{"id":85902,"date":"2024-10-17T16:38:15","date_gmt":"2024-10-17T08:38:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/85902\/"},"modified":"2024-10-17T16:38:15","modified_gmt":"2024-10-17T08:38:15","slug":"ora-13827-%e5%9c%a8-sql-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6%e9%9b%86%e5%90%88%e4%b8%ad%e6%8c%87%e5%ae%9a%e7%9a%84%e5%b1%ac%e6%80%a7%e7%82%ba-null-%e6%88%96%e9%9b%b6%e9%95%b7%e5%ba%a6%e3%80%82oracle","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/85902\/","title":{"rendered":"ORA-13827: \u5728 SQL \u914d\u7f6e\u6587\u4ef6\u96c6\u5408\u4e2d\u6307\u5b9a\u7684\u5c6c\u6027\u70ba NULL \u6216\u96f6\u9577\u5ea6\u3002ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-13827-%e5%9c%a8-sql-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6%e9%9b%86%e5%90%88%e4%b8%ad%e6%8c%87%e5%ae%9a%e7%9a%84%e5%b1%ac%e6%80%a7%e7%82%ba-null-%e6%88%96%e9%9b%b6%e9%95%b7%e5%ba%a6-QhCRNVsxwq\">ORA-13827: \u5728 SQL \u914d\u7f6e\u6587\u4ef6\u96c6\u5408\u4e2d\u6307\u5b9a\u7684\u5c6c\u6027\u70ba NULL \u6216\u96f6\u9577\u5ea6<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \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\u5c31\u662f ORA-13827\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8868\u793a\u5728 SQL \u914d\u7f6e\u6587\u4ef6\u96c6\u5408\u4e2d\u6307\u5b9a\u7684\u67d0\u500b\u5c6c\u6027\u70ba NULL \u6216\u8005\u5176\u9577\u5ea6\u70ba\u96f6\u3002\u9019\u7bc7\u6587\u7ae0\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-QhCRNVsxwq\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>ORA-13827 \u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u914d\u7f6e\u6587\u4ef6\u554f\u984c\uff1a<\/strong>\u7576 SQL \u914d\u7f6e\u6587\u4ef6\u4e2d\u67d0\u4e9b\u5fc5\u9700\u7684\u5c6c\u6027\u672a\u6b63\u78ba\u8a2d\u7f6e\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u67d0\u4e9b\u53c3\u6578\u5982\u7528\u6236\u540d\u3001\u5bc6\u78bc\u6216\u6578\u64da\u5eab\u9023\u63a5\u5b57\u7b26\u4e32\u672a\u88ab\u6b63\u78ba\u6307\u5b9a\u3002<\/li>\n<li><strong>\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\u932f\u8aa4\uff1a<\/strong>\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5982\u679c\u5728\u57f7\u884c SQL \u67e5\u8a62\u4e4b\u524d\u672a\u5c0d\u67d0\u4e9b\u8b8a\u91cf\u9032\u884c\u521d\u59cb\u5316\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u9019\u500b\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u7248\u672c\u4e0d\u517c\u5bb9\uff1a<\/strong>\u67d0\u4e9b SQL \u914d\u7f6e\u6587\u4ef6\u53ef\u80fd\u5728\u4e0d\u540c\u7248\u672c\u7684 Oracle \u6578\u64da\u5eab\u4e2d\u8868\u73fe\u4e0d\u4e00\u81f4\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u5c6c\u6027\u70ba NULL \u6216\u96f6\u9577\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-QhCRNVsxwq\">\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe ORA-13827 \u932f\u8aa4\u6642\uff0c\u5c07\u6703\u5f71\u97ff\u5230\u6578\u64da\u5eab\u7684\u6b63\u5e38\u904b\u884c\u3002\u5177\u9ad4\u5f71\u97ff\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7121\u6cd5\u57f7\u884c\u7279\u5b9a\u7684 SQL \u67e5\u8a62\u6216\u64cd\u4f5c\uff0c\u5f9e\u800c\u5f71\u97ff\u696d\u52d9\u6d41\u7a0b\u3002<\/li>\n<li>\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u5d29\u6f70\u6216\u7121\u6cd5\u6b63\u5e38\u97ff\u61c9\u3002<\/li>\n<li>\u589e\u52a0\u4e86\u6545\u969c\u6392\u9664\u7684\u6642\u9593\u548c\u6210\u672c\uff0c\u56e0\u70ba\u9700\u8981\u6aa2\u67e5\u914d\u7f6e\u6587\u4ef6\u548c\u61c9\u7528\u7a0b\u5e8f\u4ee3\u78bc\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-QhCRNVsxwq\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9 ORA-13827 \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-sql-%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-QhCRNVsxwq\">1. \u6aa2\u67e5 SQL \u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5 SQL \u914d\u7f6e\u6587\u4ef6\u4e2d\u6240\u6709\u5c6c\u6027\u7684\u8a2d\u7f6e\u3002\u78ba\u4fdd\u6240\u6709\u5fc5\u9700\u7684\u5c6c\u6027\u90fd\u5df2\u6b63\u78ba\u8a2d\u7f6e\uff0c\u4e26\u4e14\u6c92\u6709 NULL \u6216\u96f6\u9577\u5ea6\u7684\u60c5\u6cc1\u3002<\/p>\n<pre><code>-- \u793a\u4f8b\uff1a\u6aa2\u67e5\u914d\u7f6e\u6587\u4ef6\nSELECT * FROM your_config_table WHERE property IS NULL OR LENGTH(property) = 0;<\/code><\/pre>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e4%bb%a3%e7%a2%bc-QhCRNVsxwq\">2. \u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u4ee3\u78bc<\/h3>\n<p>\u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u4ee3\u78bc\uff0c\u78ba\u4fdd\u5728\u57f7\u884c SQL \u67e5\u8a62\u4e4b\u524d\uff0c\u6240\u6709\u8b8a\u91cf\u90fd\u5df2\u6b63\u78ba\u521d\u59cb\u5316\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>-- \u793a\u4f8b\uff1a\u521d\u59cb\u5316\u8b8a\u91cf\nString username = \"your_username\";\nString password = \"your_password\";<\/code><\/pre>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e7%89%88%e6%9c%ac-QhCRNVsxwq\">3. \u66f4\u65b0\u6578\u64da\u5eab\u7248\u672c<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u554f\u984c\u8207\u6578\u64da\u5eab\u7248\u672c\u4e0d\u517c\u5bb9\u6709\u95dc\uff0c\u8003\u616e\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\u7684 Oracle \u6578\u64da\u5eab\uff0c\u6216\u8005\u6aa2\u67e5\u662f\u5426\u6709\u53ef\u7528\u7684\u88dc\u4e01\u3002<\/p>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-QhCRNVsxwq\">4. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h3>\n<p>\u5728\u9032\u884c\u4e86\u4e0a\u8ff0\u4fee\u6539\u5f8c\uff0c\u91cd\u65b0\u57f7\u884c SQL \u67e5\u8a62\u4ee5\u9a57\u8b49\u554f\u984c\u662f\u5426\u5df2\u89e3\u6c7a\u3002\u78ba\u4fdd\u6240\u6709\u529f\u80fd\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-QhCRNVsxwq\">\u7d50\u8ad6<\/h2>\n<p>ORA-13827 \u932f\u8aa4\u53ef\u80fd\u6703\u5c0d\u6578\u64da\u5eab\u7684\u6b63\u5e38\u904b\u884c\u9020\u6210\u5f71\u97ff\uff0c\u4f46\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5 SQL \u914d\u7f6e\u6587\u4ef6\u3001\u61c9\u7528\u7a0b\u5e8f\u4ee3\u78bc\u4ee5\u53ca\u6578\u64da\u5eab\u7248\u672c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002\u4fdd\u6301\u826f\u597d\u7684\u7de8\u78bc\u7fd2\u6163\u548c\u5b9a\u671f\u6aa2\u67e5\u914d\u7f6e\u6587\u4ef6\uff0c\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11\u6b64\u985e\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u6216\u6709\u95dc\u5176\u4ed6\u6578\u64da\u5eab\u7ba1\u7406\u7684\u554f\u984c\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-13827 \u932f\u8aa4\uff0c\u4e86\u89e3 SQL \u914d\u7f6e\u6587\u4ef6\u4e2d\u5c6c\u6027\u70ba NULL \u6216\u96f6\u9577\u5ea6\u7684\u539f\u56e0\uff0c\u4e26\u7372\u53d6\u9060\u7a0b\u8655\u7406\u7684\u6545\u969c\u4fee\u5fa9\u5efa\u8b70\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-85902","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85902","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=85902"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85902\/revisions"}],"predecessor-version":[{"id":85903,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/85902\/revisions\/85903"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=85902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=85902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=85902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}