{"id":93206,"date":"2024-10-19T12:03:18","date_gmt":"2024-10-19T04:03:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93206\/"},"modified":"2024-10-19T12:03:18","modified_gmt":"2024-10-19T04:03:18","slug":"ora-49440-%e8%a7%a3%e5%8c%85%e5%8c%85%e6%99%82%e5%87%ba%e7%8f%be%e8%ad%a6%e5%91%8a%ef%bc%8c%e8%a9%b3%e6%83%85%e8%a6%8b%e6%96%87%e4%bb%b6-string-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/93206\/","title":{"rendered":"ORA-49440: \u89e3\u5305\u5305\u6642\u51fa\u73fe\u8b66\u544a\uff0c\u8a73\u60c5\u898b\u6587\u4ef6 string ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-49440-%e8%a7%a3%e5%8c%85%e5%8c%85%e6%99%82%e5%87%ba%e7%8f%be%e8%ad%a6%e5%91%8a%ef%bc%8c%e8%a9%b3%e6%83%85%e8%a6%8b%e6%96%87%e4%bb%b6-string-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae-VANsgXqXjS\">ORA-49440: \u89e3\u5305\u5305\u6642\u51fa\u73fe\u8b66\u544a\uff0c\u8a73\u60c5\u898b\u6587\u4ef6 string ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662fORA-49440\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u89e3\u5305\u904e\u7a0b\u4e2d\u7684\u8b66\u544a\u6709\u95dc\uff0c\u4e26\u4e14\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eORA-49440\u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"ora-49440%e7%9a%84%e6%88%90%e5%9b%a0-VANsgXqXjS\">ORA-49440\u7684\u6210\u56e0<\/h2>\n<p>ORA-49440\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528Oracle\u7684PL\/SQL\u5305\u6642\uff0c\u5c24\u5176\u662f\u5728\u9032\u884c\u6578\u64da\u89e3\u5305\u64cd\u4f5c\u6642\u3002\u9019\u500b\u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u683c\u5f0f\u4e0d\u6b63\u78ba\uff1a<\/strong>\u7576\u6578\u64da\u5305\u7684\u683c\u5f0f\u8207\u9810\u671f\u4e0d\u7b26\u6642\uff0cOracle\u6703\u767c\u51fa\u8b66\u544a\uff0c\u5c0e\u81f4ORA-49440\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7248\u672c\u4e0d\u517c\u5bb9\uff1a<\/strong>\u5982\u679c\u4f7f\u7528\u7684Oracle\u7248\u672c\u8207\u6578\u64da\u5305\u7684\u7248\u672c\u4e0d\u5339\u914d\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7db2\u7d61\u554f\u984c\uff1a<\/strong>\u5728\u9060\u7a0b\u8655\u7406\u904e\u7a0b\u4e2d\uff0c\u7db2\u7d61\u4e0d\u7a69\u5b9a\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5305\u672a\u80fd\u6b63\u78ba\u89e3\u5305\u3002<\/li>\n<\/ul>\n<h2 id=\"ora-49440%e7%9a%84%e5%bd%b1%e9%9f%bf-VANsgXqXjS\">ORA-49440\u7684\u5f71\u97ff<\/h2>\n<p>\u7576ORA-49440\u932f\u8aa4\u767c\u751f\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\u7684\u5f71\u97ff\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e1f\u5931\uff1a<\/strong>\u5982\u679c\u89e3\u5305\u904e\u7a0b\u4e2d\u51fa\u73fe\u932f\u8aa4\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u90e8\u5206\u6578\u64da\u7121\u6cd5\u6b63\u78ba\u8b80\u53d6\u6216\u5beb\u5165\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u6301\u7e8c\u7684\u932f\u8aa4\u53ef\u80fd\u6703\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\uff0c\u5c0e\u81f4\u67e5\u8a62\u548c\u64cd\u4f5c\u7684\u5ef6\u9072\u3002<\/li>\n<li><strong>\u7528\u6236\u9ad4\u9a57\u53d7\u640d\uff1a<\/strong>\u5c0d\u65bc\u4f9d\u8cf4\u6578\u64da\u5eab\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u7528\u6236\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\u63d0\u793a\uff0c\u5f71\u97ff\u4f7f\u7528\u9ad4\u9a57\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-VANsgXqXjS\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7aORA-49440\u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%8c%85%e6%a0%bc%e5%bc%8f-VANsgXqXjS\">1. \u6aa2\u67e5\u6578\u64da\u5305\u683c\u5f0f<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u6578\u64da\u5305\u7684\u683c\u5f0f\u6b63\u78ba\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bPL\/SQL\u4ee3\u78bc\u6aa2\u67e5\u6578\u64da\u5305\u7684\u7d50\u69cb\uff1a<\/p>\n<pre><code>DECLARE\n    v_data VARCHAR2(100);\nBEGIN\n    -- \u5047\u8a2d\u9019\u662f\u8981\u89e3\u5305\u7684\u6578\u64da\n    v_data := 'YOUR_DATA_HERE';\n    -- \u6aa2\u67e5\u6578\u64da\u683c\u5f0f\n    IF v_data IS NULL THEN\n        RAISE_APPLICATION_ERROR(-20001, '\u6578\u64da\u5305\u683c\u5f0f\u4e0d\u6b63\u78ba');\n    END IF;\nEND;<\/code><\/pre>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e7%89%88%e6%9c%ac%e5%85%bc%e5%ae%b9%e6%80%a7-VANsgXqXjS\">2. \u78ba\u8a8d\u7248\u672c\u517c\u5bb9\u6027<\/h3>\n<p>\u6aa2\u67e5Oracle\u6578\u64da\u5eab\u7684\u7248\u672c\uff0c\u78ba\u4fdd\u5176\u8207\u6578\u64da\u5305\u7684\u7248\u672c\u76f8\u7b26\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u7576\u524dOracle\u7248\u672c\uff1a<\/p>\n<pre><code>SELECT * FROM v$version;<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e7%b6%b2%e7%b5%a1%e9%80%a3%e6%8e%a5-VANsgXqXjS\">3. \u6aa2\u67e5\u7db2\u7d61\u9023\u63a5<\/h3>\n<p>\u5982\u679c\u662f\u5728\u9060\u7a0b\u8655\u7406\u904e\u7a0b\u4e2d\u51fa\u73fe\u6b64\u932f\u8aa4\uff0c\u8acb\u6aa2\u67e5\u7db2\u7d61\u9023\u63a5\u662f\u5426\u7a69\u5b9a\u3002\u53ef\u4ee5\u4f7f\u7528ping\u547d\u4ee4\u4f86\u6e2c\u8a66\u9023\u63a5\uff1a<\/p>\n<pre><code>ping YOUR_DATABASE_HOST<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-VANsgXqXjS\">\u9060\u7a0b\u8655\u7406\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u61c9\u7279\u5225\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7a69\u5b9a\u7684\u7db2\u7d61\u74b0\u5883\uff1a<\/strong>\u78ba\u4fdd\u7db2\u7d61\u9023\u63a5\u7a69\u5b9a\uff0c\u4ee5\u907f\u514d\u6578\u64da\u5305\u5728\u50b3\u8f38\u904e\u7a0b\u4e2d\u51fa\u73fe\u554f\u984c\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff1a<\/strong>\u5728\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528\u76e3\u63a7\u5de5\u5177\u4f86\u8ddf\u8e2a\u7cfb\u7d71\u6027\u80fd\uff0c\u53ca\u6642\u767c\u73fe\u4e26\u89e3\u6c7a\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VANsgXqXjS\">\u7e3d\u7d50<\/h2>\n<p>ORA-49440\u932f\u8aa4\u662f\u4e00\u500b\u5e38\u898b\u7684Oracle\u6578\u64da\u5eab\u554f\u984c\uff0c\u4e3b\u8981\u8207\u6578\u64da\u5305\u7684\u89e3\u5305\u904e\u7a0b\u6709\u95dc\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u683c\u5f0f\u3001\u78ba\u8a8d\u7248\u672c\u517c\u5bb9\u6027\u4ee5\u53ca\u4fdd\u6301\u7a69\u5b9a\u7684\u7db2\u7d61\u9023\u63a5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ORA-49440: \u89e3\u5305\u5305\u6642\u51fa\u73fe\u8b66\u544a\uff0c\u8a73\u60c5\u898b\u6587\u4ef6\u3002\u4e86\u89e3 ORACLE \u5831\u932f\u539f\u56e0\u53ca\u6545\u969c\u4fee\u5fa9\u65b9\u6cd5\uff0c\u8f15\u9b06\u9032\u884c\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-93206","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93206","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=93206"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93206\/revisions"}],"predecessor-version":[{"id":93207,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93206\/revisions\/93207"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93206"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93206"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}