{"id":92060,"date":"2024-10-19T02:27:18","date_gmt":"2024-10-18T18:27:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/92060\/"},"modified":"2024-10-19T02:27:18","modified_gmt":"2024-10-18T18:27:18","slug":"ora-38621-%e6%b1%ba%e7%ad%96%e6%a8%b9%e7%9a%84%e6%9c%80%e5%a4%a7%e6%b7%b1%e5%ba%a6%e8%a8%ad%e7%bd%ae%e4%b8%8d%e5%9c%a8-2-20-%e4%b9%8b%e9%96%93-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/92060\/","title":{"rendered":"ORA-38621: \u6c7a\u7b56\u6a39\u7684\u6700\u5927\u6df1\u5ea6\u8a2d\u7f6e\u4e0d\u5728 [2, 20] \u4e4b\u9593 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-38621-%e6%b1%ba%e7%ad%96%e6%a8%b9%e7%9a%84%e6%9c%80%e5%a4%a7%e6%b7%b1%e5%ba%a6%e8%a8%ad%e7%bd%ae%e4%b8%8d%e5%9c%a8-2-20-%e4%b9%8b%e9%96%93-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae-OkBsaBhVui\">ORA-38621: \u6c7a\u7b56\u6a39\u7684\u6700\u5927\u6df1\u5ea6\u8a2d\u7f6e\u4e0d\u5728 [2, 20] \u4e4b\u9593 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u9032\u884c\u6578\u64da\u5206\u6790\u548c\u6a5f\u5668\u5b78\u7fd2\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-38621<\/code> \u932f\u8aa4\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u6c7a\u7b56\u6a39\u6a21\u578b\u7684\u6700\u5927\u6df1\u5ea6\u8a2d\u7f6e\u6709\u95dc\uff0c\u5177\u9ad4\u4f86\u8aaa\uff0c\u5b83\u8868\u793a\u8a2d\u7f6e\u7684\u6700\u5927\u6df1\u5ea6\u4e0d\u5728\u5141\u8a31\u7684\u7bc4\u570d\u5167\uff0c\u5373 [2, 20] \u4e4b\u9593\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%e5%88%86%e6%9e%90-OkBsaBhVui\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c\u6c7a\u7b56\u6a39\u662f\u4e00\u7a2e\u5e38\u7528\u7684\u6a5f\u5668\u5b78\u7fd2\u7b97\u6cd5\uff0c\u4e3b\u8981\u7528\u65bc\u5206\u985e\u548c\u56de\u6b78\u554f\u984c\u3002\u7576\u4f7f\u7528 <code>DBMS_DATA_MINING<\/code> \u5305\u9032\u884c\u6a21\u578b\u8a13\u7df4\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u8a2d\u7f6e\u4e00\u4e9b\u53c3\u6578\uff0c\u5176\u4e2d\u5305\u62ec\u6c7a\u7b56\u6a39\u7684\u6700\u5927\u6df1\u5ea6\u3002\u5982\u679c\u8a2d\u7f6e\u7684\u6df1\u5ea6\u5c0f\u65bc 2 \u6216\u5927\u65bc 20\uff0c\u5247\u6703\u89f8\u767c <code>ORA-38621<\/code> \u932f\u8aa4\u3002<\/p>\n<h3 id=\"%e6%9c%80%e5%a4%a7%e6%b7%b1%e5%ba%a6%e7%9a%84%e6%84%8f%e7%be%a9-OkBsaBhVui\">\u6700\u5927\u6df1\u5ea6\u7684\u610f\u7fa9<\/h3>\n<p>\u6c7a\u7b56\u6a39\u7684\u6700\u5927\u6df1\u5ea6\u662f\u6307\u6a39\u7684\u5c64\u6578\u3002\u904e\u5c0f\u7684\u6df1\u5ea6\u53ef\u80fd\u5c0e\u81f4\u6a21\u578b\u7121\u6cd5\u6355\u6349\u5230\u6578\u64da\u4e2d\u7684\u8907\u96dc\u6a21\u5f0f\uff0c\u800c\u904e\u5927\u7684\u6df1\u5ea6\u5247\u53ef\u80fd\u5c0e\u81f4\u904e\u64ec\u5408\uff0c\u5f71\u97ff\u6a21\u578b\u7684\u6cdb\u5316\u80fd\u529b\u3002\u56e0\u6b64\uff0cOracle \u5c0d\u6700\u5927\u6df1\u5ea6\u8a2d\u7f6e\u4e86\u9650\u5236\uff0c\u4ee5\u78ba\u4fdd\u6a21\u578b\u7684\u6709\u6548\u6027\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-OkBsaBhVui\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u7576\u9047\u5230 <code>ORA-38621<\/code> \u932f\u8aa4\u6642\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6545\u969c\u4fee\u5fa9\uff1a<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5\u53c3\u6578\u8a2d\u7f6e\uff1a<\/strong>\u9996\u5148\uff0c\u6aa2\u67e5\u5728\u5275\u5efa\u6c7a\u7b56\u6a39\u6a21\u578b\u6642\u6240\u8a2d\u7f6e\u7684\u6700\u5927\u6df1\u5ea6\u53c3\u6578\u3002\u78ba\u4fdd\u5176\u503c\u5728 2 \u5230 20 \u4e4b\u9593\u3002<\/li>\n<li><strong>\u4fee\u6539\u53c3\u6578\uff1a<\/strong>\u5982\u679c\u767c\u73fe\u6700\u5927\u6df1\u5ea6\u4e0d\u5728\u7bc4\u570d\u5167\uff0c\u5247\u9700\u8981\u4fee\u6539\u8a72\u53c3\u6578\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u8a2d\u7f6e\u6700\u5927\u6df1\u5ea6\uff1a<\/li>\n<\/ul>\n<pre><code>BEGIN\n    DBMS_DATA_MINING.CREATE_MODEL(\n        model_name =&gt; 'my_decision_tree_model',\n        mining_function =&gt; 'classification',\n        data_table_name =&gt; 'my_data_table',\n        case_id_column_name =&gt; 'id',\n        target_column_name =&gt; 'target',\n        settings_table_name =&gt; 'my_settings_table'\n    );\n    \n    DBMS_DATA_MINING.SET_MODEL_SETTINGS(\n        model_name =&gt; 'my_decision_tree_model',\n        settings =&gt; 'max_depth=10'  -- \u8a2d\u7f6e\u6700\u5927\u6df1\u5ea6\u70ba 10\n    );\nEND;\n<\/code><\/pre>\n<ul>\n<li><strong>\u91cd\u65b0\u8a13\u7df4\u6a21\u578b\uff1a<\/strong>\u5728\u4fee\u6539\u53c3\u6578\u5f8c\uff0c\u91cd\u65b0\u8a13\u7df4\u6c7a\u7b56\u6a39\u6a21\u578b\uff0c\u78ba\u4fdd\u4e0d\u518d\u51fa\u73fe\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u6a21\u578b\uff1a<\/strong>\u8a13\u7df4\u5b8c\u6210\u5f8c\uff0c\u9032\u884c\u6a21\u578b\u6e2c\u8a66\uff0c\u6aa2\u67e5\u5176\u6027\u80fd\u548c\u6e96\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e5%bb%ba%e8%ad%b0-OkBsaBhVui\">\u9060\u7a0b\u8655\u7406\u5efa\u8b70<\/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\u6539\u3002\u6b64\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u9060\u7a0b\u8655\u7406\u7684\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\uff1a<\/strong>\u901a\u904e\u9060\u7a0b\u684c\u9762\u5de5\u5177\u9023\u63a5\u5230\u6578\u64da\u5eab\u6240\u5728\u7684\u4f3a\u670d\u5668\uff0c\u9032\u884c\u5fc5\u8981\u7684\u4fee\u6539\u3002<\/li>\n<li><strong>\u8acb\u6c42\u6280\u8853\u652f\u6301\uff1a<\/strong>\u5982\u679c\u7121\u6cd5\u81ea\u884c\u89e3\u6c7a\u554f\u984c\uff0c\u53ef\u4ee5\u8acb\u6c42\u6280\u8853\u652f\u6301\u5718\u968a\u7684\u5e6b\u52a9\uff0c\u63d0\u4f9b\u5fc5\u8981\u7684\u8a2a\u554f\u6b0a\u9650\u4ee5\u9032\u884c\u6545\u969c\u6392\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OkBsaBhVui\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u9032\u884c\u6a5f\u5668\u5b78\u7fd2\u6642\uff0c<code>ORA-38621<\/code> \u932f\u8aa4\u662f\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\u3002\u901a\u904e\u6aa2\u67e5\u548c\u4fee\u6539\u6c7a\u7b56\u6a39\u7684\u6700\u5927\u6df1\u5ea6\u8a2d\u7f6e\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u904b\u884c\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u4e86\u89e3\u5982\u4f55\u8655\u7406\u9019\u985e\u932f\u8aa4\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6578\u64da\u5206\u6790\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-38621 \u932f\u8aa4\uff0c\u8abf\u6574\u6c7a\u7b56\u6a39\u6700\u5927\u6df1\u5ea6\u81f3 [2, 20] \u4e4b\u9593\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u8207\u9060\u7a0b\u8655\u7406\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-92060","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92060","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=92060"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92060\/revisions"}],"predecessor-version":[{"id":92061,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92060\/revisions\/92061"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=92060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=92060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=92060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}