{"id":91042,"date":"2024-10-18T17:51:18","date_gmt":"2024-10-18T09:51:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/91042\/"},"modified":"2024-10-18T17:51:19","modified_gmt":"2024-10-18T09:51:19","slug":"ora-29508-query-derived-from-using-clause-did-not-select-a-value-of-type-string-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\/91042\/","title":{"rendered":"ORA-29508: query derived from USING clause did not select a value of type string ORACLE\u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-29508-query-derived-from-using-clause-did-not-select-a-value-of-type-string-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-psfUMXqYuX\">ORA-29508: query derived from USING clause did not select a value of type string 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\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662fORA-29508\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u4f7f\u7528\u5b50\u53e5\uff08USING clause\uff09\u6709\u95dc\uff0c\u4e26\u4e14\u8868\u793a\u67e5\u8a62\u672a\u80fd\u9078\u64c7\u5230\u6b63\u78ba\u985e\u578b\u7684\u503c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eORA-29508\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-29508%e7%9a%84%e5%8e%9f%e5%9b%a0-psfUMXqYuX\">ORA-29508\u7684\u539f\u56e0<\/h2>\n<p>ORA-29508\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u57f7\u884cSQL\u67e5\u8a62\u6642\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528JOIN\u64cd\u4f5c\u6642\u3002\u7576\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86USING\u5b50\u53e5\uff0c\u4f46\u6240\u9078\u64c7\u7684\u5217\u985e\u578b\u4e0d\u5339\u914d\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u5169\u500b\u8868\u4e2d\u7684\u5217\u985e\u578b\u4e0d\u4e00\u81f4\u6642\uff0c\u4f8b\u5982\u4e00\u500b\u662fVARCHAR2\u800c\u53e6\u4e00\u500b\u662fNUMBER\uff0c\u5247\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u7f3a\u5c11\u5fc5\u8981\u7684\u5217\uff1a<\/strong>\u5982\u679c\u5728USING\u5b50\u53e5\u4e2d\u6307\u5b9a\u7684\u5217\u5728\u67d0\u500b\u8868\u4e2d\u4e0d\u5b58\u5728\uff0c\u5247\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/li>\n<li><strong>\u932f\u8aa4\u7684\u67e5\u8a62\u8a9e\u6cd5\uff1a<\/strong>\u4e0d\u6b63\u78ba\u7684SQL\u8a9e\u6cd5\u6216\u62fc\u5beb\u932f\u8aa4\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9ora-29508%e9%8c%af%e8%aa%a4-psfUMXqYuX\">\u5982\u4f55\u4fee\u5fa9ORA-29508\u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9ORA-29508\u932f\u8aa4\u7684\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-psfUMXqYuX\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u53c3\u8207JOIN\u64cd\u4f5c\u7684\u8868\u4e2d\uff0cUSING\u5b50\u53e5\u6240\u5f15\u7528\u7684\u5217\u7684\u6578\u64da\u985e\u578b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u5217\u7684\u6578\u64da\u985e\u578b\uff1a<\/p>\n<pre><code>SELECT column_name, data_type \nFROM user_tab_columns \nWHERE table_name = 'YOUR_TABLE_NAME';<\/code><\/pre>\n<p>\u78ba\u4fdd\u6240\u6709\u53c3\u8207\u7684\u5217\u5177\u6709\u76f8\u540c\u7684\u6578\u64da\u985e\u578b\u3002\u5982\u679c\u4e0d\u4e00\u81f4\uff0c\u5247\u9700\u8981\u9032\u884c\u985e\u578b\u8f49\u63db\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e5%88%97%e7%9a%84%e5%ad%98%e5%9c%a8%e6%80%a7-psfUMXqYuX\">2. \u78ba\u8a8d\u5217\u7684\u5b58\u5728\u6027<\/h3>\n<p>\u78ba\u4fdd\u5728USING\u5b50\u53e5\u4e2d\u6307\u5b9a\u7684\u5217\u5728\u6240\u6709\u53c3\u8207\u7684\u8868\u4e2d\u90fd\u5b58\u5728\u3002\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u8868\u7d50\u69cb\u4f86\u78ba\u8a8d\uff1a<\/p>\n<pre><code>DESCRIBE YOUR_TABLE_NAME;<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5sql%e8%aa%9e%e6%b3%95-psfUMXqYuX\">3. \u6aa2\u67e5SQL\u8a9e\u6cd5<\/h3>\n<p>\u4ed4\u7d30\u6aa2\u67e5SQL\u67e5\u8a62\u7684\u8a9e\u6cd5\uff0c\u78ba\u4fdd\u6c92\u6709\u62fc\u5beb\u932f\u8aa4\u6216\u8a9e\u6cd5\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u6b63\u78ba\u7684\u4f7f\u7528USING\u5b50\u53e5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * \nFROM table1 \nJOIN table2 \nUSING (common_column);<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e8%88%87%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4-psfUMXqYuX\">\u9060\u7a0b\u8655\u7406\u8207\u6545\u969c\u6392\u9664<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u9032\u884c\u6545\u969c\u6392\u9664\u3002\u9019\u6642\uff0c\u9060\u7a0b\u8655\u7406\u5de5\u5177\u53ef\u4ee5\u6d3e\u4e0a\u7528\u5834\u3002\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u6216SSH\u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u4e26\u57f7\u884c\u4e0a\u8ff0\u6aa2\u67e5\u6b65\u9a5f\u3002\u78ba\u4fdd\u5728\u9032\u884c\u4efb\u4f55\u66f4\u6539\u4e4b\u524d\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-psfUMXqYuX\">\u7d50\u8ad6<\/h2>\n<p>ORA-29508\u932f\u8aa4\u53ef\u80fd\u6703\u5c0d\u958b\u767c\u8005\u9020\u6210\u56f0\u64fe\uff0c\u4f46\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u5217\u7684\u5b58\u5728\u6027\u4ee5\u53caSQL\u8a9e\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u7684\u6545\u969c\u6392\u9664\u6b65\u9a5f\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u958b\u767c\u6548\u7387\uff0c\u4e26\u6e1b\u5c11\u672a\u4f86\u51fa\u73fe\u985e\u4f3c\u932f\u8aa4\u7684\u53ef\u80fd\u6027\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 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u66f4\u591a\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to troubleshoot ORA-29508: query derived from USING clause did not select a value of type string in Oracle. Remote handling solutions included.<\/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-91042","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91042","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=91042"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91042\/revisions"}],"predecessor-version":[{"id":91043,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91042\/revisions\/91043"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=91042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=91042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=91042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}