{"id":89400,"date":"2024-10-18T11:36:19","date_gmt":"2024-10-18T03:36:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/89400\/"},"modified":"2024-10-18T11:36:19","modified_gmt":"2024-10-18T03:36:19","slug":"ora-25950-%e9%80%a3%e6%8e%a5%e7%b4%a2%e5%bc%95%e8%a6%8f%e7%af%84%e4%b8%ad%e7%bc%ba%e5%b0%91-where-%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-%e9%81%a0%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/89400\/","title":{"rendered":"ORA-25950: \u9023\u63a5\u7d22\u5f15\u898f\u7bc4\u4e2d\u7f3a\u5c11 where \u5b50\u53e5 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-25950-%e9%80%a3%e6%8e%a5%e7%b4%a2%e5%bc%95%e8%a6%8f%e7%af%84%e4%b8%ad%e7%bc%ba%e5%b0%91-where-%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-%e9%81%a0%e7%a8%8b-PkjPavWDCL\">ORA-25950: \u9023\u63a5\u7d22\u5f15\u898f\u7bc4\u4e2d\u7f3a\u5c11 where \u5b50\u53e5 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\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f ORA-25950\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u57f7\u884c\u67e5\u8a62\u6642\uff0c\u7279\u5225\u662f\u7576\u6d89\u53ca\u5230\u7d22\u5f15\u7684\u64cd\u4f5c\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e ORA-25950 \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-25950-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-PkjPavWDCL\">ORA-25950 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-25950 \u932f\u8aa4\u7684\u5177\u9ad4\u4fe1\u606f\u70ba\u300c\u9023\u63a5\u7d22\u5f15\u898f\u7bc4\u4e2d\u7f3a\u5c11 where \u5b50\u53e5\u300d\uff0c\u9019\u610f\u5473\u8457\u5728\u57f7\u884c\u67d0\u4e9b\u67e5\u8a62\u6642\uff0cOracle \u6578\u64da\u5eab\u7121\u6cd5\u627e\u5230\u5fc5\u8981\u7684\u689d\u4ef6\u4f86\u6b63\u78ba\u5730\u57f7\u884c\u7d22\u5f15\u64cd\u4f5c\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u7d22\u5f15\u3002<\/li>\n<li>\u67e5\u8a62\u4e2d\u7f3a\u5c11\u5fc5\u8981\u7684\u904e\u6ffe\u689d\u4ef6\u3002<\/li>\n<li>\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u7684 SQL \u8a9e\u6cd5\u6216\u7d50\u69cb\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u7576\u4f60\u5617\u8a66\u57f7\u884c\u4ee5\u4e0b SQL \u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u6b64\u932f\u8aa4\uff1a<\/p>\n<pre><code>SELECT * FROM employees\nJOIN departments ON employees.department_id = departments.id;<\/code><\/pre>\n<p>\u5982\u679c\u5728\u9019\u500b\u67e5\u8a62\u4e2d\u6c92\u6709\u63d0\u4f9b\u9069\u7576\u7684 WHERE \u5b50\u53e5\uff0cOracle \u53ef\u80fd\u7121\u6cd5\u6b63\u78ba\u5730\u4f7f\u7528\u7d22\u5f15\u4f86\u512a\u5316\u67e5\u8a62\uff0c\u5f9e\u800c\u5c0e\u81f4 ORA-25950 \u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-25950-%e9%8c%af%e8%aa%a4-PkjPavWDCL\">\u5982\u4f55\u4fee\u5fa9 ORA-25950 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 ORA-25950 \u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u6aa2\u67e5 SQL \u67e5\u8a62\u7684\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5-sql-%e6%9f%a5%e8%a9%a2-PkjPavWDCL\">1. \u6aa2\u67e5 SQL \u67e5\u8a62<\/h3>\n<p>\u78ba\u4fdd\u4f60\u7684\u67e5\u8a62\u4e2d\u5305\u542b\u5fc5\u8981\u7684 WHERE \u5b50\u53e5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM employees\nJOIN departments ON employees.department_id = departments.id\nWHERE employees.status = 'active';<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u80fd\u5920\u63d0\u4f9b\u66f4\u660e\u78ba\u7684\u904e\u6ffe\u689d\u4ef6\uff0c\u5e6b\u52a9 Oracle \u6b63\u78ba\u4f7f\u7528\u7d22\u5f15\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e7%b4%a2%e5%bc%95%e7%9a%84%e5%ad%98%e5%9c%a8-PkjPavWDCL\">2. \u78ba\u8a8d\u7d22\u5f15\u7684\u5b58\u5728<\/h3>\n<p>\u6aa2\u67e5\u662f\u5426\u5728\u76f8\u95dc\u7684\u8868\u4e0a\u5275\u5efa\u4e86\u9069\u7576\u7684\u7d22\u5f15\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u7d22\u5f15\uff1a<\/p>\n<pre><code>SELECT index_name, table_name\nFROM user_indexes\nWHERE table_name = 'EMPLOYEES';<\/code><\/pre>\n<p>\u5982\u679c\u767c\u73fe\u7f3a\u5c11\u5fc5\u8981\u7684\u7d22\u5f15\uff0c\u53ef\u4ee5\u8003\u616e\u5275\u5efa\u7d22\u5f15\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-explain-plan-PkjPavWDCL\">3. \u4f7f\u7528 EXPLAIN PLAN<\/h3>\n<p>\u4f7f\u7528 EXPLAIN PLAN \u4f86\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u9019\u53ef\u4ee5\u5e6b\u52a9\u4f60\u4e86\u89e3 Oracle \u662f\u5982\u4f55\u8655\u7406\u4f60\u7684\u67e5\u8a62\u7684\u3002\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPLAIN PLAN FOR\nSELECT * FROM employees\nJOIN departments ON employees.department_id = departments.id\nWHERE employees.status = 'active';<\/code><\/pre>\n<p>\u7136\u5f8c\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770b\u57f7\u884c\u8a08\u5283\uff1a<\/p>\n<pre><code>SELECT * FROM table(dbms_xplan.display);<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a Oracle \u5982\u4f55\u57f7\u884c\u67e5\u8a62\uff0c\u4e26\u5e6b\u52a9\u4f60\u8b58\u5225\u6f5b\u5728\u7684\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-25950-%e9%8c%af%e8%aa%a4-PkjPavWDCL\">\u9060\u7a0b\u8655\u7406 ORA-25950 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406 ORA-25950 \u932f\u8aa4\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u9060\u7a0b\u684c\u9762\u5de5\u5177\u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u76f4\u63a5\u5728\u4f3a\u670d\u5668\u4e0a\u57f7\u884c\u67e5\u8a62\u548c\u6545\u969c\u6392\u9664\u3002<\/li>\n<li>\u5229\u7528 Oracle \u7684\u9060\u7a0b\u8a3a\u65b7\u5de5\u5177\uff0c\u6536\u96c6\u932f\u8aa4\u65e5\u8a8c\u548c\u57f7\u884c\u8a08\u5283\uff0c\u9032\u884c\u6df1\u5165\u5206\u6790\u3002<\/li>\n<li>\u8207\u6578\u64da\u5eab\u7ba1\u7406\u5718\u968a\u5408\u4f5c\uff0c\u78ba\u4fdd\u6240\u6709\u7684\u67e5\u8a62\u90fd\u9075\u5faa\u6700\u4f73\u5be6\u8e10\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PkjPavWDCL\">\u7e3d\u7d50<\/h2>\n<p>ORA-25950 \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u7f3a\u5c11\u5fc5\u8981\u7684 WHERE \u5b50\u53e5\u6216\u4e0d\u6b63\u78ba\u7684\u7d22\u5f15\u4f7f\u7528\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5 SQL \u67e5\u8a62\u3001\u78ba\u8a8d\u7d22\u5f15\u7684\u5b58\u5728\u4ee5\u53ca\u4f7f\u7528 EXPLAIN PLAN \u9032\u884c\u5206\u6790\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5728\u8655\u7406\u6b64\u985e\u554f\u984c\u6642\uff0c\u9060\u7a0b\u8a3a\u65b7\u548c\u5718\u968a\u5408\u4f5c\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u6e90\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-25950 \u932f\u8aa4\uff0c\u4fee\u5fa9\u7f3a\u5c11 WHERE \u5b50\u53e5\u7684\u9023\u63a5\u7d22\u5f15\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u9060\u7a0b\u8655\u7406\u65b9\u6848\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-89400","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89400","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=89400"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89400\/revisions"}],"predecessor-version":[{"id":89401,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/89400\/revisions\/89401"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=89400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=89400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=89400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}