{"id":83467,"date":"2024-10-16T23:52:15","date_gmt":"2024-10-16T15:52:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/83467\/"},"modified":"2024-10-16T23:52:15","modified_gmt":"2024-10-16T15:52:15","slug":"ora-02280-%e9%87%8d%e8%a4%87%e6%88%96%e8%a1%9d%e7%aa%81%e7%9a%84-cycle-nocycle-%e8%a6%8f%e7%af%84-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\/83467\/","title":{"rendered":"ORA-02280: \u91cd\u8907\u6216\u885d\u7a81\u7684 CYCLE\/NOCYCLE \u898f\u7bc4 ORACLE\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-02280-%e9%87%8d%e8%a4%87%e6%88%96%e8%a1%9d%e7%aa%81%e7%9a%84-cycle-nocycle-%e8%a6%8f%e7%af%84-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-unVmPJaHnw\">ORA-02280: \u91cd\u8907\u6216\u885d\u7a81\u7684 CYCLE\/NOCYCLE \u898f\u7bc4 ORACLE\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\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\u662fORA-02280\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u7d04\u675f\u689d\u4ef6\u7684\u5b9a\u7fa9\u6709\u95dc\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5c64\u6b21\u7d50\u69cb\u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eORA-02280\u932f\u8aa4\u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"ora-02280%e9%8c%af%e8%aa%a4%e7%9a%84%e6%88%90%e5%9b%a0-unVmPJaHnw\">ORA-02280\u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p>ORA-02280\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u300c\u91cd\u8907\u6216\u885d\u7a81\u7684 CYCLE\/NOCYCLE \u898f\u7bc4\u300d\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u5275\u5efa\u6216\u4fee\u6539\u8868\u7684\u6642\u5019\uff0c\u7576\u4f60\u8a66\u5716\u5b9a\u7fa9\u4e00\u500b\u5c64\u6b21\u7d50\u69cb\u7684\u5916\u9375\u7d04\u675f\u6642\u3002\u5982\u679c\u5728\u540c\u4e00\u500b\u7d04\u675f\u4e2d\u540c\u6642\u4f7f\u7528\u4e86CYCLE\u548cNOCYCLE\uff0cOracle\u5c07\u7121\u6cd5\u78ba\u5b9a\u5982\u4f55\u8655\u7406\u9019\u500b\u7d04\u675f\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-unVmPJaHnw\">\u793a\u4f8b<\/h3>\n<pre><code>CREATE TABLE employees (\n    employee_id NUMBER PRIMARY KEY,\n    manager_id NUMBER,\n    CONSTRAINT emp_mgr_fk FOREIGN KEY (manager_id)\n    REFERENCES employees (employee_id)\n    CYCLE\n);<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u82e5\u540c\u6642\u5b9a\u7fa9\u4e86CYCLE\u548cNOCYCLE\uff0c\u5247\u6703\u5c0e\u81f4ORA-02280\u932f\u8aa4\u3002\u9019\u662f\u56e0\u70baOracle\u7121\u6cd5\u78ba\u5b9a\u5982\u4f55\u8655\u7406\u9019\u7a2e\u885d\u7a81\u7684\u7d04\u675f\u689d\u4ef6\u3002<\/p>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-unVmPJaHnw\">\u5f71\u97ff<\/h2>\n<p>ORA-02280\u932f\u8aa4\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002\u7279\u5225\u662f\u5728\u6d89\u53ca\u5230\u5c64\u6b21\u7d50\u69cb\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\uff0c\u9019\u7a2e\u932f\u8aa4\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u9032\u800c\u5f71\u97ff\u5230\u696d\u52d9\u908f\u8f2f\u7684\u6b63\u78ba\u6027\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-unVmPJaHnw\">\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u8981\u4fee\u5fa9ORA-02280\u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u7d04\u675f\u689d\u4ef6\u7684\u5b9a\u7fa9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6b65\u9a5f\u4f86\u5e6b\u52a9\u4f60\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5\u7d04\u675f\u689d\u4ef6\uff1a<\/strong>\u78ba\u4fdd\u5728\u5b9a\u7fa9\u5916\u9375\u7d04\u675f\u6642\uff0cCYCLE\u548cNOCYCLE\u4e0d\u6703\u540c\u6642\u51fa\u73fe\u3002<\/li>\n<li><strong>\u4fee\u6539\u7d04\u675f\u689d\u4ef6\uff1a<\/strong>\u5982\u679c\u9700\u8981\u4f7f\u7528CYCLE\uff0c\u5247\u61c9\u8a72\u522a\u9664NOCYCLE\u7684\u5b9a\u7fa9\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/li>\n<li><strong>\u4f7f\u7528ALTER\u8a9e\u53e5\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528ALTER TABLE\u8a9e\u53e5\u4f86\u4fee\u6539\u73fe\u6709\u7684\u7d04\u675f\u689d\u4ef6\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bf%ae%e5%be%a9-unVmPJaHnw\">\u793a\u4f8b\u4fee\u5fa9<\/h3>\n<pre><code>ALTER TABLE employees\nDROP CONSTRAINT emp_mgr_fk;\n\nALTER TABLE employees\nADD CONSTRAINT emp_mgr_fk FOREIGN KEY (manager_id)\nREFERENCES employees (employee_id)\nCYCLE;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u522a\u9664\u4e86\u539f\u6709\u7684\u7d04\u675f\uff0c\u7136\u5f8c\u91cd\u65b0\u6dfb\u52a0\u4e86\u6b63\u78ba\u7684\u7d04\u675f\u689d\u4ef6\uff0c\u78ba\u4fdd\u4e0d\u6703\u51fa\u73feCYCLE\u548cNOCYCLE\u7684\u885d\u7a81\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e6%95%85%e9%9a%9c-unVmPJaHnw\">\u9060\u7a0b\u8655\u7406\u6545\u969c<\/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\u9032\u884c\u4fee\u5fa9\u3002\u9019\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9060\u7a0b\u7ba1\u7406\u5de5\u5177\u4f86\u9032\u884c\u6545\u969c\u6392\u9664\u3002\u8a31\u591a\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u90fd\u63d0\u4f9b\u4e86\u9060\u7a0b\u8a2a\u554f\u7684\u529f\u80fd\uff0c\u5141\u8a31\u7ba1\u7406\u54e1\u5728\u4e0d\u76f4\u63a5\u8a2a\u554f\u4f3a\u670d\u5668\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\u64cd\u4f5c\u3002<\/p>\n<p>\u4f7f\u7528\u9060\u7a0b\u7ba1\u7406\u5de5\u5177\u6642\uff0c\u8acb\u78ba\u4fdd\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5b89\u5168\u6027\uff1a\u4f7f\u7528\u5b89\u5168\u7684\u9023\u63a5\u5354\u8b70\u4f86\u4fdd\u8b77\u6578\u64da\u3002<\/li>\n<li>\u5b9a\u671f\u5099\u4efd\uff1a\u5728\u9032\u884c\u4efb\u4f55\u4fee\u6539\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\u5eab\u3002<\/li>\n<li>\u8a18\u9304\u64cd\u4f5c\uff1a\u8a18\u9304\u6240\u6709\u7684\u64cd\u4f5c\u6b65\u9a5f\uff0c\u4ee5\u4fbf\u65bc\u65e5\u5f8c\u7684\u67e5\u8a62\u548c\u6545\u969c\u6392\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-unVmPJaHnw\">\u7e3d\u7d50<\/h2>\n<p>ORA-02280\u932f\u8aa4\u662fOracle\u6578\u64da\u5eab\u4e2d\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\uff0c\u4e3b\u8981\u7531\u65bc\u7d04\u675f\u689d\u4ef6\u7684\u885d\u7a81\u5f15\u8d77\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u548c\u4fee\u6539\u7d04\u675f\u689d\u4ef6\uff0c\u4e26\u5229\u7528\u9060\u7a0b\u7ba1\u7406\u5de5\u5177\u9032\u884c\u6545\u969c\u6392\u9664\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u696d\u52d9\u7cfb\u7d71\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\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-02280 \u932f\u8aa4\uff0c\u8655\u7406\u91cd\u8907\u6216\u885d\u7a81\u7684 CYCLE\/NOCYCLE \u898f\u7bc4\uff0c\u63d0\u4f9b\u6709\u6548\u7684 Oracle \u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u652f\u6301\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-83467","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/83467","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=83467"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/83467\/revisions"}],"predecessor-version":[{"id":83468,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/83467\/revisions\/83468"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=83467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=83467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=83467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}