{"id":92104,"date":"2024-10-19T02:49:19","date_gmt":"2024-10-18T18:49:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/92104\/"},"modified":"2024-10-19T02:49:19","modified_gmt":"2024-10-18T18:49:19","slug":"ora-38764-flashback-%e5%b0%9a%e6%9c%aa%e9%96%8b%e5%a7%8b%ef%bc%9b%e6%95%b8%e6%93%9a%e6%96%87%e4%bb%b6-string-%e7%9a%84%e5%b7%b2%e5%95%9f%e7%94%a8%e7%b7%9a%e7%a8%8b%e4%b8%8d%e5%90%8c-oracle-%e5%a0%b1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/92104\/","title":{"rendered":"ORA-38764: Flashback \u5c1a\u672a\u958b\u59cb\uff1b\u6578\u64da\u6587\u4ef6 string \u7684\u5df2\u555f\u7528\u7dda\u7a0b\u4e0d\u540c ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-38764-flashback-%e5%b0%9a%e6%9c%aa%e9%96%8b%e5%a7%8b%ef%bc%9b%e6%95%b8%e6%93%9a%e6%96%87%e4%bb%b6-string-%e7%9a%84%e5%b7%b2%e5%95%9f%e7%94%a8%e7%b7%9a%e7%a8%8b%e4%b8%8d%e5%90%8c-oracle-%e5%a0%b1-jiZNvKsjnu\">ORA-38764: Flashback \u5c1a\u672a\u958b\u59cb\uff1b\u6578\u64da\u6587\u4ef6 string \u7684\u5df2\u555f\u7528\u7dda\u7a0b\u4e0d\u540c ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-38764<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207 Flashback \u529f\u80fd\u6709\u95dc\uff0c\u4e26\u4e14\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u6062\u5fa9\u904e\u7a0b\u4e2d\u7684\u56f0\u96e3\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-38764<\/code> \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-jiZNvKsjnu\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p><code>ORA-38764<\/code> \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u6578\u64da\u6587\u4ef6\u7684 Flashback \u529f\u80fd\u672a\u80fd\u555f\u52d5\uff0c\u9019\u901a\u5e38\u662f\u56e0\u70ba\u6578\u64da\u6587\u4ef6\u7684\u7dda\u7a0b\u8207\u7576\u524d\u7684\u7dda\u7a0b\u4e0d\u4e00\u81f4\u3002\u9019\u7a2e\u60c5\u6cc1\u53ef\u80fd\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u6587\u4ef6\u5728\u4e0d\u540c\u7684\u7dda\u7a0b\u4e2d\u88ab\u5275\u5efa\u6216\u4fee\u6539\u3002<\/li>\n<li>\u6578\u64da\u5eab\u7684\u6062\u5fa9\u7b56\u7565\u672a\u6b63\u78ba\u914d\u7f6e\u3002<\/li>\n<li>\u6578\u64da\u5eab\u5728\u9032\u884c Flashback \u64cd\u4f5c\u6642\uff0c\u67d0\u4e9b\u6578\u64da\u6587\u4ef6\u7684\u72c0\u614b\u4e0d\u6b63\u78ba\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%bd%b1%e9%9f%bf-jiZNvKsjnu\">\u932f\u8aa4\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe <code>ORA-38764<\/code> \u932f\u8aa4\u6642\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5c07\u7121\u6cd5\u4f7f\u7528 Flashback \u529f\u80fd\u4f86\u6062\u5fa9\u6578\u64da\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u6216\u7121\u6cd5\u8a2a\u554f\u3002\u9019\u5c0d\u65bc\u4f9d\u8cf4\u6578\u64da\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u53ef\u80fd\u6703\u9020\u6210\u56b4\u91cd\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-jiZNvKsjnu\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a <code>ORA-38764<\/code> \u932f\u8aa4\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e6%96%87%e4%bb%b6%e7%8b%80%e6%85%8b-jiZNvKsjnu\">1. \u6aa2\u67e5\u6578\u64da\u6587\u4ef6\u72c0\u614b<\/h3>\n<p>\u9996\u5148\uff0c\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u6578\u64da\u6587\u4ef6\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT file_name, status, thread# FROM v$datafile;<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709\u6578\u64da\u6587\u4ef6\u7684\u7dda\u7a0b\u8207\u7576\u524d\u6578\u64da\u5eab\u7684\u7dda\u7a0b\u4e00\u81f4\u3002\u5982\u679c\u767c\u73fe\u4e0d\u4e00\u81f4\uff0c\u5247\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<h3 id=\"2-%e9%87%8d%e6%96%b0%e5%95%9f%e7%94%a8-flashback-%e5%8a%9f%e8%83%bd-jiZNvKsjnu\">2. \u91cd\u65b0\u555f\u7528 Flashback \u529f\u80fd<\/h3>\n<p>\u5982\u679c Flashback \u529f\u80fd\u672a\u555f\u7528\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u555f\u7528\uff1a<\/p>\n<pre><code>ALTER DATABASE FLASHBACK ON;<\/code><\/pre>\n<p>\u9019\u5c07\u78ba\u4fdd\u6578\u64da\u5eab\u53ef\u4ee5\u4f7f\u7528 Flashback \u529f\u80fd\u9032\u884c\u6062\u5fa9\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%81%a2%e5%be%a9%e7%ad%96%e7%95%a5-jiZNvKsjnu\">3. \u6aa2\u67e5\u6062\u5fa9\u7b56\u7565<\/h3>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u6062\u5fa9\u7b56\u7565\u6b63\u78ba\u914d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u6062\u5fa9\u7b56\u7565\uff1a<\/p>\n<pre><code>SHOW PARAMETER FLASHBACK;<\/code><\/pre>\n<p>\u6839\u64da\u9700\u8981\u8abf\u6574\u53c3\u6578\uff0c\u4ee5\u78ba\u4fdd Flashback \u529f\u80fd\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h3 id=\"4-%e9%87%8d%e6%96%b0%e5%95%9f%e5%8b%95%e6%95%b8%e6%93%9a%e5%ba%ab-jiZNvKsjnu\">4. \u91cd\u65b0\u555f\u52d5\u6578\u64da\u5eab<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u91cd\u65b0\u555f\u52d5\u6578\u64da\u5eab\u53ef\u80fd\u6709\u52a9\u65bc\u89e3\u6c7a\u554f\u984c\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u65b0\u555f\u52d5\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>SHUTDOWN IMMEDIATE;\nSTARTUP;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-jiZNvKsjnu\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c<code>ORA-38764<\/code> \u932f\u8aa4\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4e86\u89e3\u5176\u539f\u56e0\u548c\u89e3\u6c7a\u65b9\u6cd5\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u6587\u4ef6\u72c0\u614b\u3001\u91cd\u65b0\u555f\u7528 Flashback \u529f\u80fd\u3001\u6aa2\u67e5\u6062\u5fa9\u7b56\u7565\u4ee5\u53ca\u5fc5\u8981\u6642\u91cd\u65b0\u555f\u52d5\u6578\u64da\u5eab\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u932f\u8aa4\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u6545\u969c\u6392\u9664\u7684\u8cc7\u8a0a\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u7372\u53d6\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u7684\u8cc7\u6e90\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-38764 \u932f\u8aa4\uff1aFlashback \u5c1a\u672a\u958b\u59cb\uff0c\u6578\u64da\u6587\u4ef6\u7dda\u7a0b\u4e0d\u4e00\u81f4\u7684\u6545\u969c\u4fee\u5fa9\u8207\u9060\u7a0b\u8655\u7406\u6307\u5357\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-92104","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92104","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=92104"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92104\/revisions"}],"predecessor-version":[{"id":92105,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92104\/revisions\/92105"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=92104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=92104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=92104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}