{"id":92458,"date":"2024-10-19T05:46:17","date_gmt":"2024-10-18T21:46:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/92458\/"},"modified":"2024-10-19T05:46:18","modified_gmt":"2024-10-18T21:46:18","slug":"ora-39927-%e8%a1%a8%e7%a9%ba%e9%96%93-string-%e4%b8%ad%e7%9a%84%e8%a1%a8-string-string-%e5%92%8c%e8%a1%a8-string-string-%e4%b9%8b%e9%96%93%e7%9a%84%e7%af%84%e5%9c%8d-ref-%e7%b4%84%e6%9d%9f%e3%80%82-o","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/92458\/","title":{"rendered":"ORA-39927: \u8868\u7a7a\u9593 string \u4e2d\u7684\u8868 string.string \u548c\u8868 string.string \u4e4b\u9593\u7684\u7bc4\u570d REF \u7d04\u675f\u3002 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-39927-%e8%a1%a8%e7%a9%ba%e9%96%93-string-%e4%b8%ad%e7%9a%84%e8%a1%a8-string-string-%e5%92%8c%e8%a1%a8-string-string-%e4%b9%8b%e9%96%93%e7%9a%84%e7%af%84%e5%9c%8d-ref-%e7%b4%84%e6%9d%9f-uQGtVJRcik\">ORA-39927: \u8868\u7a7a\u9593 string \u4e2d\u7684\u8868 string.string \u548c\u8868 string.string \u4e4b\u9593\u7684\u7bc4\u570d REF \u7d04\u675f<\/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-39927\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u8868\u7a7a\u9593\u4e2d\u7684\u5916\u9375\u7d04\u675f\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u6d89\u53ca\u5230\u8868\u4e4b\u9593\u7684\u53c3\u8003\u5b8c\u6574\u6027\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e ORA-39927 \u932f\u8aa4\u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"ora-39927-%e9%8c%af%e8%aa%a4%e7%9a%84%e6%88%90%e5%9b%a0-uQGtVJRcik\">ORA-39927 \u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p>ORA-39927 \u932f\u8aa4\u7684\u51fa\u73fe\u901a\u5e38\u662f\u56e0\u70ba\u5728\u8868\u7a7a\u9593\u4e2d\uff0c\u5169\u500b\u8868\u4e4b\u9593\u7684\u5916\u9375\u7d04\u675f\u7bc4\u570d\u4e0d\u6b63\u78ba\u3002\u9019\u610f\u5473\u8457\uff0c\u7576\u4f60\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0\u4e00\u500b\u8868\u4e2d\u7684\u6578\u64da\u6642\uff0cOracle \u6578\u64da\u5eab\u7121\u6cd5\u627e\u5230\u8207\u4e4b\u76f8\u5c0d\u61c9\u7684\u53c3\u8003\u6578\u64da\uff0c\u5f9e\u800c\u5c0e\u81f4\u7d04\u675f\u9055\u53cd\u3002<\/p>\n<p>\u5177\u9ad4\u4f86\u8aaa\uff0c\u9019\u500b\u932f\u8aa4\u53ef\u80fd\u7531\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\uff1a<\/p>\n<ul>\n<li><strong>\u5916\u9375\u7d04\u675f\u672a\u6b63\u78ba\u8a2d\u7f6e\uff1a<\/strong>\u5982\u679c\u5728\u5275\u5efa\u8868\u6642\uff0c\u5916\u9375\u7d04\u675f\u672a\u6b63\u78ba\u6307\u5b9a\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6578\u64da\u4e0d\u4e00\u81f4\uff1a<\/strong>\u5982\u679c\u5728\u4e3b\u8868\u4e2d\u522a\u9664\u4e86\u67d0\u4e9b\u884c\uff0c\u800c\u9019\u4e9b\u884c\u5728\u5b50\u8868\u4e2d\u4ecd\u7136\u5b58\u5728\uff0c\u5247\u6703\u5c0e\u81f4\u5916\u9375\u7d04\u675f\u5931\u6548\u3002<\/li>\n<li><strong>\u8868\u7a7a\u9593\u554f\u984c\uff1a<\/strong>\u5982\u679c\u8868\u6240\u5728\u7684\u8868\u7a7a\u9593\u51fa\u73fe\u554f\u984c\uff0c\u4f8b\u5982\u640d\u58de\u6216\u7121\u6cd5\u8a2a\u554f\uff0c\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-39927-%e9%8c%af%e8%aa%a4-uQGtVJRcik\">\u5982\u4f55\u4fee\u5fa9 ORA-39927 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 ORA-39927 \u932f\u8aa4\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-uQGtVJRcik\">1. \u6aa2\u67e5\u5916\u9375\u7d04\u675f<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u6aa2\u67e5\u5c0e\u81f4\u932f\u8aa4\u7684\u5916\u9375\u7d04\u675f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u8868\u7684\u7d04\u675f\uff1a<\/p>\n<pre><code>SELECT constraint_name, table_name, r_constraint_name\nFROM user_constraints\nWHERE table_name = 'YOUR_CHILD_TABLE_NAME';<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709\u8207\u6307\u5b9a\u5b50\u8868\u76f8\u95dc\u7684\u7d04\u675f\u3002\u78ba\u4fdd\u5916\u9375\u7d04\u675f\u6b63\u78ba\u6307\u5411\u4e3b\u8868\u7684\u4e3b\u9375\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7-uQGtVJRcik\">2. \u78ba\u8a8d\u6578\u64da\u4e00\u81f4\u6027<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6aa2\u67e5\u4e3b\u8868\u548c\u5b50\u8868\u4e4b\u9593\u7684\u6578\u64da\u4e00\u81f4\u6027\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u627e\u4e0d\u4e00\u81f4\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT *\nFROM YOUR_CHILD_TABLE_NAME\nWHERE foreign_key_column NOT IN (SELECT primary_key_column FROM YOUR_PARENT_TABLE_NAME);<\/code><\/pre>\n<p>\u5982\u679c\u67e5\u8a62\u8fd4\u56de\u4efb\u4f55\u884c\uff0c\u5247\u8868\u793a\u5b58\u5728\u4e0d\u4e00\u81f4\u7684\u6578\u64da\uff0c\u60a8\u9700\u8981\u6839\u64da\u696d\u52d9\u9700\u6c42\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\uff0c\u4f8b\u5982\u522a\u9664\u6216\u66f4\u65b0\u9019\u4e9b\u884c\u3002<\/p>\n<h3 id=\"3-%e4%bf%ae%e5%be%a9%e8%a1%a8%e7%a9%ba%e9%96%93%e5%95%8f%e9%a1%8c-uQGtVJRcik\">3. \u4fee\u5fa9\u8868\u7a7a\u9593\u554f\u984c<\/h3>\n<p>\u5982\u679c\u8868\u7a7a\u9593\u51fa\u73fe\u554f\u984c\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u6aa2\u67e5\u8868\u7a7a\u9593\u7684\u72c0\u614b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u8868\u7a7a\u9593\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT tablespace_name, status\nFROM dba_tablespaces\nWHERE tablespace_name = 'YOUR_TABLESPACE_NAME';<\/code><\/pre>\n<p>\u5982\u679c\u8868\u7a7a\u9593\u7684\u72c0\u614b\u986f\u793a\u70ba &#8216;OFFLINE&#8217; \u6216 &#8216;READ ONLY&#8217;\uff0c\u5247\u9700\u8981\u5c07\u5176\u8a2d\u7f6e\u70ba &#8216;ONLINE&#8217;\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-39927-%e9%8c%af%e8%aa%a4-uQGtVJRcik\">\u9060\u7a0b\u8655\u7406 ORA-39927 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u9032\u884c\u4fee\u5fa9\u3002\u9019\u6642\uff0c\u9060\u7a0b\u8655\u7406\u6210\u70ba\u4e00\u500b\u6709\u6548\u7684\u9078\u64c7\u3002\u8a31\u591a\u6578\u64da\u5eab\u7ba1\u7406\u670d\u52d9\u63d0\u4f9b\u5546\u53ef\u4ee5\u901a\u904e\u9060\u7a0b\u9023\u63a5\u5354\u52a9\u60a8\u89e3\u6c7a\u6b64\u985e\u554f\u984c\u3002\u78ba\u4fdd\u9078\u64c7\u4e00\u500b\u53ef\u9760\u7684\u670d\u52d9\u63d0\u4f9b\u5546\uff0c\u4ee5\u4fbf\u5feb\u901f\u6709\u6548\u5730\u89e3\u6c7a\u554f\u984c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-uQGtVJRcik\">\u7e3d\u7d50<\/h2>\n<p>ORA-39927 \u932f\u8aa4\u901a\u5e38\u8207\u8868\u7a7a\u9593\u4e2d\u7684\u5916\u9375\u7d04\u675f\u6709\u95dc\uff0c\u89e3\u6c7a\u6b64\u554f\u984c\u9700\u8981\u6aa2\u67e5\u7d04\u675f\u3001\u6578\u64da\u4e00\u81f4\u6027\u53ca\u8868\u7a7a\u9593\u72c0\u614b\u3002\u5c0d\u65bc\u7121\u6cd5\u76f4\u63a5\u8655\u7406\u7684\u60c5\u6cc1\uff0c\u8003\u616e\u5c0b\u6c42\u5c08\u696d\u7684\u9060\u7a0b\u652f\u6301\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-39927 \u932f\u8aa4\uff0c\u4fee\u5fa9\u8868\u7a7a\u9593\u4e2d\u8868\u4e4b\u9593\u7684\u7bc4\u570d REF \u7d04\u675f\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684 Oracle \u6545\u969c\u6392\u9664\u548c\u9060\u7a0b\u8655\u7406\u65b9\u6848\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-92458","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92458","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=92458"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92458\/revisions"}],"predecessor-version":[{"id":92459,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92458\/revisions\/92459"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=92458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=92458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=92458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}