{"id":87676,"date":"2024-10-18T03:03:21","date_gmt":"2024-10-17T19:03:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/87676\/"},"modified":"2024-10-18T03:03:21","modified_gmt":"2024-10-17T19:03:21","slug":"ora-19740-%e6%96%87%e6%9c%ac%e9%95%b7%e5%ba%a6%e8%b6%85%e9%81%8e-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\/87676\/","title":{"rendered":"ORA-19740: \u6587\u672c\u9577\u5ea6\u8d85\u904e string ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-19740-%e6%96%87%e6%9c%ac%e9%95%b7%e5%ba%a6%e8%b6%85%e9%81%8e-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-sSKikWacfh\">ORA-19740: \u6587\u672c\u9577\u5ea6\u8d85\u904e string 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\u5c31\u662f <code>ORA-19740<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u6587\u672c\u9577\u5ea6\u8d85\u904e\u4e86\u6307\u5b9a\u7684\u9650\u5236\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-19740<\/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-19740-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-sSKikWacfh\">ORA-19740 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p><code>ORA-19740<\/code> \u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li>\u7576\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\u8d85\u904e\u4e86\u5217\u5b9a\u7fa9\u7684\u6700\u5927\u9577\u5ea6\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u67d0\u4e9b\u51fd\u6578\u6216\u904e\u7a0b\u6642\uff0c\u50b3\u905e\u7684\u53c3\u6578\u8d85\u51fa\u4e86\u9810\u671f\u7684\u9577\u5ea6\u3002<\/li>\n<li>\u5728\u6578\u64da\u5c0e\u5165\u6216\u5c0e\u51fa\u904e\u7a0b\u4e2d\uff0c\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\u6216\u4e0d\u7b26\u5408\u8981\u6c42\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u500b\u8868\u7684\u67d0\u500b\u5217\u5b9a\u7fa9\u70ba <code>VARCHAR2(50)<\/code>\uff0c\u800c\u60a8\u5617\u8a66\u63d2\u5165\u4e00\u500b\u9577\u5ea6\u70ba 60 \u7684\u5b57\u7b26\u4e32\uff0c\u5247\u6703\u5f15\u767c <code>ORA-19740<\/code> \u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-sSKikWacfh\">\u5f71\u97ff<\/h2>\n<p>\u9019\u500b\u932f\u8aa4\u4e0d\u50c5\u6703\u5c0e\u81f4\u7576\u524d\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u5931\u6557\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u5230\u6574\u500b\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u9019\u7a2e\u932f\u8aa4\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7cfb\u7d71\u5d29\u6f70\u3002\u56e0\u6b64\uff0c\u53ca\u6642\u4fee\u5fa9\u9019\u500b\u932f\u8aa4\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-sSKikWacfh\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-19740<\/code> \u932f\u8aa4\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e9%8c%af%e8%aa%a4%e4%bf%a1%e6%81%af-sSKikWacfh\">1. \u78ba\u8a8d\u932f\u8aa4\u4fe1\u606f<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u67e5\u770b\u932f\u8aa4\u4fe1\u606f\u7684\u8a73\u7d30\u5167\u5bb9\uff0c\u78ba\u5b9a\u662f\u54ea\u4e00\u500b\u64cd\u4f5c\u5f15\u767c\u4e86\u932f\u8aa4\u3002\u901a\u5e38\uff0cOracle \u6578\u64da\u5eab\u6703\u63d0\u4f9b\u932f\u8aa4\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u5e6b\u52a9\u60a8\u5b9a\u4f4d\u554f\u984c\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%95%b7%e5%ba%a6-sSKikWacfh\">2. \u6aa2\u67e5\u6578\u64da\u9577\u5ea6<\/h3>\n<p>\u6aa2\u67e5\u60a8\u5617\u8a66\u63d2\u5165\u6216\u66f4\u65b0\u7684\u6578\u64da\uff0c\u78ba\u4fdd\u5176\u9577\u5ea6\u4e0d\u8d85\u904e\u5217\u7684\u5b9a\u7fa9\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u8868\u7d50\u69cb\uff1a<\/p>\n<pre><code>DESC your_table_name;<\/code><\/pre>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a-sSKikWacfh\">3. \u8abf\u6574\u6578\u64da<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u6578\u64da\u9577\u5ea6\u8d85\u904e\u4e86\u9650\u5236\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>\u7e2e\u77ed\u8981\u63d2\u5165\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u4fee\u6539\u8868\u7d50\u69cb\uff0c\u589e\u52a0\u5217\u7684\u9577\u5ea6\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>ALTER TABLE your_table_name MODIFY your_column_name VARCHAR2(100);<\/code><\/pre>\n<\/ul>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-sSKikWacfh\">4. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h3>\n<p>\u5728\u9032\u884c\u4e86\u4e0a\u8ff0\u4fee\u6539\u5f8c\uff0c\u91cd\u65b0\u57f7\u884c\u539f\u4f86\u7684\u64cd\u4f5c\uff0c\u6aa2\u67e5\u662f\u5426\u4ecd\u7136\u51fa\u73fe <code>ORA-19740<\/code> \u932f\u8aa4\u3002\u5982\u679c\u554f\u984c\u89e3\u6c7a\uff0c\u5247\u53ef\u4ee5\u9032\u884c\u5f8c\u7e8c\u7684\u6578\u64da\u8655\u7406\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-sSKikWacfh\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u9032\u884c\u9060\u7a0b\u8655\u7406\u4f86\u89e3\u6c7a <code>ORA-19740<\/code> \u932f\u8aa4\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e9%81%a0%e7%a8%8b%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-sSKikWacfh\">1. \u9060\u7a0b\u9023\u63a5\u6578\u64da\u5eab<\/h3>\n<p>\u4f7f\u7528 SQL*Plus \u6216\u5176\u4ed6\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff0c\u901a\u904e\u9060\u7a0b\u9023\u63a5\u5230 Oracle \u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"2-%e5%9f%b7%e8%a1%8c%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4-sSKikWacfh\">2. \u57f7\u884c\u6545\u969c\u6392\u9664<\/h3>\n<p>\u5728\u9060\u7a0b\u74b0\u5883\u4e2d\uff0c\u91cd\u8907\u4e0a\u8ff0\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f\uff0c\u6aa2\u67e5\u6578\u64da\u9577\u5ea6\u548c\u8868\u7d50\u69cb\u3002<\/p>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e5%92%8c%e8%a8%98%e9%8c%84-sSKikWacfh\">3. \u76e3\u63a7\u548c\u8a18\u9304<\/h3>\n<p>\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u5efa\u8b70\u8a18\u9304\u6240\u6709\u64cd\u4f5c\u548c\u8b8a\u66f4\uff0c\u4ee5\u4fbf\u65e5\u5f8c\u67e5\u8a62\u548c\u5206\u6790\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-sSKikWacfh\">\u7e3d\u7d50<\/h2>\n<p>\u9047\u5230 <code>ORA-19740<\/code> \u932f\u8aa4\u6642\uff0c\u53ca\u6642\u9032\u884c\u6545\u969c\u6392\u9664\u548c\u4fee\u5fa9\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u9577\u5ea6\u3001\u8abf\u6574\u8868\u7d50\u69cb\u4ee5\u53ca\u9032\u884c\u9060\u7a0b\u8655\u7406\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-19740 \u932f\u8aa4\uff0c\u6587\u672c\u9577\u5ea6\u8d85\u904e\u9650\u5236\u7684\u554f\u984c\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u7684\u6709\u6548\u65b9\u6cd5\u8207\u6b65\u9a5f\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-87676","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87676","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=87676"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87676\/revisions"}],"predecessor-version":[{"id":87677,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87676\/revisions\/87677"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=87676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=87676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=87676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}