{"id":93304,"date":"2024-10-19T12:52:18","date_gmt":"2024-10-19T04:52:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/93304\/"},"modified":"2024-10-19T12:52:19","modified_gmt":"2024-10-19T04:52:19","slug":"ora-53201-%e5%8f%83%e6%95%b8-string-%e7%82%ba-null-%e6%88%96%e7%84%a1%e6%95%88-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\/93304\/","title":{"rendered":"ORA-53201: \u53c3\u6578 string \u70ba NULL \u6216\u7121\u6548 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-53201-%e5%8f%83%e6%95%b8-string-%e7%82%ba-null-%e6%88%96%e7%84%a1%e6%95%88-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-DVXVhycpfN\">ORA-53201: \u53c3\u6578 string \u70ba NULL \u6216\u7121\u6548 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-53201<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u67d0\u500b\u53c3\u6578\u70ba NULL \u6216\u7121\u6548\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u5931\u6557\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-53201<\/code> \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"ora-53201-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-DVXVhycpfN\">ORA-53201 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230 <code>ORA-53201<\/code> \u932f\u8aa4\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u662f\u7531\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u53c3\u6578\u672a\u8a2d\u7f6e\uff1a<\/strong>\u5728\u57f7\u884c\u67d0\u4e9b SQL \u8a9e\u53e5\u6216 PL\/SQL \u7a0b\u5e8f\u6642\uff0c\u6240\u9700\u7684\u53c3\u6578\u672a\u88ab\u6b63\u78ba\u8a2d\u7f6e\uff0c\u5c0e\u81f4\u5176\u503c\u70ba NULL\u3002<\/li>\n<li><strong>\u7121\u6548\u7684\u53c3\u6578\u503c\uff1a<\/strong>\u67d0\u4e9b\u53c3\u6578\u7684\u503c\u4e0d\u7b26\u5408\u9810\u671f\u7684\u683c\u5f0f\u6216\u7bc4\u570d\uff0c\u9019\u6703\u5c0e\u81f4 Oracle \u7121\u6cd5\u6b63\u78ba\u8655\u7406\u8acb\u6c42\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u914d\u7f6e\u554f\u984c\uff1a<\/strong>\u6578\u64da\u5eab\u7684\u914d\u7f6e\u6587\u4ef6\u53ef\u80fd\u5b58\u5728\u932f\u8aa4\uff0c\u5c0e\u81f4\u67d0\u4e9b\u53c3\u6578\u7121\u6cd5\u6b63\u78ba\u52a0\u8f09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%ad%98%e5%88%a5-ora-53201-%e9%8c%af%e8%aa%a4-DVXVhycpfN\">\u5982\u4f55\u8b58\u5225 ORA-53201 \u932f\u8aa4<\/h2>\n<p>\u7576\u4f60\u9047\u5230 <code>ORA-53201<\/code> \u932f\u8aa4\u6642\uff0cOracle \u6578\u64da\u5eab\u6703\u8fd4\u56de\u4e00\u689d\u932f\u8aa4\u6d88\u606f\uff0c\u901a\u5e38\u6703\u5305\u542b\u5177\u9ad4\u7684\u53c3\u6578\u540d\u7a31\u3002\u9019\u4e9b\u4fe1\u606f\u5c0d\u65bc\u6545\u969c\u6392\u9664\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u8b58\u5225\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u6aa2\u67e5\u932f\u8aa4\u6d88\u606f\u4e2d\u63d0\u5230\u7684\u53c3\u6578\u540d\u7a31\uff0c\u78ba\u4fdd\u5b83\u5011\u5728\u4f60\u7684 SQL \u8a9e\u53e5\u6216 PL\/SQL \u7a0b\u5e8f\u4e2d\u6b63\u78ba\u8a2d\u7f6e\u3002<\/li>\n<li>\u67e5\u770b\u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6587\u4ef6\uff0c\u5c0b\u627e\u8207\u8a72\u932f\u8aa4\u76f8\u95dc\u7684\u5176\u4ed6\u4fe1\u606f\u3002<\/li>\n<li>\u4f7f\u7528 <code>SHOW PARAMETER<\/code> \u547d\u4ee4\u6aa2\u67e5\u76f8\u95dc\u53c3\u6578\u7684\u7576\u524d\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bf%ae%e5%be%a9-ora-53201-%e9%8c%af%e8%aa%a4%e7%9a%84%e6%96%b9%e6%b3%95-DVXVhycpfN\">\u4fee\u5fa9 ORA-53201 \u932f\u8aa4\u7684\u65b9\u6cd5<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-53201<\/code> \u932f\u8aa4\u7684\u5177\u9ad4\u6b65\u9a5f\u53d6\u6c7a\u65bc\u932f\u8aa4\u7684\u6839\u672c\u539f\u56e0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4fee\u5fa9\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e4%bf%9d%e5%8f%83%e6%95%b8%e6%ad%a3%e7%a2%ba%e8%a8%ad%e7%bd%ae-DVXVhycpfN\">1. \u78ba\u4fdd\u53c3\u6578\u6b63\u78ba\u8a2d\u7f6e<\/h3>\n<p>\u6aa2\u67e5\u4f60\u7684 SQL \u8a9e\u53e5\u6216 PL\/SQL \u7a0b\u5e8f\uff0c\u78ba\u4fdd\u6240\u6709\u5fc5\u9700\u7684\u53c3\u6578\u90fd\u5df2\u6b63\u78ba\u8a2d\u7f6e\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DECLARE\n    v_param VARCHAR2(100);\nBEGIN\n    v_param := '\u6709\u6548\u503c';\n    -- \u78ba\u4fdd\u5728\u9019\u88e1\u4f7f\u7528 v_param\nEND;<\/code><\/pre>\n<h3 id=\"2-%e9%a9%97%e8%ad%89%e5%8f%83%e6%95%b8%e5%80%bc-DVXVhycpfN\">2. \u9a57\u8b49\u53c3\u6578\u503c<\/h3>\n<p>\u78ba\u4fdd\u6240\u6709\u53c3\u6578\u7684\u503c\u90fd\u7b26\u5408\u9810\u671f\u7684\u683c\u5f0f\u548c\u7bc4\u570d\u3002\u5982\u679c\u67d0\u500b\u53c3\u6578\u9700\u8981\u7279\u5b9a\u7684\u683c\u5f0f\uff0c\u8acb\u6aa2\u67e5\u4e26\u9032\u884c\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-DVXVhycpfN\">3. \u6aa2\u67e5\u6578\u64da\u5eab\u914d\u7f6e<\/h3>\n<p>\u5982\u679c\u554f\u984c\u4ecd\u7136\u5b58\u5728\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u78ba\u4fdd\u6240\u6709\u53c3\u6578\u90fd\u5df2\u6b63\u78ba\u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u7684\u914d\u7f6e\uff1a<\/p>\n<pre><code>SHOW PARAMETER;<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-53201-%e9%8c%af%e8%aa%a4-DVXVhycpfN\">\u9060\u7a0b\u8655\u7406 ORA-53201 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406 <code>ORA-53201<\/code> \u932f\u8aa4\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u6216 SSH \u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u7136\u5f8c\u57f7\u884c\u5fc5\u8981\u7684\u8a3a\u65b7\u548c\u4fee\u5fa9\u6b65\u9a5f\u3002\u78ba\u4fdd\u4f60\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u9019\u4e9b\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DVXVhycpfN\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u4e4b\uff0c<code>ORA-53201<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u53c3\u6578\u672a\u8a2d\u7f6e\u6216\u7121\u6548\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u53c3\u6578\u8a2d\u7f6e\u3001\u9a57\u8b49\u53c3\u6578\u503c\u4ee5\u53ca\u6aa2\u67e5\u6578\u64da\u5eab\u914d\u7f6e\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5982\u679c\u4f60\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u7372\u5f97\u66f4\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-53201 \u932f\u8aa4\uff0c\u53c3\u6578\u70ba NULL \u6216\u7121\u6548\u7684\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u6545\u969c\u4fee\u5fa9\u548c\u9060\u7a0b\u8655\u7406\u65b9\u6848\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-93304","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93304","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=93304"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93304\/revisions"}],"predecessor-version":[{"id":93305,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/93304\/revisions\/93305"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=93304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=93304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=93304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}