{"id":88604,"date":"2024-10-18T09:19:20","date_gmt":"2024-10-18T01:19:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/88604\/"},"modified":"2024-10-18T09:19:21","modified_gmt":"2024-10-18T01:19:21","slug":"ora-24504-%e6%95%b8%e6%93%9a%e9%95%b7%e5%ba%a6%e8%b6%85%e9%81%8e%e9%a0%90%e6%9c%9f-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\/88604\/","title":{"rendered":"ORA-24504: \u6578\u64da\u9577\u5ea6\u8d85\u904e\u9810\u671f ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-24504-%e6%95%b8%e6%93%9a%e9%95%b7%e5%ba%a6%e8%b6%85%e9%81%8e%e9%a0%90%e6%9c%9f-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-JVTeQooeBF\">ORA-24504: \u6578\u64da\u9577\u5ea6\u8d85\u904e\u9810\u671f ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\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-24504<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u6578\u64da\u7684\u9577\u5ea6\u8d85\u904e\u4e86\u9810\u671f\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u8655\u7406\u7684\u5931\u6557\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-24504<\/code> \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"ora-24504-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-JVTeQooeBF\">ORA-24504 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p><code>ORA-24504<\/code> \u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u985e\u578b\u8207\u8868\u4e2d\u5b9a\u7fa9\u7684\u6578\u64da\u985e\u578b\u4e0d\u4e00\u81f4\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u8d85\u904e\u5b9a\u7fa9\u9577\u5ea6\u7684\u5b57\u7b26\u4e32\u63d2\u5165\u5230 VARCHAR2 \u985e\u578b\u7684\u5217\u4e2d\u3002<\/li>\n<li><strong>\u6578\u64da\u9577\u5ea6\u8d85\u904e\u9650\u5236\uff1a<\/strong>\u5982\u679c\u5617\u8a66\u63d2\u5165\u7684\u6578\u64da\u9577\u5ea6\u8d85\u904e\u4e86\u5217\u7684\u6700\u5927\u9577\u5ea6\uff0c\u5247\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002\u9019\u5728\u8655\u7406\u5927\u578b\u6587\u672c\u6216\u4e8c\u9032\u5236\u6578\u64da\u6642\u5c24\u70ba\u5e38\u898b\u3002<\/li>\n<li><strong>\u4e0d\u6b63\u78ba\u7684\u6578\u64da\u8655\u7406\u908f\u8f2f\uff1a<\/strong>\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6578\u64da\u8655\u7406\u908f\u8f2f\u4e0d\u7576\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u9577\u5ea6\u8d85\u904e\u9810\u671f\u3002\u4f8b\u5982\uff0c\u672a\u5c0d\u7528\u6236\u8f38\u5165\u9032\u884c\u6709\u6548\u6027\u6aa2\u67e5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-24504-%e9%8c%af%e8%aa%a4-JVTeQooeBF\">\u5982\u4f55\u4fee\u5fa9 ORA-24504 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-24504<\/code> \u932f\u8aa4\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-JVTeQooeBF\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u8868\u4e2d\u5b9a\u7fa9\u7684\u5217\u985e\u578b\uff0c\u78ba\u4fdd\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u985e\u578b\u8207\u4e4b\u5339\u914d\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE TABLE example_table (\n    id NUMBER,\n    name VARCHAR2(50)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c<code>name<\/code> \u5217\u7684\u6700\u5927\u9577\u5ea6\u70ba 50\u3002\u5982\u679c\u63d2\u5165\u7684\u5b57\u7b26\u4e32\u9577\u5ea6\u8d85\u904e 50\uff0c\u5247\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n<h3 id=\"2-%e9%a9%97%e8%ad%89%e6%95%b8%e6%93%9a%e9%95%b7%e5%ba%a6-JVTeQooeBF\">2. \u9a57\u8b49\u6578\u64da\u9577\u5ea6<\/h3>\n<p>\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6578\u64da\u4e4b\u524d\uff0c\u61c9\u8a72\u5c0d\u6578\u64da\u7684\u9577\u5ea6\u9032\u884c\u9a57\u8b49\u3002\u53ef\u4ee5\u4f7f\u7528 PL\/SQL \u9032\u884c\u6aa2\u67e5\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>DECLARE\n    v_name VARCHAR2(100);\nBEGIN\n    v_name := '\u9019\u662f\u4e00\u500b\u8d85\u904e\u9577\u5ea6\u7684\u5b57\u7b26\u4e32...';\n    IF LENGTH(v_name) &gt; 50 THEN\n        RAISE_APPLICATION_ERROR(-20001, '\u6578\u64da\u9577\u5ea6\u8d85\u904e\u9650\u5236');\n    END IF;\nEND;<\/code><\/pre>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-JVTeQooeBF\">3. \u8abf\u6574\u6578\u64da\u5eab\u7d50\u69cb<\/h3>\n<p>\u5982\u679c\u78ba\u5b9a\u9700\u8981\u5b58\u5132\u66f4\u9577\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u8abf\u6574\u6578\u64da\u5eab\u7d50\u69cb\u3002\u4f8b\u5982\uff0c\u5c07 <code>VARCHAR2(50)<\/code> \u66f4\u6539\u70ba <code>VARCHAR2(100)<\/code>\uff1a<\/p>\n<pre><code>ALTER TABLE example_table MODIFY name VARCHAR2(100);<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-24504-%e9%8c%af%e8%aa%a4-JVTeQooeBF\">\u9060\u7a0b\u8655\u7406 ORA-24504 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406 <code>ORA-24504<\/code> \u932f\u8aa4\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u9060\u7a0b\u9023\u63a5\u6578\u64da\u5eab\uff1a<\/strong>\u4f7f\u7528 SQL*Plus \u6216\u5176\u4ed6\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff0c\u901a\u904e SSH \u6216 VPN \u9023\u63a5\u5230\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u57f7\u884c\u8a3a\u65b7\u67e5\u8a62\uff1a<\/strong>\u904b\u884c\u67e5\u8a62\u4ee5\u6aa2\u67e5\u7576\u524d\u7684\u6578\u64da\u72c0\u614b\u548c\u7d50\u69cb\uff0c\u78ba\u4fdd\u80fd\u5920\u8b58\u5225\u554f\u984c\u6240\u5728\u3002<\/li>\n<li><strong>\u61c9\u7528\u4fee\u5fa9\u63aa\u65bd\uff1a<\/strong>\u6839\u64da\u524d\u8ff0\u7684\u4fee\u5fa9\u6b65\u9a5f\uff0c\u9032\u884c\u5fc5\u8981\u7684\u6578\u64da\u9a57\u8b49\u548c\u7d50\u69cb\u8abf\u6574\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JVTeQooeBF\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-24504<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u9577\u5ea6\u8d85\u904e\u9810\u671f\u800c\u5f15\u767c\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u9a57\u8b49\u6578\u64da\u9577\u5ea6\u4ee5\u53ca\u5fc5\u8981\u6642\u8abf\u6574\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u6b64\u5916\uff0c\u9060\u7a0b\u8655\u7406\u6b64\u932f\u8aa4\u4e5f\u80fd\u5920\u5e6b\u52a9\u7ba1\u7406\u54e1\u5feb\u901f\u89e3\u6c7a\u554f\u984c\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\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-24504 \u932f\u8aa4\uff1a\u6578\u64da\u9577\u5ea6\u8d85\u904e\u9810\u671f\u7684\u6545\u969c\u4fee\u5fa9\u8207\u9060\u7a0b\u8655\u7406\u6307\u5357\uff0c\u52a9\u60a8\u5feb\u901f\u6062\u5fa9 Oracle \u6578\u64da\u5eab\u6b63\u5e38\u904b\u884c\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-88604","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/88604","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=88604"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/88604\/revisions"}],"predecessor-version":[{"id":88605,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/88604\/revisions\/88605"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=88604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=88604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=88604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}