{"id":82619,"date":"2024-10-16T20:51:15","date_gmt":"2024-10-16T12:51:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/82619\/"},"modified":"2024-10-16T20:51:16","modified_gmt":"2024-10-16T12:51:16","slug":"ora-01451-%e8%a6%81%e4%bf%ae%e6%94%b9%e7%82%ba-null-%e7%9a%84%e5%88%97%e7%84%a1%e6%b3%95%e4%bf%ae%e6%94%b9%e7%82%ba-null-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","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/82619\/","title":{"rendered":"ORA-01451: \u8981\u4fee\u6539\u70ba NULL \u7684\u5217\u7121\u6cd5\u4fee\u6539\u70ba NULL ORACLE\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-01451-%e8%a6%81%e4%bf%ae%e6%94%b9%e7%82%ba-null-%e7%9a%84%e5%88%97%e7%84%a1%e6%b3%95%e4%bf%ae%e6%94%b9%e7%82%ba-null-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-BgoyLlvdkK\">ORA-01451: \u8981\u4fee\u6539\u70ba NULL \u7684\u5217\u7121\u6cd5\u4fee\u6539\u70ba NULL 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\u5c31\u662fORA-01451\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u5c07\u4e00\u500b\u4e0d\u5141\u8a31\u70baNULL\u7684\u5217\u8a2d\u7f6e\u70baNULL\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eORA-01451\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-01451%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-BgoyLlvdkK\">ORA-01451\u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-01451\u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u6578\u64da\u5eab\u8868\u4e2d\u7684\u67d0\u4e00\u5217\u88ab\u5b9a\u7fa9\u70ba\u4e0d\u5141\u8a31NULL\u503c\u3002\u7576\u7528\u6236\u5617\u8a66\u57f7\u884c\u4e00\u500bUPDATE\u8a9e\u53e5\uff0c\u4e26\u5c07\u8a72\u5217\u7684\u503c\u8a2d\u7f6e\u70baNULL\u6642\uff0cOracle\u6578\u64da\u5eab\u6703\u8fd4\u56de\u6b64\u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u5217\u7684\u5b9a\u7fa9\u4e2d\u4f7f\u7528\u4e86NOT NULL\u7d04\u675f\u3002<\/li>\n<li>\u5728\u57f7\u884cUPDATE\u64cd\u4f5c\u6642\uff0c\u672a\u8003\u616e\u5230\u8a72\u5217\u7684\u7d04\u675f\u689d\u4ef6\u3002<\/li>\n<li>\u5728\u6578\u64da\u9077\u79fb\u6216\u6578\u64da\u5c0e\u5165\u904e\u7a0b\u4e2d\uff0c\u672a\u6b63\u78ba\u8655\u7406NULL\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%ad%98%e5%88%a5ora-01451%e9%8c%af%e8%aa%a4-BgoyLlvdkK\">\u5982\u4f55\u8b58\u5225ORA-01451\u932f\u8aa4<\/h2>\n<p>\u7576\u4f60\u57f7\u884c\u4e00\u500bSQL\u8a9e\u53e5\u4e26\u9047\u5230ORA-01451\u932f\u8aa4\u6642\uff0cOracle\u6703\u8fd4\u56de\u4e00\u689d\u932f\u8aa4\u6d88\u606f\uff0c\u901a\u5e38\u5305\u542b\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n<pre>\nORA-01451: \u8981\u4fee\u6539\u70ba NULL \u7684\u5217\u7121\u6cd5\u4fee\u6539\u70ba NULL\n<\/pre>\n<p>\u9019\u689d\u6d88\u606f\u8868\u660e\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u4e0d\u5141\u8a31\u70baNULL\u7684\u5217\u8a2d\u7f6e\u70baNULL\u3002\u8981\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u8a72\u5217\u7684\u5b9a\u7fa9\uff0c\u78ba\u4fdd\u5b83\u7684\u7d04\u675f\u689d\u4ef6\u7b26\u5408\u4f60\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-BgoyLlvdkK\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9ORA-01451\u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%88%97%e7%9a%84%e7%b4%84%e6%9d%9f%e6%a2%9d%e4%bb%b6-BgoyLlvdkK\">1. \u6aa2\u67e5\u5217\u7684\u7d04\u675f\u689d\u4ef6<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u8868\u4e2d\u5217\u7684\u7d04\u675f\u689d\u4ef6\uff1a<\/p>\n<pre>\nSELECT column_name, nullable\nFROM user_tab_columns\nWHERE table_name = '\u4f60\u7684\u8868\u540d';\n<\/pre>\n<p>\u9019\u5c07\u986f\u793a\u8a72\u8868\u4e2d\u6240\u6709\u5217\u7684\u53ef\u7a7a\u6027\u3002\u5982\u679c\u67d0\u5217\u7684nullable\u503c\u70ba&#8217;N&#8217;\uff0c\u5247\u8868\u793a\u8a72\u5217\u4e0d\u5141\u8a31NULL\u503c\u3002<\/p>\n<h3 id=\"2-%e4%bf%ae%e6%94%b9update%e8%aa%9e%e5%8f%a5-BgoyLlvdkK\">2. \u4fee\u6539UPDATE\u8a9e\u53e5<\/h3>\n<p>\u5982\u679c\u4f60\u78ba\u5b9a\u9700\u8981\u5c07\u8a72\u5217\u8a2d\u7f6e\u70baNULL\uff0c\u5247\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u8a72\u5217\u7684\u7d04\u675f\u689d\u4ef6\u4e0d\u518d\u9700\u8981\uff0c\u53ef\u4ee5\u8003\u616e\u522a\u9664NOT NULL\u7d04\u675f\uff1a<\/li>\n<pre>\nALTER TABLE \u4f60\u7684\u8868\u540d MODIFY (\u4f60\u7684\u5217\u540d NULL);\n    <\/pre>\n<li>\u5982\u679c\u4e0d\u60f3\u522a\u9664\u7d04\u675f\uff0c\u53ef\u4ee5\u8003\u616e\u5c07UPDATE\u8a9e\u53e5\u4fee\u6539\u70ba\u4e0d\u8a2d\u7f6e\u8a72\u5217\u7684\u503c\uff1a<\/li>\n<pre>\nUPDATE \u4f60\u7684\u8868\u540d SET \u5176\u4ed6\u5217 = \u65b0\u503c WHERE \u689d\u4ef6;\n    <\/pre>\n<\/ul>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e9%81%b7%e7%a7%bb%e6%88%96%e5%b0%8e%e5%85%a5%e6%99%82%e7%9a%84%e8%99%95%e7%90%86-BgoyLlvdkK\">3. \u6578\u64da\u9077\u79fb\u6216\u5c0e\u5165\u6642\u7684\u8655\u7406<\/h3>\n<p>\u5728\u9032\u884c\u6578\u64da\u9077\u79fb\u6216\u5c0e\u5165\u6642\uff0c\u78ba\u4fdd\u5c0d\u65bc\u4e0d\u5141\u8a31\u70baNULL\u7684\u5217\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u6578\u64da\u3002\u5982\u679c\u6578\u64da\u6e90\u4e2d\u5b58\u5728NULL\u503c\uff0c\u5247\u9700\u8981\u9032\u884c\u6578\u64da\u6e05\u7406\u6216\u8f49\u63db\uff0c\u4ee5\u7b26\u5408\u76ee\u6a19\u8868\u7684\u7d04\u675f\u689d\u4ef6\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BgoyLlvdkK\">\u7e3d\u7d50<\/h2>\n<p>ORA-01451\u932f\u8aa4\u662fOracle\u6578\u64da\u5eab\u4e2d\u5e38\u898b\u7684\u554f\u984c\uff0c\u901a\u5e38\u7531\u65bc\u4e0d\u6b63\u78ba\u7684\u5217\u7d04\u675f\u6216\u4e0d\u7576\u7684UPDATE\u64cd\u4f5c\u5f15\u8d77\u3002\u901a\u904e\u6aa2\u67e5\u5217\u7684\u7d04\u675f\u689d\u4ef6\u3001\u4fee\u6539SQL\u8a9e\u53e5\u4ee5\u53ca\u5728\u6578\u64da\u9077\u79fb\u904e\u7a0b\u4e2d\u9032\u884c\u9069\u7576\u7684\u6578\u64da\u8655\u7406\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>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-01451 \u932f\u8aa4\uff0c\u4fee\u5fa9 Oracle \u4e2d\u7121\u6cd5\u5c07\u5217\u4fee\u6539\u70ba NULL \u7684\u554f\u984c\uff0c\u63d0\u4f9b\u9060\u7a0b\u8655\u7406\u65b9\u6848\u8207\u6307\u5c0e\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-82619","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/82619","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=82619"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/82619\/revisions"}],"predecessor-version":[{"id":82620,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/82619\/revisions\/82620"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=82619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=82619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=82619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}