{"id":92092,"date":"2024-10-19T02:43:21","date_gmt":"2024-10-18T18:43:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/92092\/"},"modified":"2024-10-19T02:43:22","modified_gmt":"2024-10-18T18:43:22","slug":"ora-38751-flashback-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e8%aa%8c-string-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%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/92092\/","title":{"rendered":"ORA-38751: Flashback \u6578\u64da\u5eab\u65e5\u8a8c: \u201cstring\u201d ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-38751-flashback-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e8%aa%8c-string-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%e8%99%95%e7%90%86-bJwIHSFoJk\">ORA-38751: Flashback \u6578\u64da\u5eab\u65e5\u8a8c: \u201cstring\u201d 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 ORA-38751\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207 Flashback \u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6709\u95dc\uff0c\u4e26\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e ORA-38751 \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u4fee\u5fa9\u65b9\u6cd5\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u548c\u8655\u7406\u9019\u4e00\u554f\u984c\u3002<\/p>\n<h2 id=\"ora-38751-%e9%8c%af%e8%aa%a4%e6%a6%82%e8%bf%b0-bJwIHSFoJk\">ORA-38751 \u932f\u8aa4\u6982\u8ff0<\/h2>\n<p>ORA-38751 \u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u7528\u6236\u5617\u8a66\u57f7\u884c Flashback \u6578\u64da\u5eab\u64cd\u4f5c\u6642\u3002\u9019\u500b\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\uff1a\u201cFlashback \u6578\u64da\u5eab\u65e5\u8a8c: &#8216;string&#8217;\u201d\u3002\u9019\u610f\u5473\u8457\u5728 Flashback \u64cd\u4f5c\u904e\u7a0b\u4e2d\uff0cOracle \u6578\u64da\u5eab\u7121\u6cd5\u627e\u5230\u6216\u8a2a\u554f\u6240\u9700\u7684\u65e5\u8a8c\u6587\u4ef6\uff0c\u5f9e\u800c\u5c0e\u81f4\u64cd\u4f5c\u5931\u6557\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-bJwIHSFoJk\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>\u9020\u6210 ORA-38751 \u932f\u8aa4\u7684\u539f\u56e0\u53ef\u80fd\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u65e5\u8a8c\u6587\u4ef6\u4e1f\u5931\uff1a<\/strong>\u5982\u679c Flashback \u65e5\u8a8c\u6587\u4ef6\u88ab\u610f\u5916\u522a\u9664\u6216\u640d\u58de\uff0c\u6578\u64da\u5eab\u5c07\u7121\u6cd5\u57f7\u884c Flashback \u64cd\u4f5c\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6587\u4ef6\u8def\u5f91\u932f\u8aa4\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u914d\u7f6e\u4e2d\u7684\u65e5\u8a8c\u6587\u4ef6\u8def\u5f91\u4e0d\u6b63\u78ba\uff0c\u5247\u6703\u5c0e\u81f4\u7121\u6cd5\u627e\u5230\u76f8\u61c9\u7684\u65e5\u8a8c\u6587\u4ef6\u3002<\/li>\n<li><strong>\u5b58\u5132\u7a7a\u9593\u4e0d\u8db3\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u6240\u5728\u7684\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u65e5\u8a8c\u6587\u4ef6\u7121\u6cd5\u5beb\u5165\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u672a\u6b63\u78ba\u914d\u7f6e\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u7684 Flashback \u529f\u80fd\u672a\u6b63\u78ba\u555f\u7528\uff0c\u5247\u53ef\u80fd\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-bJwIHSFoJk\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u7576\u9047\u5230 ORA-38751 \u932f\u8aa4\u6642\uff0c\u7528\u6236\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\u548c\u4fee\u5fa9\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6-bJwIHSFoJk\">1. \u6aa2\u67e5\u65e5\u8a8c\u6587\u4ef6<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5 Flashback \u65e5\u8a8c\u6587\u4ef6\u662f\u5426\u5b58\u5728\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u65e5\u8a8c\u6587\u4ef6\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT * FROM V$FLASHBACK_LOG;<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u65e5\u8a8c\u6587\u4ef6\u4e1f\u5931\u6216\u640d\u58de\uff0c\u5247\u9700\u8981\u6062\u5fa9\u9019\u4e9b\u6587\u4ef6\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%91-bJwIHSFoJk\">2. \u6aa2\u67e5\u65e5\u8a8c\u6587\u4ef6\u8def\u5f91<\/h3>\n<p>\u78ba\u4fdd\u6578\u64da\u5eab\u914d\u7f6e\u4e2d\u7684\u65e5\u8a8c\u6587\u4ef6\u8def\u5f91\u6b63\u78ba\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u914d\u7f6e\uff1a<\/p>\n<pre><code>SHOW PARAMETER flashback;<\/code><\/pre>\n<p>\u5982\u679c\u8def\u5f91\u4e0d\u6b63\u78ba\uff0c\u8acb\u4f7f\u7528 ALTER SYSTEM \u547d\u4ee4\u9032\u884c\u4fee\u6b63\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e5%ad%98%e5%84%b2%e7%a9%ba%e9%96%93-bJwIHSFoJk\">3. \u6aa2\u67e5\u5b58\u5132\u7a7a\u9593<\/h3>\n<p>\u6aa2\u67e5\u6578\u64da\u5eab\u6240\u5728\u7684\u78c1\u789f\u7a7a\u9593\u662f\u5426\u8db3\u5920\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u78c1\u789f\u7a7a\u9593\uff1a<\/p>\n<pre><code>SELECT * FROM DBA_DATA_FILES;<\/code><\/pre>\n<p>\u5982\u679c\u7a7a\u9593\u4e0d\u8db3\uff0c\u5247\u9700\u8981\u91cb\u653e\u7a7a\u9593\u6216\u64f4\u5c55\u5b58\u5132\u3002<\/p>\n<h3 id=\"4-%e5%95%9f%e7%94%a8-flashback-%e5%8a%9f%e8%83%bd-bJwIHSFoJk\">4. \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>\u78ba\u4fdd\u5728\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u4e4b\u524d\uff0c\u6578\u64da\u5eab\u5df2\u6b63\u78ba\u914d\u7f6e\u4ee5\u652f\u6301 Flashback\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e5%bb%ba%e8%ad%b0-bJwIHSFoJk\">\u9060\u7a0b\u8655\u7406\u5efa\u8b70<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u4f3a\u670d\u5668\u3002\u6b64\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9060\u7a0b\u7ba1\u7406\u5de5\u5177\u9032\u884c\u6545\u969c\u6392\u9664\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 SSH \u9023\u63a5\uff1a<\/strong>\u901a\u904e SSH \u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u57f7\u884c\u5fc5\u8981\u7684\u67e5\u8a62\u548c\u547d\u4ee4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u904b\u884c\u5728 Windows \u74b0\u5883\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\u9032\u884c\u7ba1\u7406\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff1a<\/strong>\u5982 Oracle SQL Developer \u7b49\u5de5\u5177\uff0c\u53ef\u4ee5\u9060\u7a0b\u9023\u63a5\u4e26\u57f7\u884c\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bJwIHSFoJk\">\u7e3d\u7d50<\/h2>\n<p>ORA-38751 \u932f\u8aa4\u662f Oracle \u6578\u64da\u5eab\u7ba1\u7406\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\u54e1\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u6aa2\u67e5\u65e5\u8a8c\u6587\u4ef6\u3001\u8def\u5f91\u3001\u5b58\u5132\u7a7a\u9593\u4ee5\u53ca Flashback \u529f\u80fd\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u904b\u884c\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u8655\u7406 ORA-38751 \u932f\u8aa4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-38751 \u932f\u8aa4\uff0c\u4e86\u89e3 Flashback \u6578\u64da\u5eab\u65e5\u8a8c\u554f\u984c\u53ca\u5176\u9060\u7a0b\u8655\u7406\u65b9\u6cd5\uff0c\u78ba\u4fdd Oracle \u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u8207\u5b89\u5168\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-92092","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92092","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=92092"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92092\/revisions"}],"predecessor-version":[{"id":92093,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92092\/revisions\/92093"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=92092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=92092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=92092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}