{"id":82615,"date":"2024-10-16T20:49:18","date_gmt":"2024-10-16T12:49:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/82615\/"},"modified":"2024-10-16T20:49:18","modified_gmt":"2024-10-16T12:49:18","slug":"ora-01426-%e6%95%b8%e5%ad%97%e6%ba%a2%e5%87%ba-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%e8%99%95%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/82615\/","title":{"rendered":"ORA-01426: \u6578\u5b57\u6ea2\u51fa ORACLE\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-01426-%e6%95%b8%e5%ad%97%e6%ba%a2%e5%87%ba-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%e8%99%95%e7%90%86-PeRdhnwEyF\">ORA-01426: \u6578\u5b57\u6ea2\u51fa ORACLE\u5831\u932f\u6545\u969c\u4fee\u5fa9\u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\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\u662fORA-01426\uff1a\u6578\u5b57\u6ea2\u51fa\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6216\u8a08\u7b97\u7d50\u679c\u8d85\u904e\u4e86\u6578\u64da\u985e\u578b\u7684\u7bc4\u570d\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eORA-01426\u7684\u6210\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"ora-01426%e7%9a%84%e6%88%90%e5%9b%a0-PeRdhnwEyF\">ORA-01426\u7684\u6210\u56e0<\/h2>\n<p>ORA-01426\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e2d\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u9032\u884c\u6578\u5b78\u904b\u7b97\u6642\uff0c\u5982\u679c\u64cd\u4f5c\u6578\u7684\u6578\u64da\u985e\u578b\u4e0d\u4e00\u81f4\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6ea2\u51fa\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u5927\u6578\u5b57\u8207\u4e00\u500b\u5c0f\u6578\u5b57\u76f8\u52a0\uff0c\u7d50\u679c\u8d85\u904e\u4e86\u5c0f\u6578\u5b57\u7684\u7bc4\u570d\u3002<\/li>\n<li><strong>\u8a08\u7b97\u7d50\u679c\u8d85\u904e\u7bc4\u570d\uff1a<\/strong>\u5728\u9032\u884c\u805a\u5408\u8a08\u7b97\uff08\u5982SUM\u3001AVG\u7b49\uff09\u6642\uff0c\u82e5\u7d50\u679c\u8d85\u904e\u4e86\u6578\u64da\u985e\u578b\u7684\u6700\u5927\u503c\uff0c\u5247\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u4e0d\u7576\u7684\u6578\u64da\u8f49\u63db\uff1a<\/strong>\u5728\u9032\u884c\u6578\u64da\u8f49\u63db\u6642\uff0c\u82e5\u8f49\u63db\u7684\u6578\u64da\u8d85\u904e\u4e86\u76ee\u6a19\u6578\u64da\u985e\u578b\u7684\u7bc4\u570d\uff0c\u4e5f\u6703\u5c0e\u81f4\u6578\u5b57\u6ea2\u51fa\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-PeRdhnwEyF\">\u5f71\u97ff<\/h2>\n<p>\u7576ORA-01426\u932f\u8aa4\u767c\u751f\u6642\uff0c\u6703\u5c0e\u81f4SQL\u67e5\u8a62\u7121\u6cd5\u6b63\u5e38\u57f7\u884c\uff0c\u9032\u800c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u904b\u884c\u548c\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u9019\u5c0d\u65bc\u4f9d\u8cf4\u6578\u64da\u5eab\u9032\u884c\u696d\u52d9\u904b\u4f5c\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u53ef\u80fd\u6703\u9020\u6210\u91cd\u5927\u7684\u640d\u5931\u3002\u56e0\u6b64\uff0c\u53ca\u6642\u4fee\u5fa9\u6b64\u932f\u8aa4\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-PeRdhnwEyF\">\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<p>\u4fee\u5fa9ORA-01426\u932f\u8aa4\u7684\u65b9\u6cd5\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-PeRdhnwEyF\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u6d89\u53ca\u8a08\u7b97\u7684\u6240\u6709\u6578\u64da\u985e\u578b\u3002\u78ba\u4fdd\u5b83\u5011\u7684\u7bc4\u570d\u8db3\u5920\u5927\uff0c\u4ee5\u5bb9\u7d0d\u8a08\u7b97\u7d50\u679c\u3002\u4f8b\u5982\uff0c\u82e5\u4f7f\u7528NUMBER\u985e\u578b\uff0c\u5247\u61c9\u78ba\u8a8d\u5176\u7cbe\u5ea6\u548c\u7bc4\u570d\u662f\u5426\u8db3\u5920\u3002<\/p>\n<pre><code>SELECT column_name\nFROM table_name\nWHERE ROWNUM &lt;= 10;\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-PeRdhnwEyF\">2. \u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u985e\u578b<\/h3>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u8868\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002\u5c0d\u65bc\u53ef\u80fd\u6703\u7522\u751f\u5927\u6578\u5b57\u7684\u8a08\u7b97\uff0c\u61c9\u8003\u616e\u4f7f\u7528\u66f4\u5927\u7684\u6578\u64da\u985e\u578b\uff0c\u5982FLOAT\u6216DOUBLE\u3002<\/p>\n<h3 id=\"3-%e9%99%90%e5%88%b6%e8%a8%88%e7%ae%97%e7%af%84%e5%9c%8d-PeRdhnwEyF\">3. \u9650\u5236\u8a08\u7b97\u7bc4\u570d<\/h3>\n<p>\u5728\u9032\u884c\u8a08\u7b97\u6642\uff0c\u53ef\u4ee5\u901a\u904e\u9650\u5236\u8a08\u7b97\u7684\u7bc4\u570d\u4f86\u907f\u514d\u6ea2\u51fa\u3002\u4f8b\u5982\uff0c\u4f7f\u7528CASE\u8a9e\u53e5\u4f86\u63a7\u5236\u8a08\u7b97\u7684\u689d\u4ef6\u3002<\/p>\n<pre><code>SELECT CASE\n           WHEN SUM(column_name) &gt; 1000000 THEN 1000000\n           ELSE SUM(column_name)\n       END AS total\nFROM table_name;\n<\/code><\/pre>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e8%bd%89%e6%8f%9b-PeRdhnwEyF\">4. \u6578\u64da\u8f49\u63db<\/h3>\n<p>\u5728\u9032\u884c\u6578\u64da\u8f49\u63db\u6642\uff0c\u61c9\u78ba\u4fdd\u8f49\u63db\u5f8c\u7684\u6578\u64da\u4e0d\u6703\u8d85\u904e\u76ee\u6a19\u6578\u64da\u985e\u578b\u7684\u7bc4\u570d\u3002\u53ef\u4ee5\u4f7f\u7528TO_NUMBER\u51fd\u6578\u4f86\u9032\u884c\u5b89\u5168\u7684\u6578\u64da\u8f49\u63db\u3002<\/p>\n<pre><code>SELECT TO_NUMBER(column_name)\nFROM table_name\nWHERE column_name IS NOT NULL;\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-PeRdhnwEyF\">\u7d50\u8ad6<\/h2>\n<p>ORA-01426\u932f\u8aa4\u662fOracle\u6578\u64da\u5eab\u4e2d\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\uff0c\u4e86\u89e3\u5176\u6210\u56e0\u53ca\u4fee\u5fa9\u65b9\u6cd5\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u985e\u578b\u3001\u9650\u5236\u8a08\u7b97\u7bc4\u570d\u4ee5\u53ca\u9032\u884c\u5b89\u5168\u7684\u6578\u64da\u8f49\u63db\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u6b64\u932f\u8aa4\u7684\u767c\u751f\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u9999\u6e2f\u7684\u74b0\u5883\u4e2d\u7ba1\u7406\u548c\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aORA-01426\u6578\u5b57\u6ea2\u51fa\u932f\u8aa4\u7684\u9060\u7a0b\u8655\u7406\u6307\u5357\uff0c\u5e6b\u52a9\u60a8\u5feb\u901f\u4fee\u5fa9Oracle\u5831\u932f\u6545\u969c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\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-82615","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/82615","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=82615"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/82615\/revisions"}],"predecessor-version":[{"id":82616,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/82615\/revisions\/82616"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=82615"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=82615"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=82615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}