{"id":91222,"date":"2024-10-18T19:25:17","date_gmt":"2024-10-18T11:25:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/91222\/"},"modified":"2024-10-18T19:25:18","modified_gmt":"2024-10-18T11:25:18","slug":"ora-30004-%e4%bd%bf%e7%94%a8-sys_connect_by_path-%e5%87%bd%e6%95%b8%e6%99%82%ef%bc%8c%e4%b8%8d%e8%83%bd%e5%b0%87%e5%88%86%e9%9a%94%e7%ac%a6%e4%bd%9c%e7%82%ba%e5%88%97%e5%80%bc%e7%9a%84%e4%b8%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/91222\/","title":{"rendered":"ORA-30004: \u4f7f\u7528 SYS_CONNECT_BY_PATH \u51fd\u6578\u6642\uff0c\u4e0d\u80fd\u5c07\u5206\u9694\u7b26\u4f5c\u70ba\u5217\u503c\u7684\u4e00\u90e8\u5206 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-30004-%e4%bd%bf%e7%94%a8-sys_connect_by_path-%e5%87%bd%e6%95%b8%e6%99%82%ef%bc%8c%e4%b8%8d%e8%83%bd%e5%b0%87%e5%88%86%e9%9a%94%e7%ac%a6%e4%bd%9c%e7%82%ba%e5%88%97%e5%80%bc%e7%9a%84%e4%b8%80-JUNngCEKes\">ORA-30004: \u4f7f\u7528 SYS_CONNECT_BY_PATH \u51fd\u6578\u6642\uff0c\u4e0d\u80fd\u5c07\u5206\u9694\u7b26\u4f5c\u70ba\u5217\u503c\u7684\u4e00\u90e8\u5206 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u7d93\u5e38\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-30004<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528 <code>SYS_CONNECT_BY_PATH<\/code> \u51fd\u6578\u6642\uff0c\u7576\u5217\u503c\u4e2d\u5305\u542b\u4e86\u5206\u9694\u7b26\uff0c\u5c0e\u81f4\u7121\u6cd5\u6b63\u78ba\u751f\u6210\u8def\u5f91\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-JUNngCEKes\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p><code>ORA-30004<\/code> \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f <code>SYS_CONNECT_BY_PATH<\/code> \u51fd\u6578\u5728\u751f\u6210\u5c64\u6b21\u7d50\u69cb\u8def\u5f91\u6642\uff0c\u4f7f\u7528\u7684\u5206\u9694\u7b26\u8207\u5217\u503c\u4e2d\u7684\u67d0\u4e9b\u5b57\u7b26\u76f8\u540c\u3002\u9019\u6703\u5c0e\u81f4 Oracle \u7121\u6cd5\u6b63\u78ba\u89e3\u6790\u8def\u5f91\uff0c\u5f9e\u800c\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u5305\u542b\u90e8\u9580\u7d50\u69cb\u7684\u8868\u683c\uff0c\u4e26\u4e14\u4f7f\u7528\u659c\u6760\uff08\/\uff09\u4f5c\u70ba\u5206\u9694\u7b26\u3002\u5982\u679c\u90e8\u9580\u540d\u7a31\u4e2d\u4e5f\u5305\u542b\u659c\u6760\uff0c\u5247\u5728\u751f\u6210\u8def\u5f91\u6642\u6703\u51fa\u73fe\u6df7\u6dc6\uff0c\u6700\u7d42\u5c0e\u81f4 <code>ORA-30004<\/code> \u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-JUNngCEKes\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 <code>SYS_CONNECT_BY_PATH<\/code> \u51fd\u6578\uff1a<\/p>\n<pre><code>SELECT \n    LEVEL,\n    SYS_CONNECT_BY_PATH(department_name, '\/') AS path\nFROM \n    departments\nSTART WITH \n    manager_id IS NULL\nCONNECT BY \n    PRIOR department_id = manager_id;<\/code><\/pre>\n<p>\u5982\u679c <code>department_name<\/code> \u4e2d\u7684\u67d0\u500b\u503c\u70ba &#8220;Sales\/Marketing&#8221;\uff0c\u5247\u5728\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\u6642\uff0c\u5c07\u6703\u5f15\u767c <code>ORA-30004<\/code> \u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-JUNngCEKes\">\u6545\u969c\u4fee\u5fa9<\/h2>\n<p>\u8981\u4fee\u5fa9 <code>ORA-30004<\/code> \u932f\u8aa4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u66f4\u6539\u5206\u9694\u7b26\uff1a<\/strong>\u9078\u64c7\u4e00\u500b\u4e0d\u6703\u51fa\u73fe\u5728\u5217\u503c\u4e2d\u7684\u5b57\u7b26\u4f5c\u70ba\u5206\u9694\u7b26\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e95\u865f\uff08#\uff09\u6216\u5176\u4ed6\u7279\u6b8a\u5b57\u7b26\u3002<\/li>\n<li><strong>\u6e05\u7406\u6578\u64da\uff1a<\/strong>\u6aa2\u67e5\u6578\u64da\u5eab\u4e2d\u7684\u5217\u503c\uff0c\u78ba\u4fdd\u4e0d\u5305\u542b\u5206\u9694\u7b26\u3002\u5982\u679c\u6709\u5fc5\u8981\uff0c\u53ef\u4ee5\u5c0d\u6578\u64da\u9032\u884c\u6e05\u7406\u6216\u8f49\u63db\u3002<\/li>\n<li><strong>\u4f7f\u7528\u66ff\u4ee3\u51fd\u6578\uff1a<\/strong>\u5982\u679c <code>SYS_CONNECT_BY_PATH<\/code> \u51fd\u6578\u4e0d\u7b26\u5408\u9700\u6c42\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\u4f86\u751f\u6210\u5c64\u6b21\u7d50\u69cb\u8def\u5f91\uff0c\u4f8b\u5982\u4f7f\u7528\u905e\u6b78\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h3 id=\"%e6%9b%b4%e6%94%b9%e5%88%86%e9%9a%94%e7%ac%a6%e7%a4%ba%e4%be%8b-JUNngCEKes\">\u66f4\u6539\u5206\u9694\u7b26\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u66f4\u6539\u5206\u9694\u7b26\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT \n    LEVEL,\n    SYS_CONNECT_BY_PATH(department_name, '#') AS path\nFROM \n    departments\nSTART WITH \n    manager_id IS NULL\nCONNECT BY \n    PRIOR department_id = manager_id;<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-JUNngCEKes\">\u9060\u7a0b\u8655\u7406<\/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\u4fee\u5fa9\u3002\u9019\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9060\u7a0b\u8655\u7406\u5de5\u5177\u4f86\u5354\u52a9\u89e3\u6c7a\u554f\u984c\u3002\u8a31\u591a\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u90fd\u63d0\u4f9b\u4e86\u9060\u7a0b\u9023\u63a5\u529f\u80fd\uff0c\u5141\u8a31\u958b\u767c\u8005\u5728\u4e0d\u540c\u7684\u74b0\u5883\u4e2d\u9032\u884c\u6545\u969c\u6392\u9664\u3002<\/p>\n<p>\u5728\u9032\u884c\u9060\u7a0b\u8655\u7406\u6642\uff0c\u5efa\u8b70\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u6709\u9069\u7576\u7684\u6b0a\u9650\u4f86\u8a2a\u554f\u6578\u64da\u5eab\u3002<\/li>\n<li>\u4f7f\u7528\u5b89\u5168\u7684\u9023\u63a5\u65b9\u5f0f\uff0c\u4f8b\u5982 VPN \u6216 SSH\u3002<\/li>\n<li>\u5728\u9032\u884c\u4efb\u4f55\u66f4\u6539\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JUNngCEKes\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c<code>ORA-30004<\/code> \u932f\u8aa4\u53ef\u80fd\u6703\u5f71\u97ff\u958b\u767c\u8005\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002\u901a\u904e\u4e86\u89e3\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u8655\u7406\u9019\u4e00\u554f\u984c\u3002\u7121\u8ad6\u662f\u66f4\u6539\u5206\u9694\u7b26\u3001\u6e05\u7406\u6578\u64da\u9084\u662f\u4f7f\u7528\u9060\u7a0b\u8655\u7406\u5de5\u5177\uff0c\u9019\u4e9b\u65b9\u6cd5\u90fd\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u6062\u5fa9\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u8cc7\u8a0a\uff0c\u6216\u60f3\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-30004 \u932f\u8aa4\uff0c\u4e86\u89e3 SYS_CONNECT_BY_PATH \u51fd\u6578\u7684\u4f7f\u7528\u9650\u5236\uff0c\u4e26\u7372\u53d6\u9060\u7a0b\u8655\u7406\u7684\u6545\u969c\u4fee\u5fa9\u65b9\u6cd5\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-91222","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91222","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=91222"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91222\/revisions"}],"predecessor-version":[{"id":91223,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91222\/revisions\/91223"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=91222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=91222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=91222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}