{"id":86020,"date":"2024-10-17T17:43:18","date_gmt":"2024-10-17T09:43:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/86020\/"},"modified":"2024-10-17T17:43:18","modified_gmt":"2024-10-17T09:43:18","slug":"ora-14121-modify-default-attributes-%e4%b8%8d%e8%83%bd%e8%88%87%e5%85%b6%e4%bb%96%e6%93%8d%e4%bd%9c%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8%e3%80%82oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/86020\/","title":{"rendered":"ORA-14121: MODIFY DEFAULT ATTRIBUTES \u4e0d\u80fd\u8207\u5176\u4ed6\u64cd\u4f5c\u7d50\u5408\u4f7f\u7528\u3002ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-14121-modify-default-attributes-%e4%b8%8d%e8%83%bd%e8%88%87%e5%85%b6%e4%bb%96%e6%93%8d%e4%bd%9c%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8-jdoCDFKAnc\">ORA-14121: MODIFY DEFAULT ATTRIBUTES \u4e0d\u80fd\u8207\u5176\u4ed6\u64cd\u4f5c\u7d50\u5408\u4f7f\u7528<\/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-14121\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u4fee\u6539\u9ed8\u8a8d\u5c6c\u6027\u6642\uff0c\u4e26\u4e14\u8207\u5176\u4ed6\u64cd\u4f5c\u540c\u6642\u9032\u884c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-14121-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-jdoCDFKAnc\">ORA-14121 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-14121 \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u7576\u7528\u6236\u5617\u8a66\u5728\u4e00\u500b DDL\uff08\u6578\u64da\u5b9a\u7fa9\u8a9e\u8a00\uff09\u64cd\u4f5c\u4e2d\u540c\u6642\u4fee\u6539\u9ed8\u8a8d\u5c6c\u6027\u548c\u57f7\u884c\u5176\u4ed6\u64cd\u4f5c\u6642\uff0cOracle \u6578\u64da\u5eab\u6703\u62d2\u7d55\u9019\u6a23\u7684\u8acb\u6c42\u3002\u9019\u662f\u56e0\u70ba Oracle \u6578\u64da\u5eab\u5728\u8655\u7406 DDL \u64cd\u4f5c\u6642\uff0c\u5c0d\u65bc\u540c\u4e00\u8a9e\u53e5\u4e2d\u7684\u591a\u500b\u64cd\u4f5c\u6709\u56b4\u683c\u7684\u9650\u5236\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u7576\u7528\u6236\u5617\u8a66\u5728\u5275\u5efa\u6216\u4fee\u6539\u8868\u6642\uff0c\u540c\u6642\u8a2d\u7f6e\u9ed8\u8a8d\u5c6c\u6027\u548c\u5176\u4ed6\u7d04\u675f\uff0c\u4fbf\u53ef\u80fd\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u53ef\u80fd\u5c0e\u81f4 ORA-14121 \u932f\u8aa4\u7684 SQL \u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE example_table (\n    id NUMBER,\n    name VARCHAR2(50) DEFAULT 'Unknown',\n    CONSTRAINT pk_example PRIMARY KEY (id)\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u82e5\u7528\u6236\u5617\u8a66\u5728\u540c\u4e00\u8a9e\u53e5\u4e2d\u6dfb\u52a0\u5176\u4ed6\u7d04\u675f\uff0c\u5247\u53ef\u80fd\u6703\u51fa\u73fe ORA-14121 \u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-14121-%e9%8c%af%e8%aa%a4-jdoCDFKAnc\">\u5982\u4f55\u4fee\u5fa9 ORA-14121 \u932f\u8aa4<\/h2>\n<p>\u8981\u4fee\u5fa9 ORA-14121 \u932f\u8aa4\uff0c\u958b\u767c\u8005\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u958b\u64cd\u4f5c\uff1a<\/strong>\u5c07\u4fee\u6539\u9ed8\u8a8d\u5c6c\u6027\u548c\u5176\u4ed6\u64cd\u4f5c\u5206\u958b\u57f7\u884c\u3002\u4f8b\u5982\uff0c\u9996\u5148\u5275\u5efa\u8868\uff0c\u7136\u5f8c\u518d\u6dfb\u52a0\u7d04\u675f\u3002<\/li>\n<li><strong>\u6aa2\u67e5 SQL \u8a9e\u53e5\uff1a<\/strong>\u4ed4\u7d30\u6aa2\u67e5 SQL \u8a9e\u53e5\uff0c\u78ba\u4fdd\u6c92\u6709\u540c\u6642\u57f7\u884c\u591a\u500b DDL \u64cd\u4f5c\u3002<\/li>\n<li><strong>\u4f7f\u7528 ALTER \u8a9e\u53e5\uff1a<\/strong>\u5982\u679c\u9700\u8981\u4fee\u6539\u5df2\u5b58\u5728\u7684\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528 ALTER \u8a9e\u53e5\u4f86\u5206\u958b\u57f7\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4fee\u6b63\u5f8c\u7684 SQL \u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE example_table (\n    id NUMBER,\n    name VARCHAR2(50)\n);\n\nALTER TABLE example_table\nADD CONSTRAINT pk_example PRIMARY KEY (id);\n\nALTER TABLE example_table\nMODIFY name DEFAULT 'Unknown';\n<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-14121-%e9%8c%af%e8%aa%a4-jdoCDFKAnc\">\u9060\u7a0b\u8655\u7406 ORA-14121 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u9032\u884c\u6545\u969c\u6392\u9664\u3002\u9019\u6642\uff0c\u9060\u7a0b\u8655\u7406\u6210\u70ba\u4e00\u500b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9060\u7a0b\u8655\u7406\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u901a\u904e\u9060\u7a0b\u684c\u9762\u9023\u63a5\u5230\u6578\u64da\u5eab\u6240\u5728\u7684\u4f3a\u670d\u5668\uff0c\u9032\u884c\u5fc5\u8981\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u5229\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff1a<\/strong>\u4f7f\u7528\u5982 Oracle SQL Developer \u7b49\u5de5\u5177\uff0c\u9032\u884c\u9060\u7a0b\u9023\u63a5\u548c\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u8acb\u6c42\u6280\u8853\u652f\u6301\uff1a<\/strong>\u5982\u679c\u554f\u984c\u7121\u6cd5\u89e3\u6c7a\uff0c\u53ef\u4ee5\u8003\u616e\u8acb\u6c42\u5c08\u696d\u7684\u6280\u8853\u652f\u6301\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jdoCDFKAnc\">\u7e3d\u7d50<\/h2>\n<p>ORA-14121 \u932f\u8aa4\u662f Oracle \u6578\u64da\u5eab\u4e2d\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\uff0c\u4e3b\u8981\u7531\u65bc\u5728\u540c\u4e00 DDL \u64cd\u4f5c\u4e2d\u540c\u6642\u4fee\u6539\u9ed8\u8a8d\u5c6c\u6027\u548c\u5176\u4ed6\u64cd\u4f5c\u6240\u5f15\u8d77\u3002\u901a\u904e\u5206\u958b\u57f7\u884c\u64cd\u4f5c\u3001\u6aa2\u67e5 SQL \u8a9e\u53e5\u4ee5\u53ca\u4f7f\u7528 ALTER \u8a9e\u53e5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u6b64\u5916\uff0c\u9060\u7a0b\u8655\u7406\u6280\u8853\u4e5f\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u5728\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\u6545\u969c\u6392\u9664\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-14121 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