{"id":83603,"date":"2024-10-17T00:31:16","date_gmt":"2024-10-16T16:31:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/83603\/"},"modified":"2024-10-17T00:31:16","modified_gmt":"2024-10-16T16:31:16","slug":"ora-02435-%e7%84%a1%e6%b3%95%e7%a6%81%e7%94%a8%e5%94%af%e4%b8%80%e9%8d%b5string-%e8%a1%a8%e6%9c%aa%e5%ae%9a%e7%be%a9%e5%94%af%e4%b8%80%e9%8d%b5-oracle%e5%a0%b1%e9%8c%af%e6%95%85%e9%9a%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/83603\/","title":{"rendered":"ORA-02435: \u7121\u6cd5\u7981\u7528\u552f\u4e00\u9375(string) \u2013 \u8868\u672a\u5b9a\u7fa9\u552f\u4e00\u9375 ORACLE\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-02435-%e7%84%a1%e6%b3%95%e7%a6%81%e7%94%a8%e5%94%af%e4%b8%80%e9%8d%b5string-%e8%a1%a8%e6%9c%aa%e5%ae%9a%e7%be%a9%e5%94%af%e4%b8%80%e9%8d%b5-oracle%e5%a0%b1%e9%8c%af%e6%95%85%e9%9a%9c-shZwZtNxwS\">ORA-02435: \u7121\u6cd5\u7981\u7528\u552f\u4e00\u9375(string) \u2013 \u8868\u672a\u5b9a\u7fa9\u552f\u4e00\u9375 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-02435\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u7981\u7528\u4e00\u500b\u552f\u4e00\u9375\u6642\uff0c\u4f46\u8a72\u8868\u4e26\u672a\u5b9a\u7fa9\u8a72\u552f\u4e00\u9375\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eORA-02435\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-02435%e7%9a%84%e5%8e%9f%e5%9b%a0-shZwZtNxwS\">ORA-02435\u7684\u539f\u56e0<\/h2>\n<p>ORA-02435\u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u7576\u7528\u6236\u5617\u8a66\u7981\u7528\u4e00\u500b\u4e0d\u5b58\u5728\u7684\u552f\u4e00\u9375\u6642\uff0cOracle\u6578\u64da\u5eab\u7121\u6cd5\u627e\u5230\u8a72\u9375\u7684\u5b9a\u7fa9\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u552f\u4e00\u9375\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\u3002<\/li>\n<li>\u552f\u4e00\u9375\u5df2\u7d93\u88ab\u522a\u9664\u6216\u5f9e\u672a\u5275\u5efa\u3002<\/li>\n<li>\u7528\u6236\u6c92\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u67e5\u770b\u6216\u4fee\u6539\u8a72\u552f\u4e00\u9375\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e7%a4%ba%e4%be%8b-shZwZtNxwS\">\u932f\u8aa4\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cemployees\u201d\u7684\u8868\uff0c\u4e26\u4e14\u6211\u5011\u5617\u8a66\u7981\u7528\u4e00\u500b\u540d\u70ba\u201cemp_unique\u201d\u7684\u552f\u4e00\u9375\uff0c\u4ee5\u4e0b\u662f\u53ef\u80fd\u5c0e\u81f4ORA-02435\u932f\u8aa4\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER TABLE employees DISABLE CONSTRAINT emp_unique;<\/code><\/pre>\n<p>\u5982\u679c\u201cemp_unique\u201d\u9019\u500b\u552f\u4e00\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u6703\u8fd4\u56deORA-02435\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-shZwZtNxwS\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9ORA-02435\u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e5%94%af%e4%b8%80%e9%8d%b5%e7%9a%84%e5%ad%98%e5%9c%a8-shZwZtNxwS\">1. \u78ba\u8a8d\u552f\u4e00\u9375\u7684\u5b58\u5728<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u8a8d\u8a72\u552f\u4e00\u9375\u662f\u5426\u5b58\u5728\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\uff1a<\/p>\n<pre><code>SELECT constraint_name \nFROM user_constraints \nWHERE table_name = 'EMPLOYEES' \nAND constraint_type = 'U';<\/code><\/pre>\n<p>\u9019\u5c07\u5217\u51fa\u6240\u6709\u5728\u201cemployees\u201d\u8868\u4e0a\u5b9a\u7fa9\u7684\u552f\u4e00\u9375\u3002\u5982\u679c\u201cemp_unique\u201d\u4e0d\u5728\u5217\u8868\u4e2d\uff0c\u5247\u8868\u793a\u8a72\u552f\u4e00\u9375\u4e0d\u5b58\u5728\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%8b%bc%e5%af%ab%e5%92%8c%e5%a4%a7%e5%b0%8f%e5%af%ab-shZwZtNxwS\">2. \u6aa2\u67e5\u62fc\u5beb\u548c\u5927\u5c0f\u5beb<\/h3>\n<p>\u5982\u679c\u552f\u4e00\u9375\u5b58\u5728\u4f46\u4ecd\u7136\u51fa\u73fe\u932f\u8aa4\uff0c\u8acb\u6aa2\u67e5\u60a8\u5728SQL\u8a9e\u53e5\u4e2d\u4f7f\u7528\u7684\u552f\u4e00\u9375\u540d\u7a31\u7684\u62fc\u5beb\u548c\u5927\u5c0f\u5beb\u3002Oracle\u5c0d\u65bc\u5c0d\u8c61\u540d\u7a31\u662f\u5340\u5206\u5927\u5c0f\u5beb\u7684\uff0c\u56e0\u6b64\u78ba\u4fdd\u540d\u7a31\u5b8c\u5168\u5339\u914d\u3002<\/p>\n<h3 id=\"3-%e7%a2%ba%e8%aa%8d%e7%94%a8%e6%88%b6%e6%ac%8a%e9%99%90-shZwZtNxwS\">3. \u78ba\u8a8d\u7528\u6236\u6b0a\u9650<\/h3>\n<p>\u5982\u679c\u60a8\u78ba\u5b9a\u552f\u4e00\u9375\u5b58\u5728\u4e14\u62fc\u5beb\u6b63\u78ba\uff0c\u4f46\u4ecd\u7136\u7121\u6cd5\u7981\u7528\uff0c\u5247\u53ef\u80fd\u662f\u56e0\u70ba\u7528\u6236\u6b0a\u9650\u4e0d\u8db3\u3002\u8acb\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u4fee\u6539\u8a72\u8868\u7684\u7d04\u675f\u689d\u4ef6\u3002<\/p>\n<h3 id=\"4-%e5%89%b5%e5%bb%ba%e5%94%af%e4%b8%80%e9%8d%b5-shZwZtNxwS\">4. \u5275\u5efa\u552f\u4e00\u9375<\/h3>\n<p>\u5982\u679c\u552f\u4e00\u9375\u78ba\u5be6\u4e0d\u5b58\u5728\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u5275\u5efa\u5b83\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u552f\u4e00\u9375\u7684SQL\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre><code>ALTER TABLE employees \nADD CONSTRAINT emp_unique UNIQUE (employee_id);<\/code><\/pre>\n<p>\u9019\u5c07\u5728\u201cemployees\u201d\u8868\u4e0a\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cemp_unique\u201d\u7684\u552f\u4e00\u9375\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-shZwZtNxwS\">\u7e3d\u7d50<\/h2>\n<p>ORA-02435\u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u5617\u8a66\u7981\u7528\u4e00\u500b\u4e0d\u5b58\u5728\u7684\u552f\u4e00\u9375\u800c\u5f15\u8d77\u7684\u3002\u901a\u904e\u78ba\u8a8d\u552f\u4e00\u9375\u7684\u5b58\u5728\u3001\u6aa2\u67e5\u62fc\u5beb\u548c\u5927\u5c0f\u5beb\u3001\u78ba\u4fdd\u7528\u6236\u6b0a\u9650\u4ee5\u53ca\u5fc5\u8981\u6642\u5275\u5efa\u552f\u4e00\u9375\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u904b\u884c\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u9700\u6c42\u6709\u8208\u8da3\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aORA-02435\u932f\u8aa4\uff0c\u7121\u6cd5\u7981\u7528\u552f\u4e00\u9375\u7684\u554f\u984c\uff0c\u63d0\u4f9bOracle\u5831\u932f\u6545\u969c\u4fee\u5fa9\u7684\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-83603","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/83603","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=83603"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/83603\/revisions"}],"predecessor-version":[{"id":83604,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/83603\/revisions\/83604"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=83603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=83603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=83603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}