{"id":91304,"date":"2024-10-18T20:06:17","date_gmt":"2024-10-18T12:06:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/91304\/"},"modified":"2024-10-18T20:06:18","modified_gmt":"2024-10-18T12:06:18","slug":"ora-30337-%e7%82%ba%e5%90%8c%e4%b8%80%e7%88%b6%e7%b4%9a%e6%8c%87%e5%ae%9a%e4%ba%86%e5%a4%9a%e5%80%8b-join-key-%e5%ad%90%e5%8f%a5-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/91304\/","title":{"rendered":"ORA-30337: \u70ba\u540c\u4e00\u7236\u7d1a\u6307\u5b9a\u4e86\u591a\u500b JOIN KEY \u5b50\u53e5 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-30337-%e7%82%ba%e5%90%8c%e4%b8%80%e7%88%b6%e7%b4%9a%e6%8c%87%e5%ae%9a%e4%ba%86%e5%a4%9a%e5%80%8b-join-key-%e5%ad%90%e5%8f%a5-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-ZYDBjnBifd\">ORA-30337: \u70ba\u540c\u4e00\u7236\u7d1a\u6307\u5b9a\u4e86\u591a\u500b JOIN KEY \u5b50\u53e5 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u9032\u884c\u67e5\u8a62\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f <code>ORA-30337<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528 JOIN \u64cd\u4f5c\u6642\uff0c\u7279\u5225\u662f\u7576\u70ba\u540c\u4e00\u7236\u7d1a\u6307\u5b9a\u4e86\u591a\u500b JOIN KEY \u5b50\u53e5\u6642\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-ZYDBjnBifd\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p><code>ORA-30337<\/code> \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f SQL \u67e5\u8a62\u4e2d\u5b58\u5728\u4e0d\u6b63\u78ba\u7684 JOIN \u8a9e\u6cd5\u3002\u7576\u958b\u767c\u8005\u5728\u67e5\u8a62\u4e2d\u70ba\u540c\u4e00\u7236\u7d1a\u8868\u6307\u5b9a\u4e86\u591a\u500b JOIN KEY \u5b50\u53e5\u6642\uff0cOracle \u6578\u64da\u5eab\u7121\u6cd5\u78ba\u5b9a\u61c9\u8a72\u4f7f\u7528\u54ea\u4e00\u500b JOIN KEY\uff0c\u5f9e\u800c\u5c0e\u81f4\u932f\u8aa4\u7684\u7522\u751f\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u8003\u616e\u4ee5\u4e0b SQL \u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT a.*, b.*\nFROM table_a a\nJOIN table_b b ON a.id = b.a_id\nJOIN table_c c ON a.id = c.a_id\nJOIN table_d d ON b.id = d.b_id\nJOIN table_e e ON c.id = e.c_id\nON a.id = e.a_id; -- \u9019\u88e1\u7684 ON \u5b50\u53e5\u4e0d\u6b63\u78ba\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6700\u5f8c\u4e00\u500b ON \u5b50\u53e5\u7684\u4f7f\u7528\u4e0d\u7576\uff0c\u5c0e\u81f4\u4e86 <code>ORA-30337<\/code> \u932f\u8aa4\u7684\u51fa\u73fe\u3002<\/p>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-ZYDBjnBifd\">\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe <code>ORA-30337<\/code> \u932f\u8aa4\u6642\uff0c\u67e5\u8a62\u5c07\u7121\u6cd5\u57f7\u884c\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002\u7279\u5225\u662f\u5728\u5927\u578b\u7cfb\u7d71\u4e2d\uff0c\u9019\u7a2e\u932f\u8aa4\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u7121\u6cd5\u6b63\u78ba\u6aa2\u7d22\uff0c\u9032\u800c\u5f71\u97ff\u5230\u696d\u52d9\u6c7a\u7b56\u548c\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-ZYDBjnBifd\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u8981\u4fee\u5fa9 <code>ORA-30337<\/code> \u932f\u8aa4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>\u6aa2\u67e5 SQL \u8a9e\u6cd5\uff1a<\/strong>\u9996\u5148\uff0c\u4ed4\u7d30\u6aa2\u67e5 SQL \u67e5\u8a62\u7684\u8a9e\u6cd5\uff0c\u78ba\u4fdd\u6bcf\u500b JOIN \u5b50\u53e5\u90fd\u6b63\u78ba\u7121\u8aa4\u3002<\/li>\n<li><strong>\u7c21\u5316\u67e5\u8a62\uff1a<\/strong>\u5982\u679c\u67e5\u8a62\u904e\u65bc\u8907\u96dc\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u5176\u7c21\u5316\uff0c\u9010\u6b65\u6dfb\u52a0 JOIN \u5b50\u53e5\uff0c\u4e26\u6e2c\u8a66\u6bcf\u4e00\u6b65\u7684\u7d50\u679c\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5225\u540d\uff1a<\/strong>\u5728\u591a\u500b\u8868\u4e4b\u9593\u9032\u884c JOIN \u6642\uff0c\u4f7f\u7528\u8868\u7684\u5225\u540d\u53ef\u4ee5\u5e6b\u52a9\u6e05\u6670\u5730\u6307\u660e\u6bcf\u500b\u8868\u7684\u4f86\u6e90\uff0c\u6e1b\u5c11\u6df7\u6dc6\u3002<\/li>\n<li><strong>\u67e5\u95b1\u6587\u6a94\uff1a<\/strong>\u53c3\u8003 Oracle \u5b98\u65b9\u6587\u6a94\uff0c\u4e86\u89e3 JOIN \u8a9e\u6cd5\u7684\u6b63\u78ba\u7528\u6cd5\u548c\u793a\u4f8b\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4fee\u6b63\u5f8c\u7684 SQL \u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT a.*, b.*, c.*, d.*, e.*\nFROM table_a a\nJOIN table_b b ON a.id = b.a_id\nJOIN table_c c ON a.id = c.a_id\nJOIN table_d d ON b.id = d.b_id\nJOIN table_e e ON c.id = e.c_id; -- \u6b63\u78ba\u7684 JOIN \u8a9e\u6cd5\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZYDBjnBifd\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-30337<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u4e0d\u6b63\u78ba\u7684 JOIN \u8a9e\u6cd5\u5f15\u8d77\u7684\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5 SQL \u67e5\u8a62\u3001\u7c21\u5316\u67e5\u8a62\u7d50\u69cb\u4ee5\u53ca\u4f7f\u7528\u8868\u5225\u540d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6aa2\u7d22\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u67e5\u8a62\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\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-30337 \u932f\u8aa4\uff0c\u56e0\u70ba\u70ba\u540c\u4e00\u7236\u7d1a\u6307\u5b9a\u591a\u500b JOIN KEY \u5b50\u53e5\u3002\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\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-91304","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91304","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=91304"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91304\/revisions"}],"predecessor-version":[{"id":91305,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91304\/revisions\/91305"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=91304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=91304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=91304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}