{"id":86090,"date":"2024-10-17T18:22:19","date_gmt":"2024-10-17T10:22:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/86090\/"},"modified":"2024-10-17T18:22:19","modified_gmt":"2024-10-17T10:22:19","slug":"ora-14285-%e7%84%a1%e6%b3%95%e5%b0%8d%e6%ad%a4%e5%93%88%e5%b8%8c%e5%88%86%e5%8d%80%e8%a1%a8%e6%88%96%e7%b4%a2%e5%bc%95%e7%9a%84%e5%94%af%e4%b8%80%e5%88%86%e5%8d%80%e9%80%b2%e8%a1%8c-coalesce%e3%80%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/86090\/","title":{"rendered":"ORA-14285: \u7121\u6cd5\u5c0d\u6b64\u54c8\u5e0c\u5206\u5340\u8868\u6216\u7d22\u5f15\u7684\u552f\u4e00\u5206\u5340\u9032\u884c COALESCE\u3002ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-14285-%e7%84%a1%e6%b3%95%e5%b0%8d%e6%ad%a4%e5%93%88%e5%b8%8c%e5%88%86%e5%8d%80%e8%a1%a8%e6%88%96%e7%b4%a2%e5%bc%95%e7%9a%84%e5%94%af%e4%b8%80%e5%88%86%e5%8d%80%e9%80%b2%e8%a1%8c-coalesce-bIOglYOEmh\">ORA-14285: \u7121\u6cd5\u5c0d\u6b64\u54c8\u5e0c\u5206\u5340\u8868\u6216\u7d22\u5f15\u7684\u552f\u4e00\u5206\u5340\u9032\u884c COALESCE<\/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-14285\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u5c0d\u54c8\u5e0c\u5206\u5340\u8868\u6216\u7d22\u5f15\u7684\u552f\u4e00\u5206\u5340\u9032\u884c COALESCE \u64cd\u4f5c\u6642\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=\"%e4%bb%80%e9%ba%bc%e6%98%af-coalesce-%e6%93%8d%e4%bd%9c%ef%bc%9f-bIOglYOEmh\">\u4ec0\u9ebc\u662f COALESCE \u64cd\u4f5c\uff1f<\/h2>\n<p>COALESCE \u662f\u4e00\u500b SQL \u64cd\u4f5c\uff0c\u7528\u65bc\u5408\u4f75\u5206\u5340\u3002\u7576\u6578\u64da\u5eab\u4e2d\u7684\u5206\u5340\u6578\u91cf\u904e\u591a\u6642\uff0c\u53ef\u80fd\u6703\u9700\u8981\u5c07\u67d0\u4e9b\u5206\u5340\u5408\u4f75\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u7ba1\u7406\u6548\u7387\u3002\u9019\u500b\u64cd\u4f5c\u901a\u5e38\u9069\u7528\u65bc\u7bc4\u570d\u5206\u5340\u6216\u5217\u8868\u5206\u5340\uff0c\u4f46\u5c0d\u65bc\u54c8\u5e0c\u5206\u5340\u8868\u6216\u7d22\u5f15\uff0c\u5247\u6703\u51fa\u73fe ORA-14285 \u932f\u8aa4\u3002<\/p>\n<h2 id=\"ora-14285-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-bIOglYOEmh\">ORA-14285 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>ORA-14285 \u932f\u8aa4\u7684\u4e3b\u8981\u539f\u56e0\u662f\u5617\u8a66\u5c0d\u54c8\u5e0c\u5206\u5340\u8868\u6216\u7d22\u5f15\u7684\u552f\u4e00\u5206\u5340\u9032\u884c COALESCE \u64cd\u4f5c\u3002\u54c8\u5e0c\u5206\u5340\u7684\u8a2d\u8a08\u76ee\u7684\u662f\u70ba\u4e86\u5747\u52fb\u5206\u914d\u6578\u64da\uff0c\u9019\u4f7f\u5f97\u5408\u4f75\u64cd\u4f5c\u8b8a\u5f97\u4e0d\u5408\u9069\u3002\u5177\u9ad4\u4f86\u8aaa\uff0c\u9019\u500b\u932f\u8aa4\u53ef\u80fd\u7531\u4ee5\u4e0b\u5e7e\u500b\u56e0\u7d20\u5f15\u8d77\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u5340\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>COALESCE \u64cd\u4f5c\u50c5\u9069\u7528\u65bc\u7bc4\u570d\u6216\u5217\u8868\u5206\u5340\uff0c\u5c0d\u65bc\u54c8\u5e0c\u5206\u5340\u5247\u7121\u6cd5\u57f7\u884c\u3002<\/li>\n<li><strong>\u552f\u4e00\u6027\u7d04\u675f\uff1a<\/strong>\u5982\u679c\u5206\u5340\u8868\u6216\u7d22\u5f15\u5177\u6709\u552f\u4e00\u6027\u7d04\u675f\uff0c\u5247\u7121\u6cd5\u9032\u884c\u5408\u4f75\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u4f48\u4e0d\u5747\uff1a<\/strong>\u54c8\u5e0c\u5206\u5340\u7684\u6578\u64da\u5206\u4f48\u7279\u6027\u4f7f\u5f97\u5408\u4f75\u64cd\u4f5c\u4e0d\u5177\u610f\u7fa9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-14285-%e9%8c%af%e8%aa%a4-bIOglYOEmh\">\u5982\u4f55\u4fee\u5fa9 ORA-14285 \u932f\u8aa4<\/h2>\n<p>\u8981\u4fee\u5fa9 ORA-14285 \u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u60a8\u662f\u5426\u771f\u7684\u9700\u8981\u9032\u884c COALESCE \u64cd\u4f5c\u3002\u5982\u679c\u60a8\u78ba\u5b9a\u9700\u8981\u5408\u4f75\u5206\u5340\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%88%86%e5%8d%80%e9%a1%9e%e5%9e%8b-bIOglYOEmh\">1. \u6aa2\u67e5\u5206\u5340\u985e\u578b<\/h3>\n<p>\u78ba\u4fdd\u60a8\u6b63\u5728\u64cd\u4f5c\u7684\u5206\u5340\u8868\u6216\u7d22\u5f15\u662f\u7bc4\u570d\u6216\u5217\u8868\u5206\u5340\u3002\u5982\u679c\u662f\u54c8\u5e0c\u5206\u5340\uff0c\u5247\u9700\u8981\u91cd\u65b0\u8003\u616e\u6578\u64da\u7684\u5206\u5340\u7b56\u7565\u3002<\/p>\n<h3 id=\"2-%e7%a7%bb%e9%99%a4%e5%94%af%e4%b8%80%e6%80%a7%e7%b4%84%e6%9d%9f-bIOglYOEmh\">2. \u79fb\u9664\u552f\u4e00\u6027\u7d04\u675f<\/h3>\n<p>\u5982\u679c\u5206\u5340\u8868\u6216\u7d22\u5f15\u5177\u6709\u552f\u4e00\u6027\u7d04\u675f\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u66ab\u6642\u79fb\u9664\u9019\u4e9b\u7d04\u675f\uff0c\u7136\u5f8c\u518d\u9032\u884c COALESCE \u64cd\u4f5c\u3002\u8acb\u6ce8\u610f\uff0c\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u6b64\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u505a\u597d\u6578\u64da\u5099\u4efd\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e5%85%b6%e4%bb%96%e5%88%86%e5%8d%80%e7%ae%a1%e7%90%86%e6%93%8d%e4%bd%9c-bIOglYOEmh\">3. \u4f7f\u7528\u5176\u4ed6\u5206\u5340\u7ba1\u7406\u64cd\u4f5c<\/h3>\n<p>\u5982\u679c COALESCE \u64cd\u4f5c\u4e0d\u9069\u7528\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5176\u4ed6\u5206\u5340\u7ba1\u7406\u64cd\u4f5c\uff0c\u4f8b\u5982 DROP PARTITION \u6216 EXCHANGE PARTITION\uff0c\u9019\u4e9b\u64cd\u4f5c\u53ef\u80fd\u66f4\u9069\u5408\u60a8\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86%e7%9a%84%e8%80%83%e9%87%8f-bIOglYOEmh\">\u9060\u7a0b\u8655\u7406\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u7279\u5225\u662f\u5728\u9060\u7a0b\u8655\u7406\u7684\u60c5\u6cc1\u4e0b\uff0c\u9047\u5230 ORA-14285 \u932f\u8aa4\u53ef\u80fd\u6703\u5f71\u97ff\u696d\u52d9\u904b\u4f5c\u3002\u5efa\u8b70\u5728\u9032\u884c\u4efb\u4f55\u64cd\u4f5c\u4e4b\u524d\uff0c\u5148\u9032\u884c\u5145\u5206\u7684\u6e2c\u8a66\u548c\u9a57\u8b49\uff0c\u4ee5\u78ba\u4fdd\u4e0d\u6703\u5c0d\u751f\u7522\u74b0\u5883\u9020\u6210\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bIOglYOEmh\">\u7e3d\u7d50<\/h2>\n<p>ORA-14285 \u932f\u8aa4\u662f Oracle \u6578\u64da\u5eab\u4e2d\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\uff0c\u4e3b\u8981\u7531\u65bc\u5c0d\u54c8\u5e0c\u5206\u5340\u8868\u6216\u7d22\u5f15\u7684\u552f\u4e00\u5206\u5340\u9032\u884c COALESCE 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\u7684\u554f\u984c\uff0c\u63d0\u4f9b\u6545\u969c\u4fee\u5fa9\u548c\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-86090","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/86090","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=86090"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/86090\/revisions"}],"predecessor-version":[{"id":86091,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/86090\/revisions\/86091"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=86090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=86090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=86090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}