{"id":82623,"date":"2024-10-16T20:53:21","date_gmt":"2024-10-16T12:53:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/82623\/"},"modified":"2024-10-16T20:53:21","modified_gmt":"2024-10-16T12:53:21","slug":"ora-01480-str-%e7%b6%81%e5%ae%9a%e5%80%bc%e4%b8%ad%e7%bc%ba%e5%b0%91%e5%b0%be%e9%9a%a8-null-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\/82623\/","title":{"rendered":"ORA-01480: STR \u7d81\u5b9a\u503c\u4e2d\u7f3a\u5c11\u5c3e\u96a8 NULL ORACLE\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-01480-str-%e7%b6%81%e5%ae%9a%e5%80%bc%e4%b8%ad%e7%bc%ba%e5%b0%91%e5%b0%be%e9%9a%a8-null-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-hopxYRhWPA\">ORA-01480: STR \u7d81\u5b9a\u503c\u4e2d\u7f3a\u5c11\u5c3e\u96a8 NULL ORACLE\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\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-01480<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528\u5b57\u7b26\u4e32\u7d81\u5b9a\u8b8a\u91cf\u6642\uff0c\u8868\u793a\u5728\u7d81\u5b9a\u7684\u5b57\u7b26\u4e32\u4e2d\u7f3a\u5c11\u5c3e\u96a8\u7684NULL\u503c\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=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-hopxYRhWPA\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728Oracle\u4e2d\u57f7\u884cSQL\u8a9e\u53e5\u6642\uff0c\u53ef\u80fd\u6703\u4f7f\u7528\u5230\u7d81\u5b9a\u8b8a\u91cf\u3002\u9019\u4e9b\u8b8a\u91cf\u53ef\u4ee5\u5e6b\u52a9\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\uff0c\u4e26\u9632\u6b62SQL\u6ce8\u5165\u653b\u64ca\u3002\u7136\u800c\uff0c\u7576\u7d81\u5b9a\u7684\u5b57\u7b26\u4e32\u7f3a\u5c11\u5c3e\u96a8\u7684NULL\u503c\u6642\uff0c\u5c31\u6703\u5f15\u767c <code>ORA-01480<\/code> \u932f\u8aa4\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u6578\u64da\u985e\u578b\u9032\u884c\u7d81\u5b9a\u3002<\/li>\n<li>\u5728\u7d81\u5b9a\u5b57\u7b26\u4e32\u6642\uff0c\u672a\u6b63\u78ba\u8655\u7406\u5b57\u7b26\u4e32\u7684\u7d50\u5c3e\u3002<\/li>\n<li>\u5728PL\/SQL\u584a\u4e2d\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%bd%b1%e9%9f%bf-hopxYRhWPA\">\u932f\u8aa4\u5f71\u97ff<\/h2>\n<p>\u9019\u500b\u932f\u8aa4\u6703\u5c0e\u81f4SQL\u67e5\u8a62\u7121\u6cd5\u6b63\u5e38\u57f7\u884c\uff0c\u5f9e\u800c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u9019\u7a2e\u932f\u8aa4\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u5931\u6557\uff0c\u9032\u800c\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-hopxYRhWPA\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9 <code>ORA-01480<\/code> \u932f\u8aa4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e7%b6%81%e5%ae%9a%e8%ae%8a%e9%87%8f%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-hopxYRhWPA\">1. \u6aa2\u67e5\u7d81\u5b9a\u8b8a\u91cf\u7684\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u5728SQL\u8a9e\u53e5\u4e2d\u4f7f\u7528\u7684\u7d81\u5b9a\u8b8a\u91cf\u8207\u6578\u64da\u5eab\u4e2d\u5b9a\u7fa9\u7684\u6578\u64da\u985e\u578b\u76f8\u5339\u914d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u7684\u6578\u64da\u5eab\u5b57\u6bb5\u662fVARCHAR2\u985e\u578b\uff0c\u5247\u7d81\u5b9a\u8b8a\u91cf\u4e5f\u61c9\u8a72\u662fVARCHAR2\u3002<\/p>\n<pre><code>DECLARE\n    v_name VARCHAR2(50);\nBEGIN\n    v_name := 'John Doe';\n    EXECUTE IMMEDIATE 'INSERT INTO users (name) VALUES (:name)' USING v_name;\nEND;\n<\/code><\/pre>\n<h3 id=\"2-%e7%a2%ba%e4%bf%9d%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e7%b5%90%e5%b0%be%e8%99%95%e7%90%86%e6%ad%a3%e7%a2%ba-hopxYRhWPA\">2. \u78ba\u4fdd\u5b57\u7b26\u4e32\u7684\u7d50\u5c3e\u8655\u7406\u6b63\u78ba<\/h3>\n<p>\u5728\u4f7f\u7528\u5b57\u7b26\u4e32\u6642\uff0c\u7279\u5225\u662f\u5728PL\/SQL\u4e2d\uff0c\u78ba\u4fdd\u5b57\u7b26\u4e32\u7684\u7d50\u5c3e\u6709\u6b63\u78ba\u7684NULL\u503c\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5728\u5b57\u7b26\u4e32\u5f8c\u6dfb\u52a0NULL\u4f86\u5be6\u73fe\u3002<\/p>\n<pre><code>DECLARE\n    v_name VARCHAR2(50);\nBEGIN\n    v_name := 'John Doe' || NULL; -- \u78ba\u4fdd\u5c3e\u96a8NULL\n    EXECUTE IMMEDIATE 'INSERT INTO users (name) VALUES (:name)' USING v_name;\nEND;\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8dbms_output%e9%80%b2%e8%a1%8c%e8%aa%bf%e8%a9%a6-hopxYRhWPA\">3. \u4f7f\u7528DBMS_OUTPUT\u9032\u884c\u8abf\u8a66<\/h3>\n<p>\u5728\u8abf\u8a66\u904e\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DBMS_OUTPUT.PUT_LINE<\/code> \u4f86\u8f38\u51fa\u8b8a\u91cf\u7684\u503c\uff0c\u5e6b\u52a9\u4f60\u78ba\u5b9a\u554f\u984c\u6240\u5728\u3002<\/p>\n<pre><code>BEGIN\n    DBMS_OUTPUT.PUT_LINE('Name: ' || v_name);\nEND;\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-hopxYRhWPA\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u4e4b\uff0c<code>ORA-01480<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u7d81\u5b9a\u8b8a\u91cf\u7684\u5c3e\u96a8NULL\u7f3a\u5931\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u78ba\u4fdd\u5b57\u7b26\u4e32\u7d50\u5c3e\u8655\u7406\u6b63\u78ba\u4ee5\u53ca\u4f7f\u7528\u8abf\u8a66\u5de5\u5177\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4e86\u89e3\u9019\u4e9b\u5e38\u898b\u932f\u8aa4\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aORA-01480\u932f\u8aa4\uff0c\u4fee\u5fa9STR\u7d81\u5b9a\u503c\u7f3a\u5c11\u5c3e\u96a8NULL\u7684\u554f\u984c\uff0c\u63d0\u4f9b\u9060\u7a0b\u8655\u7406\u65b9\u6848\uff0c\u63d0\u5347Oracle\u6578\u64da\u5eab\u7a69\u5b9a\u6027\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-82623","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/82623","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=82623"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/82623\/revisions"}],"predecessor-version":[{"id":82624,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/82623\/revisions\/82624"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=82623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=82623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=82623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}