{"id":88010,"date":"2024-10-18T05:50:19","date_gmt":"2024-10-17T21:50:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/88010\/"},"modified":"2024-10-18T05:50:20","modified_gmt":"2024-10-17T21:50:20","slug":"ora-22955-%e5%9f%ba%e6%95%b8%e5%8f%83%e6%95%b8%e4%b8%8d%e5%9c%a8%e5%85%81%e8%a8%b1%e7%9a%84%e7%af%84%e5%9c%8d%e5%85%a7-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/88010\/","title":{"rendered":"ORA-22955: \u57fa\u6578\u53c3\u6578\u4e0d\u5728\u5141\u8a31\u7684\u7bc4\u570d\u5167 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-22955-%e5%9f%ba%e6%95%b8%e5%8f%83%e6%95%b8%e4%b8%8d%e5%9c%a8%e5%85%81%e8%a8%b1%e7%9a%84%e7%af%84%e5%9c%8d%e5%85%a7-oracle-%e5%a0%b1%e9%8c%af-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9-%e9%81%a0-ODXCmdovte\">ORA-22955: \u57fa\u6578\u53c3\u6578\u4e0d\u5728\u5141\u8a31\u7684\u7bc4\u570d\u5167 ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 Oracle \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\u662f <code>ORA-22955<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u8207\u57fa\u6578\u53c3\u6578\u7684\u8a2d\u7f6e\u6709\u95dc\uff0c\u7576\u57fa\u6578\u53c3\u6578\u4e0d\u5728\u5141\u8a31\u7684\u7bc4\u570d\u5167\u6642\uff0cOracle \u6578\u64da\u5eab\u5c07\u7121\u6cd5\u6b63\u5e38\u904b\u884c\uff0c\u5f9e\u800c\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u6545\u969c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>ORA-22955<\/code> \u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u53ca\u5176\u4fee\u5fa9\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"ora-22955-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-ODXCmdovte\">ORA-22955 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p><code>ORA-22955<\/code> \u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u7576\u4f7f\u7528 <code>DBMS_LOB<\/code> \u5305\u9032\u884c\u5927\u5c0d\u8c61\uff08LOB\uff09\u64cd\u4f5c\u6642\uff0c\u57fa\u6578\u53c3\u6578\u7684\u8a2d\u7f6e\u4e0d\u6b63\u78ba\u3002<\/li>\n<li>\u5728\u57f7\u884c\u67d0\u4e9b SQL \u67e5\u8a62\u6642\uff0c\u57fa\u6578\u53c3\u6578\u7684\u503c\u8d85\u51fa\u4e86 Oracle \u6578\u64da\u5eab\u7684\u5141\u8a31\u7bc4\u570d\u3002<\/li>\n<li>\u6578\u64da\u5eab\u7684\u914d\u7f6e\u6216\u7248\u672c\u4e0d\u652f\u6301\u7576\u524d\u7684\u57fa\u6578\u53c3\u6578\u8a2d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bd%b1%e9%9f%bf-ODXCmdovte\">\u5f71\u97ff<\/h2>\n<p>\u7576\u51fa\u73fe <code>ORA-22955<\/code> \u932f\u8aa4\u6642\uff0c\u5c07\u6703\u5f71\u97ff\u5230\u6578\u64da\u5eab\u7684\u6b63\u5e38\u904b\u884c\uff0c\u5177\u9ad4\u5f71\u97ff\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7121\u6cd5\u57f7\u884c\u7279\u5b9a\u7684 SQL \u67e5\u8a62\u6216\u64cd\u4f5c\uff0c\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<li>\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u6578\u64da\u9077\u79fb\u6216\u66f4\u65b0\u6642\u3002<\/li>\n<li>\u589e\u52a0\u4e86\u7cfb\u7d71\u7684\u7dad\u8b77\u6210\u672c\uff0c\u56e0\u70ba\u9700\u8981\u82b1\u8cbb\u984d\u5916\u7684\u6642\u9593\u4f86\u6392\u67e5\u548c\u4fee\u5fa9\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%be%a9%e6%ad%a5%e9%a9%9f-ODXCmdovte\">\u6545\u969c\u4fee\u5fa9\u6b65\u9a5f<\/h2>\n<p>\u4fee\u5fa9 <code>ORA-22955<\/code> \u932f\u8aa4\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e5%9f%ba%e6%95%b8%e5%8f%83%e6%95%b8%e7%9a%84%e8%a8%ad%e7%bd%ae-ODXCmdovte\">1. \u78ba\u8a8d\u57fa\u6578\u53c3\u6578\u7684\u8a2d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u7576\u524d\u7684\u57fa\u6578\u53c3\u6578\u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SELECT * FROM user_tab_columns WHERE table_name = 'YOUR_TABLE_NAME';<\/code><\/pre>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4%e5%9f%ba%e6%95%b8%e5%8f%83%e6%95%b8-ODXCmdovte\">2. \u8abf\u6574\u57fa\u6578\u53c3\u6578<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u57fa\u6578\u53c3\u6578\u7684\u503c\u4e0d\u5728\u5141\u8a31\u7684\u7bc4\u570d\u5167\uff0c\u5247\u9700\u8981\u9032\u884c\u8abf\u6574\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u4fee\u6539\u57fa\u6578\u53c3\u6578\uff1a<\/p>\n<pre><code>ALTER TABLE YOUR_TABLE_NAME MODIFY COLUMN YOUR_COLUMN_NAME SET DATA TYPE YOUR_NEW_DATA_TYPE;<\/code><\/pre>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e4%bf%ae%e5%be%a9%e6%95%88%e6%9e%9c-ODXCmdovte\">3. \u6e2c\u8a66\u4fee\u5fa9\u6548\u679c<\/h3>\n<p>\u5728\u8abf\u6574\u5b8c\u57fa\u6578\u53c3\u6578\u5f8c\uff0c\u91cd\u65b0\u57f7\u884c\u4e4b\u524d\u51fa\u73fe\u932f\u8aa4\u7684\u64cd\u4f5c\uff0c\u6aa2\u67e5\u662f\u5426\u4ecd\u7136\u51fa\u73fe <code>ORA-22955<\/code> \u932f\u8aa4\u3002\u5982\u679c\u554f\u984c\u4ecd\u7136\u5b58\u5728\uff0c\u5247\u9700\u8981\u9032\u4e00\u6b65\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u914d\u7f6e\u548c\u7248\u672c\u3002<\/p>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e7%89%88%e6%9c%ac-ODXCmdovte\">4. \u6aa2\u67e5\u6578\u64da\u5eab\u7248\u672c<\/h3>\n<p>\u78ba\u4fdd\u4f7f\u7528\u7684 Oracle \u6578\u64da\u5eab\u7248\u672c\u652f\u6301\u7576\u524d\u7684\u57fa\u6578\u53c3\u6578\u8a2d\u7f6e\u3002\u5982\u679c\u7248\u672c\u904e\u820a\uff0c\u8003\u616e\u5347\u7d1a\u5230\u6700\u65b0\u7248\u672c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u652f\u6301\u548c\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ODXCmdovte\">\u9060\u7a0b\u8655\u7406<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u6578\u64da\u5eab\u9032\u884c\u6545\u969c\u6392\u67e5\u3002\u6b64\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9060\u7a0b\u8655\u7406\u5de5\u5177\u4f86\u5354\u52a9\u89e3\u6c7a\u554f\u984c\u3002\u8a31\u591a\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u90fd\u63d0\u4f9b\u4e86\u9060\u7a0b\u9023\u63a5\u548c\u6545\u969c\u6392\u67e5\u7684\u529f\u80fd\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u4e0d\u5f71\u97ff\u7cfb\u7d71\u904b\u884c\u7684\u60c5\u6cc1\u4e0b\u9032\u884c\u7dad\u8b77\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ODXCmdovte\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u4e4b\uff0c<code>ORA-22955<\/code> \u932f\u8aa4\u662f Oracle \u6578\u64da\u5eab\u4e2d\u5e38\u898b\u7684\u554f\u984c\u4e4b\u4e00\uff0c\u4e3b\u8981\u7531\u57fa\u6578\u53c3\u6578\u8a2d\u7f6e\u4e0d\u7576\u5f15\u8d77\u3002\u901a\u904e\u6aa2\u67e5\u548c\u8abf\u6574\u57fa\u6578\u53c3\u6578\u3001\u6e2c\u8a66\u4fee\u5fa9\u6548\u679c\u4ee5\u53ca\u78ba\u4fdd\u6578\u64da\u5eab\u7248\u672c\u7684\u517c\u5bb9\u6027\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u53ca\u6642\u8655\u7406\u9019\u985e\u932f\u8aa4\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-22955 \u932f\u8aa4\uff0c\u4fee\u5fa9\u57fa\u6578\u53c3\u6578\u4e0d\u5728\u5141\u8a31\u7bc4\u570d\u5167\u7684\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-88010","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/88010","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=88010"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/88010\/revisions"}],"predecessor-version":[{"id":88011,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/88010\/revisions\/88011"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=88010"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=88010"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=88010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}