{"id":87490,"date":"2024-10-18T01:29:18","date_gmt":"2024-10-17T17:29:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/87490\/"},"modified":"2024-10-18T01:29:19","modified_gmt":"2024-10-17T17:29:19","slug":"ora-19268-xqst0048-%e5%91%bd%e5%90%8d%e7%a9%ba%e9%96%93-string-%e8%88%87%e7%9b%ae%e6%a8%99%e5%91%bd%e5%90%8d%e7%a9%ba%e9%96%93-string-%e4%b8%8d%e5%8c%b9%e9%85%8d-oracle-%e5%a0%b1%e9%8c%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/87490\/","title":{"rendered":"ORA-19268: XQST0048 \u2013 \u547d\u540d\u7a7a\u9593 string \u8207\u76ee\u6a19\u547d\u540d\u7a7a\u9593 string \u4e0d\u5339\u914d ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-19268-xqst0048-%e5%91%bd%e5%90%8d%e7%a9%ba%e9%96%93-string-%e8%88%87%e7%9b%ae%e6%a8%99%e5%91%bd%e5%90%8d%e7%a9%ba%e9%96%93-string-%e4%b8%8d%e5%8c%b9%e9%85%8d-oracle-%e5%a0%b1%e9%8c%af-cqQolhKRlA\">ORA-19268: XQST0048 \u2013 \u547d\u540d\u7a7a\u9593 string \u8207\u76ee\u6a19\u547d\u540d\u7a7a\u9593 string \u4e0d\u5339\u914d ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u9032\u884c XML \u64cd\u4f5c\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u932f\u8aa4\u4ee3\u78bc <strong>ORA-19268<\/strong>\uff0c\u5177\u9ad4\u4fe1\u606f\u70ba <strong>XQST0048 \u2013 \u547d\u540d\u7a7a\u9593 string \u8207\u76ee\u6a19\u547d\u540d\u7a7a\u9593 string \u4e0d\u5339\u914d<\/strong>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728 XML \u67e5\u8a62\u6216\u8655\u7406\u904e\u7a0b\u4e2d\uff0c\u7576\u547d\u540d\u7a7a\u9593\u4e0d\u4e00\u81f4\u6642\uff0cOracle \u5c07\u7121\u6cd5\u6b63\u78ba\u89e3\u6790 XML \u6587\u6a94\uff0c\u5f9e\u800c\u5c0e\u81f4\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-cqQolhKRlA\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u5728 XML \u4e2d\uff0c\u547d\u540d\u7a7a\u9593\u7528\u65bc\u5340\u5206\u4e0d\u540c\u7684\u5143\u7d20\u548c\u5c6c\u6027\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u4f86\u81ea\u4e0d\u540c\u4f86\u6e90\u7684 XML \u6587\u6a94\u6642\u3002\u7576\u4f60\u5728 Oracle \u4e2d\u57f7\u884c XML \u67e5\u8a62\u6642\uff0c\u7cfb\u7d71\u6703\u6aa2\u67e5 XML \u6587\u6a94\u4e2d\u7684\u547d\u540d\u7a7a\u9593\u8207\u67e5\u8a62\u4e2d\u6307\u5b9a\u7684\u547d\u540d\u7a7a\u9593\u662f\u5426\u4e00\u81f4\u3002\u5982\u679c\u4e0d\u4e00\u81f4\uff0c\u5c31\u6703\u89f8\u767c <strong>ORA-19268<\/strong> \u932f\u8aa4\u3002<\/p>\n<ul>\n<li><strong>\u547d\u540d\u7a7a\u9593\u4e0d\u5339\u914d\uff1a<\/strong>\u9019\u662f\u6700\u5e38\u898b\u7684\u539f\u56e0\u3002XML \u6587\u6a94\u4e2d\u7684\u547d\u540d\u7a7a\u9593\u8207\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u547d\u540d\u7a7a\u9593\u4e0d\u4e00\u81f4\u3002<\/li>\n<li><strong>XML \u6587\u6a94\u683c\u5f0f\u932f\u8aa4\uff1a<\/strong>\u5982\u679c XML \u6587\u6a94\u7684\u7d50\u69cb\u4e0d\u6b63\u78ba\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u547d\u540d\u7a7a\u9593\u89e3\u6790\u5931\u6557\u3002<\/li>\n<li><strong>\u67e5\u8a62\u8a9e\u53e5\u932f\u8aa4\uff1a<\/strong>\u5728\u64b0\u5beb XQuery \u6216 XPath \u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u932f\u8aa4\u5730\u6307\u5b9a\u547d\u540d\u7a7a\u9593\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-cqQolhKRlA\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u7576\u9047\u5230 <strong>ORA-19268<\/strong> \u932f\u8aa4\u6642\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u6392\u9664\u548c\u4fee\u5fa9\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-xml-%e6%96%87%e6%aa%94-cqQolhKRlA\">1. \u6aa2\u67e5 XML \u6587\u6a94<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5 XML \u6587\u6a94\u7684\u547d\u540d\u7a7a\u9593\u8072\u660e\u3002\u78ba\u4fdd\u6587\u6a94\u4e2d\u6b63\u78ba\u4f7f\u7528\u4e86\u547d\u540d\u7a7a\u9593\uff0c\u4e26\u4e14\u8207\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u547d\u540d\u7a7a\u9593\u4e00\u81f4\u3002<\/p>\n<pre><code>&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?&gt;\n&lt;root xmlns:ns=\"http:\/\/example.com\/ns\"&gt;\n    &lt;ns:element&gt;Value&lt;\/ns:element&gt;\n&lt;\/root&gt;\n<\/code><\/pre>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-cqQolhKRlA\">2. \u6aa2\u67e5\u67e5\u8a62\u8a9e\u53e5<\/h3>\n<p>\u6aa2\u67e5\u4f60\u7684 XQuery \u6216 XPath \u67e5\u8a62\uff0c\u78ba\u4fdd\u5728\u67e5\u8a62\u4e2d\u6b63\u78ba\u6307\u5b9a\u4e86\u547d\u540d\u7a7a\u9593\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT XMLTYPE('\n    &lt;root xmlns:ns=\"http:\/\/example.com\/ns\"&gt;\n        &lt;ns:element&gt;Value&lt;\/ns:element&gt;\n    &lt;\/root&gt;'\n) \nFROM dual\nWHERE XMLExists('declare namespace ns=\"http:\/\/example.com\/ns\"; \n                  \/ns:root\/ns:element' \n                  PASSING XMLTYPE('\n                      &lt;root xmlns:ns=\"http:\/\/example.com\/ns\"&gt;\n                          &lt;ns:element&gt;Value&lt;\/ns:element&gt;\n                      &lt;\/root&gt;'\n                  ));\n<\/code><\/pre>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e5%92%8c%e9%a9%97%e8%ad%89-cqQolhKRlA\">3. \u6e2c\u8a66\u548c\u9a57\u8b49<\/h3>\n<p>\u5728\u4fee\u6b63\u4e86 XML \u6587\u6a94\u548c\u67e5\u8a62\u8a9e\u53e5\u5f8c\uff0c\u91cd\u65b0\u57f7\u884c\u67e5\u8a62\u4ee5\u78ba\u8a8d\u554f\u984c\u662f\u5426\u5df2\u89e3\u6c7a\u3002\u5982\u679c\u4ecd\u7136\u51fa\u73fe\u932f\u8aa4\uff0c\u5247\u9700\u8981\u9032\u4e00\u6b65\u6aa2\u67e5 XML \u6587\u6a94\u7684\u7d50\u69cb\u548c\u5167\u5bb9\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e5%bb%ba%e8%ad%b0-cqQolhKRlA\">\u9060\u7a0b\u8655\u7406\u5efa\u8b70<\/h2>\n<p>\u5982\u679c\u5728\u672c\u5730\u74b0\u5883\u4e2d\u7121\u6cd5\u89e3\u6c7a\u554f\u984c\uff0c\u8003\u616e\u4f7f\u7528\u9060\u7a0b\u8655\u7406\u5de5\u5177\u4f86\u5354\u52a9\u8a3a\u65b7\u548c\u4fee\u5fa9\u554f\u984c\u3002\u8a31\u591a Oracle \u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u63d0\u4f9b\u4e86\u9060\u7a0b\u9023\u63a5\u529f\u80fd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u65b9\u4fbf\u5730\u9032\u884c\u6545\u969c\u6392\u9664\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-cqQolhKRlA\">\u7e3d\u7d50<\/h2>\n<p>\u9047\u5230 <strong>ORA-19268: XQST0048<\/strong> \u932f\u8aa4\u6642\uff0c\u9996\u5148\u8981\u6aa2\u67e5 XML \u6587\u6a94\u548c\u67e5\u8a62\u8a9e\u53e5\u4e2d\u7684\u547d\u540d\u7a7a\u9593\u662f\u5426\u4e00\u81f4\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u548c\u4fee\u6b63\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5982\u679c\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\uff0c\u8003\u616e\u4f7f\u7528\u5c08\u696d\u7684\u6578\u64da\u5eab\u7ba1\u7406\u670d\u52d9\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u63d0\u4f9b\u4e86\u53ef\u9760\u7684\u9078\u64c7\uff0c\u5e6b\u52a9\u7528\u6236\u8f15\u9b06\u7ba1\u7406\u548c\u904b\u884c\u5176\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-19268: XQST0048 \u932f\u8aa4\uff0c\u4fee\u5fa9\u547d\u540d\u7a7a\u9593\u4e0d\u5339\u914d\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u9060\u7a0b\u8655\u7406\u65b9\u6848\u8207\u6545\u969c\u6392\u9664\u6307\u5357\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-87490","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87490","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=87490"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87490\/revisions"}],"predecessor-version":[{"id":87491,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/87490\/revisions\/87491"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=87490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=87490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=87490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}