{"id":92660,"date":"2024-10-19T07:27:17","date_gmt":"2024-10-18T23:27:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/92660\/"},"modified":"2024-10-19T07:27:17","modified_gmt":"2024-10-18T23:27:17","slug":"ora-41698-%e5%9c%a8%e8%81%9a%e5%90%88%e8%ac%82%e8%a9%9e%e4%b8%ad%e5%b0%8d-string-%e5%b1%ac%e6%80%a7%e7%9a%84%e7%84%a1%e6%95%88%e4%bd%bf%e7%94%a8-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/92660\/","title":{"rendered":"ORA-41698: \u5728\u805a\u5408\u8b02\u8a5e\u4e2d\u5c0d \u201cstring\u201d \u5c6c\u6027\u7684\u7121\u6548\u4f7f\u7528 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-41698-%e5%9c%a8%e8%81%9a%e5%90%88%e8%ac%82%e8%a9%9e%e4%b8%ad%e5%b0%8d-string-%e5%b1%ac%e6%80%a7%e7%9a%84%e7%84%a1%e6%95%88%e4%bd%bf%e7%94%a8-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85-FRoOOEjdFD\">ORA-41698: \u5728\u805a\u5408\u8b02\u8a5e\u4e2d\u5c0d \u201cstring\u201d \u5c6c\u6027\u7684\u7121\u6548\u4f7f\u7528 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 <code>ORA-41698<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4f7f\u7528\u805a\u5408\u8b02\u8a5e\u6642\uff0c\u7279\u5225\u662f\u7576\u5c0d\u67d0\u500b\u5c6c\u6027\u9032\u884c\u7121\u6548\u64cd\u4f5c\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-41698<\/code> \u932f\u8aa4\u7684\u6210\u56e0\u3001\u89e3\u6c7a\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u9060\u7a0b\u8655\u7406\u3002<\/p>\n<h2 id=\"ora-41698-%e9%8c%af%e8%aa%a4%e7%9a%84%e6%88%90%e5%9b%a0-FRoOOEjdFD\">ORA-41698 \u932f\u8aa4\u7684\u6210\u56e0<\/h2>\n<p><code>ORA-41698<\/code> \u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u4f7f\u7528\u805a\u5408\u51fd\u6578\uff08\u5982 <code>SUM<\/code>\u3001<code>AVG<\/code>\u3001<code>COUNT<\/code> \u7b49\uff09\u6642\uff0c\u5c0d\u67d0\u500b\u5c6c\u6027\u9032\u884c\u4e86\u4e0d\u6b63\u78ba\u7684\u5f15\u7528\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u5c6c\u6027\u540d\u7a31\u932f\u8aa4\uff1a<\/strong>\u5728 SQL \u67e5\u8a62\u4e2d\uff0c\u5c6c\u6027\u540d\u7a31\u53ef\u80fd\u62fc\u5beb\u932f\u8aa4\u6216\u4e0d\u5b58\u5728\u65bc\u6307\u5b9a\u7684\u8868\u4e2d\u3002<\/li>\n<li><strong>\u805a\u5408\u51fd\u6578\u4f7f\u7528\u4e0d\u7576\uff1a<\/strong>\u5728\u4e0d\u9069\u5408\u7684\u4e0a\u4e0b\u6587\u4e2d\u4f7f\u7528\u805a\u5408\u51fd\u6578\uff0c\u4f8b\u5982\u5728 <code>WHERE<\/code> \u5b50\u53e5\u4e2d\u3002<\/li>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u5c0d\u65bc\u67d0\u4e9b\u5c6c\u6027\uff0c\u4f7f\u7528\u4e86\u4e0d\u6b63\u78ba\u7684\u6578\u64da\u985e\u578b\uff0c\u5c0e\u81f4\u7121\u6cd5\u9032\u884c\u805a\u5408\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-41698-%e9%8c%af%e8%aa%a4-FRoOOEjdFD\">\u5982\u4f55\u4fee\u5fa9 ORA-41698 \u932f\u8aa4<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-41698<\/code> \u932f\u8aa4\u7684\u7b2c\u4e00\u6b65\u662f\u4ed4\u7d30\u6aa2\u67e5 SQL \u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5177\u9ad4\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e5%b1%ac%e6%80%a7%e5%90%8d%e7%a8%b1-FRoOOEjdFD\">1. \u6aa2\u67e5\u5c6c\u6027\u540d\u7a31<\/h3>\n<p>\u78ba\u4fdd\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5c6c\u6027\u540d\u7a31\u6b63\u78ba\u7121\u8aa4\u3002\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u6578\u64da\u5b57\u5178\u4f86\u78ba\u8a8d\u5c6c\u6027\u662f\u5426\u5b58\u5728\uff1a<\/p>\n<pre><code>SELECT column_name \nFROM user_tab_columns \nWHERE table_name = 'YOUR_TABLE_NAME';<\/code><\/pre>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e8%81%9a%e5%90%88%e5%87%bd%e6%95%b8%e7%9a%84%e4%bd%bf%e7%94%a8-FRoOOEjdFD\">2. \u78ba\u8a8d\u805a\u5408\u51fd\u6578\u7684\u4f7f\u7528<\/h3>\n<p>\u805a\u5408\u51fd\u6578\u61c9\u8a72\u5728 <code>SELECT<\/code> \u5b50\u53e5\u4e2d\u4f7f\u7528\uff0c\u800c\u4e0d\u662f\u5728 <code>WHERE<\/code> \u5b50\u53e5\u4e2d\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8a62\u662f\u932f\u8aa4\u7684\uff1a<\/p>\n<pre><code>SELECT department_id, COUNT(employee_id) \nFROM employees \nWHERE COUNT(employee_id) &gt; 10 \nGROUP BY department_id;<\/code><\/pre>\n<p>\u6b63\u78ba\u7684\u5beb\u6cd5\u61c9\u8a72\u662f\uff1a<\/p>\n<pre><code>SELECT department_id, COUNT(employee_id) \nFROM employees \nGROUP BY department_id \nHAVING COUNT(employee_id) &gt; 10;<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-FRoOOEjdFD\">3. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u78ba\u4fdd\u5728\u9032\u884c\u805a\u5408\u64cd\u4f5c\u6642\uff0c\u6240\u6709\u53c3\u8207\u7684\u5c6c\u6027\u90fd\u5177\u6709\u76f8\u5bb9\u7684\u6578\u64da\u985e\u578b\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u6578\u64da\u985e\u578b\uff1a<\/p>\n<pre><code>SELECT column_name, data_type \nFROM user_tab_columns \nWHERE table_name = 'YOUR_TABLE_NAME';<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-41698-%e9%8c%af%e8%aa%a4-FRoOOEjdFD\">\u9060\u7a0b\u8655\u7406 ORA-41698 \u932f\u8aa4<\/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\u6545\u969c\u6392\u9664\u3002\u9019\u6642\uff0c\u9060\u7a0b\u8655\u7406\u6210\u70ba\u4e00\u500b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\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\u9023\u63a5\u5230\u6578\u64da\u5eab\u4f3a\u670d\u5668\uff0c\u76f4\u63a5\u57f7\u884c SQL \u67e5\u8a62\u548c\u6545\u969c\u6392\u9664\u3002<\/li>\n<li><strong>\u5229\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff1a<\/strong>\u4f7f\u7528\u5982 Oracle SQL Developer \u7b49\u5de5\u5177\uff0c\u9019\u4e9b\u5de5\u5177\u901a\u5e38\u63d0\u4f9b\u4e86\u66f4\u53cb\u597d\u7684\u754c\u9762\u4f86\u6aa2\u67e5\u548c\u4fee\u5fa9\u932f\u8aa4\u3002<\/li>\n<li><strong>\u8acb\u6c42\u5c08\u696d\u652f\u6301\uff1a<\/strong>\u5982\u679c\u554f\u984c\u7121\u6cd5\u89e3\u6c7a\uff0c\u53ef\u4ee5\u8003\u616e\u5c0b\u6c42\u5c08\u696d\u7684\u6578\u64da\u5eab\u7ba1\u7406\u670d\u52d9\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u5feb\u5730\u5b9a\u4f4d\u548c\u4fee\u5fa9\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-FRoOOEjdFD\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u6642\uff0c<code>ORA-41698<\/code> \u932f\u8aa4\u53ef\u80fd\u6703\u5f71\u97ff\u958b\u767c\u548c\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u3002\u901a\u904e\u4ed4\u7d30\u6aa2\u67e5 SQL \u67e5\u8a62\u3001\u78ba\u8a8d\u805a\u5408\u51fd\u6578\u7684\u6b63\u78ba\u4f7f\u7528\u4ee5\u53ca\u78ba\u4fdd\u6578\u64da\u985e\u578b\u7684\u76f8\u5bb9\u6027\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u6b64\u5916\uff0c\u9060\u7a0b\u8655\u7406\u6280\u8853\u4e5f\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u5728\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\u6545\u969c\u6392\u9664\u3002\u82e5\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u548c\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-41698 \u932f\u8aa4\uff0c\u4e86\u89e3\u5728\u805a\u5408\u8b02\u8a5e\u4e2d\u5c0d &#8220;string&#8221; \u5c6c\u6027\u7121\u6548\u4f7f\u7528\u7684\u539f\u56e0\u53ca\u9060\u7a0b\u8655\u7406\u65b9\u6cd5\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-92660","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92660","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=92660"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92660\/revisions"}],"predecessor-version":[{"id":92661,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/92660\/revisions\/92661"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=92660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=92660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=92660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}