{"id":91654,"date":"2024-10-18T23:01:19","date_gmt":"2024-10-18T15:01:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/91654\/"},"modified":"2024-10-18T23:01:20","modified_gmt":"2024-10-18T15:01:20","slug":"ora-31403-%e6%9b%b4%e6%94%b9%e8%a1%a8-string-%e5%b7%b2%e7%b6%93%e5%8c%85%e5%90%ab%e5%88%97-string-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\/91654\/","title":{"rendered":"ORA-31403: \u66f4\u6539\u8868 string \u5df2\u7d93\u5305\u542b\u5217 string ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-31403-%e6%9b%b4%e6%94%b9%e8%a1%a8-string-%e5%b7%b2%e7%b6%93%e5%8c%85%e5%90%ab%e5%88%97-string-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-xxTJyOTurx\">ORA-31403: \u66f4\u6539\u8868 string \u5df2\u7d93\u5305\u542b\u5217 string ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/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 <code>ORA-31403<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u4fee\u6539\u8868\u7d50\u69cb\u6642\uff0c\u7279\u5225\u662f\u7576\u4f60\u8a66\u5716\u6dfb\u52a0\u4e00\u500b\u5df2\u7d93\u5b58\u5728\u7684\u5217\u6642\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-31403-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-xxTJyOTurx\">ORA-31403 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u57f7\u884c DDL\uff08\u6578\u64da\u5b9a\u7fa9\u8a9e\u8a00\uff09\u64cd\u4f5c\u6642\uff0c\u4f8b\u5982\u4f7f\u7528 <code>ALTER TABLE<\/code> \u8a9e\u53e5\u4f86\u6dfb\u52a0\u65b0\u5217\uff0c\u5982\u679c\u8a72\u5217\u5df2\u7d93\u5b58\u5728\u65bc\u8868\u4e2d\uff0c\u5247\u6703\u5f15\u767c <code>ORA-31403<\/code> \u932f\u8aa4\u3002\u9019\u500b\u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u901a\u5e38\u6703\u986f\u793a\u70ba\uff1a<\/p>\n<pre><code>ORA-31403: \u66f4\u6539\u8868 string \u5df2\u7d93\u5305\u542b\u5217 string<\/code><\/pre>\n<p>\u9019\u610f\u5473\u8457\u4f60\u5617\u8a66\u6dfb\u52a0\u7684\u5217\u540d\u7a31\u8207\u8868\u4e2d\u73fe\u6709\u7684\u5217\u540d\u7a31\u885d\u7a81\u3002\u9019\u7a2e\u60c5\u6cc1\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u5728\u591a\u500b\u958b\u767c\u74b0\u5883\u4e2d\u9032\u884c\u540c\u6b65\u6642\uff0c\u672a\u80fd\u6b63\u78ba\u8ddf\u8e64\u8868\u7d50\u69cb\u7684\u8b8a\u66f4\u3002<\/li>\n<li>\u5728\u57f7\u884c\u6279\u91cf\u66f4\u65b0\u6216\u9077\u79fb\u6578\u64da\u6642\uff0c\u672a\u80fd\u6aa2\u67e5\u8868\u7d50\u69cb\u7684\u7576\u524d\u72c0\u614b\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u81ea\u52d5\u5316\u5de5\u5177\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u5de5\u5177\u672a\u80fd\u6b63\u78ba\u8655\u7406\u73fe\u6709\u5217\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-31403-%e9%8c%af%e8%aa%a4-xxTJyOTurx\">\u5982\u4f55\u4fee\u5fa9 ORA-31403 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-31403<\/code> \u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u78ba\u8a8d\u4f60\u8981\u6dfb\u52a0\u7684\u5217\u662f\u5426\u5df2\u7d93\u5b58\u5728\u65bc\u8868\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u8868\u7684\u7d50\u69cb\uff1a<\/p>\n<pre><code>SELECT column_name \nFROM user_tab_columns \nWHERE table_name = 'YOUR_TABLE_NAME';<\/code><\/pre>\n<p>\u5c07 <code>YOUR_TABLE_NAME<\/code> \u66ff\u63db\u70ba\u4f60\u8981\u6aa2\u67e5\u7684\u8868\u540d\u3002\u9019\u6a23\u53ef\u4ee5\u5217\u51fa\u8a72\u8868\u4e2d\u6240\u6709\u7684\u5217\u540d\uff0c\u5e6b\u52a9\u4f60\u78ba\u8a8d\u662f\u5426\u5b58\u5728\u91cd\u8907\u7684\u5217\u540d\u3002<\/p>\n<h3 id=\"%e5%a6%82%e6%9e%9c%e5%88%97%e5%b7%b2%e5%ad%98%e5%9c%a8%ef%bc%8c%e8%a9%b2%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%9f-xxTJyOTurx\">\u5982\u679c\u5217\u5df2\u5b58\u5728\uff0c\u8a72\u600e\u9ebc\u8fa6\uff1f<\/h3>\n<p>\u5982\u679c\u78ba\u8a8d\u5217\u5df2\u7d93\u5b58\u5728\uff0c\u4f60\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u4f60\u9700\u8981\u4fee\u6539\u8a72\u5217\u7684\u5c6c\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ALTER TABLE<\/code> \u8a9e\u53e5\u4f86\u4fee\u6539\u73fe\u6709\u5217\uff0c\u800c\u4e0d\u662f\u6dfb\u52a0\u65b0\u5217\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>ALTER TABLE YOUR_TABLE_NAME \nMODIFY (COLUMN_NAME NEW_DATA_TYPE);<\/code><\/pre>\n<li>\u5982\u679c\u4f60\u78ba\u5be6\u9700\u8981\u4e00\u500b\u65b0\u7684\u5217\uff0c\u8acb\u9078\u64c7\u4e00\u500b\u4e0d\u540c\u7684\u540d\u7a31\u4f86\u907f\u514d\u885d\u7a81\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-31403-%e9%8c%af%e8%aa%a4-xxTJyOTurx\">\u9060\u7a0b\u8655\u7406 ORA-31403 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u4f01\u696d\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u3002\u9019\u6642\uff0c\u9060\u7a0b\u8655\u7406\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u9078\u64c7\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u9060\u7a0b\u6545\u969c\u6392\u9664\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\u6216 SSH \u9023\u63a5\u5230\u6578\u64da\u5eab\u670d\u52d9\u5668\u3002<\/li>\n<li>\u4f7f\u7528 SQL \u5ba2\u6236\u7aef\u5de5\u5177\uff08\u5982 SQL Developer \u6216 TOAD\uff09\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002<\/li>\n<li>\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\u4ee5\u6aa2\u67e5\u8868\u7d50\u69cb\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u4fee\u6539\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xxTJyOTurx\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-31403<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u5617\u8a66\u6dfb\u52a0\u5df2\u5b58\u5728\u7684\u5217\u800c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u8868\u7d50\u69cb\u548c\u9069\u7576\u4fee\u6539\u73fe\u6709\u5217\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9060\u7a0b\u8655\u7406\u7684\u60c5\u6cc1\uff0c\u78ba\u4fdd\u4f7f\u7528\u5408\u9069\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u4f86\u9032\u884c\u6545\u969c\u6392\u9664\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-31403 \u932f\u8aa4\uff0c\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9 Oracle \u4e2d\u7684\u8868\u7d50\u69cb\u66f4\u6539\u554f\u984c\uff0c\u4e26\u9032\u884c\u6709\u6548\u7684\u9060\u7a0b\u8655\u7406\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-91654","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91654","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=91654"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91654\/revisions"}],"predecessor-version":[{"id":91655,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91654\/revisions\/91655"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=91654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=91654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=91654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}