flashback-%e5%8a%9f%e8%83%bd-pOvmJfYvGH\">2. \u7981\u7528 Flashback \u529f\u80fd<\/h3>\n<p>\u5982\u679c\u78ba\u5b9a\u9700\u8981\u7981\u7528 Flashback \u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ALTER TABLESPACE your_tablespace_name FLASHBACK OFF;<\/code><\/pre>\n<p>\u8acb\u6ce8\u610f\uff0c\u7981\u7528 Flashback \u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u6062\u5fa9\u7684\u80fd\u529b\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u6b64\u64cd\u4f5c\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u5df2\u7d93\u505a\u597d\u6578\u64da\u5099\u4efd\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%83%e6%95%b8-pOvmJfYvGH\">3. \u6aa2\u67e5\u6578\u64da\u5eab\u53c3\u6578<\/h3>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u53c3\u6578\u8a2d\u7f6e\u6b63\u78ba\uff0c\u7279\u5225\u662f\u8207 Flashback \u76f8\u95dc\u7684\u53c3\u6578\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u53c3\u6578\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SHOW PARAMETER flashback;<\/code><\/pre>\n<h3 id=\"4-%e9%80%b2%e8%a1%8c%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-pOvmJfYvGH\">4. \u9032\u884c\u9060\u7a0b\u8655\u7406<\/h3>\n<p>\u5982\u679c\u60a8\u7121\u6cd5\u5728\u672c\u5730\u89e3\u6c7a\u554f\u984c\uff0c\u53ef\u4ee5\u8003\u616e\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u8207\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u6216\u6280\u8853\u652f\u6301\u5718\u968a\u7684\u5408\u4f5c\uff0c\u4ee5\u4fbf\u66f4\u6df1\u5165\u5730\u5206\u6790\u554f\u984c\u4e26\u627e\u5230\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-pOvmJfYvGH\">\u7d50\u8ad6<\/h2>\n<p>ORA-38755 \u932f\u8aa4\u662f Oracle \u6578\u64da\u5eab\u4e2d\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\uff0c\u4e86\u89e3\u5176\u539f\u56e0\u548c\u4fee\u5fa9\u65b9\u6cd5\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u78ba\u8a8d Flashback \u72c0\u614b\u3001\u7981\u7528 Flashback \u529f\u80fd\u3001\u6aa2\u67e5\u6578\u64da\u5eab\u53c3\u6578\u4ee5\u53ca\u9032\u884c\u5fc5\u8981\u7684\u9060\u7a0b\u8655\u7406\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u932f\u8aa4\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/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>\u89e3\u6c7a ORA-38755 \u932f\u8aa4\uff0c\u4e86\u89e3 Flashback \u529f\u80fd\u5728 Oracle \u4e2d\u7684\u5f71\u97ff\uff0c\u4e26\u7372\u53d6\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u7684\u6709\u6548\u65b9\u6cd5\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-92096","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92096","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=92096"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92096\/revisions"}],"predecessor-version":[{"id":92097,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92096\/revisions\/92097"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=92096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=92096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=92096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}