{"id":91314,"date":"2024-10-18T20:11:16","date_gmt":"2024-10-18T12:11:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/91314\/"},"modified":"2024-10-18T20:11:16","modified_gmt":"2024-10-18T12:11:16","slug":"ora-30348-add-%e5%92%8c-drop-%e4%b8%8d%e8%83%bd%e5%90%8c%e6%99%82%e6%8c%87%e5%ae%9a-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\/91314\/","title":{"rendered":"ORA-30348: ADD \u548c DROP \u4e0d\u80fd\u540c\u6642\u6307\u5b9a ORACLE \u5831\u932f \u6545\u969c\u4fee\u5fa9 \u9060\u7a0b\u8655\u7406"},"content":{"rendered":"<h1 id=\"ora-30348-add-%e5%92%8c-drop-%e4%b8%8d%e8%83%bd%e5%90%8c%e6%99%82%e6%8c%87%e5%ae%9a-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-hbFfvxOUNK\">ORA-30348: ADD \u548c DROP \u4e0d\u80fd\u540c\u6642\u6307\u5b9a 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-30348<\/code>\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u5617\u8a66\u540c\u6642\u5c0d\u4e00\u500b\u8868\u9032\u884c <code>ADD<\/code> \u548c <code>DROP<\/code> \u64cd\u4f5c\u6642\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u9032\u884c\u6545\u969c\u4fee\u5fa9\u3002<\/p>\n<h2 id=\"ora-30348-%e9%8c%af%e8%aa%a4%e7%9a%84%e5%8e%9f%e5%9b%a0-hbFfvxOUNK\">ORA-30348 \u932f\u8aa4\u7684\u539f\u56e0<\/h2>\n<p>\u7576\u4f60\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u57f7\u884c\u4e00\u500b DDL\uff08\u6578\u64da\u5b9a\u7fa9\u8a9e\u8a00\uff09\u8a9e\u53e5\u6642\uff0c\u5982\u679c\u540c\u6642\u6307\u5b9a\u4e86 <code>ADD<\/code> \u548c <code>DROP<\/code> \u64cd\u4f5c\uff0c\u7cfb\u7d71\u5c07\u8fd4\u56de <code>ORA-30348<\/code> \u932f\u8aa4\u3002\u9019\u662f\u56e0\u70ba Oracle \u4e0d\u5141\u8a31\u5728\u540c\u4e00\u500b\u64cd\u4f5c\u4e2d\u5c0d\u540c\u4e00\u500b\u5c0d\u8c61\u9032\u884c\u6dfb\u52a0\u548c\u522a\u9664\u7684\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-hbFfvxOUNK\">\u793a\u4f8b<\/h3>\n<pre><code>ALTER TABLE employees ADD (salary NUMBER(8,2)) DROP (department_id);<\/code><\/pre>\n<p>\u4e0a\u8ff0\u8a9e\u53e5\u5c07\u5c0e\u81f4 <code>ORA-30348<\/code> \u932f\u8aa4\uff0c\u56e0\u70ba\u5b83\u540c\u6642\u5617\u8a66\u6dfb\u52a0 <code>salary<\/code> \u5217\u4e26\u522a\u9664 <code>department_id<\/code> \u5217\u3002\u6b63\u78ba\u7684\u505a\u6cd5\u662f\u5c07\u9019\u5169\u500b\u64cd\u4f5c\u5206\u958b\u57f7\u884c\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-ora-30348-%e9%8c%af%e8%aa%a4-hbFfvxOUNK\">\u5982\u4f55\u4fee\u5fa9 ORA-30348 \u932f\u8aa4<\/h2>\n<p>\u8981\u4fee\u5fa9 <code>ORA-30348<\/code> \u932f\u8aa4\uff0c\u60a8\u9700\u8981\u5c07 <code>ADD<\/code> \u548c <code>DROP<\/code> \u64cd\u4f5c\u5206\u958b\u3002\u4ee5\u4e0b\u662f\u4fee\u5fa9\u7684\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u9996\u5148\uff0c\u57f7\u884c <code>ADD<\/code> \u64cd\u4f5c\uff1a<\/li>\n<\/ul>\n<pre><code>ALTER TABLE employees ADD (salary NUMBER(8,2));<\/code><\/pre>\n<ul>\n<li>\u7136\u5f8c\uff0c\u57f7\u884c <code>DROP<\/code> \u64cd\u4f5c\uff1a<\/li>\n<\/ul>\n<pre><code>ALTER TABLE employees DROP (department_id);<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u60a8\u5c31\u53ef\u4ee5\u907f\u514d <code>ORA-30348<\/code> \u932f\u8aa4\uff0c\u4e26\u6210\u529f\u57f7\u884c\u6240\u9700\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e8%99%95%e7%90%86-ora-30348-%e9%8c%af%e8%aa%a4-hbFfvxOUNK\">\u9060\u7a0b\u8655\u7406 ORA-30348 \u932f\u8aa4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u9060\u7a0b\u8655\u7406 <code>ORA-30348<\/code> \u932f\u8aa4\u3002\u9019\u901a\u5e38\u6d89\u53ca\u5230\u4f7f\u7528\u9060\u7a0b\u9023\u63a5\u5de5\u5177\u4f86\u8a2a\u554f\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 SQL*Plus \u6216\u5176\u4ed6 SQL \u5ba2\u6236\u7aef\uff1a<\/strong>\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u60a8\u9023\u63a5\u5230\u9060\u7a0b\u6578\u64da\u5eab\u4e26\u57f7\u884c SQL \u8a9e\u53e5\u3002<\/li>\n<li><strong>\u6aa2\u67e5\u6b0a\u9650\uff1a<\/strong>\u78ba\u4fdd\u60a8\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c <code>ALTER TABLE<\/code> \u64cd\u4f5c\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6a94\u6848\uff1a<\/strong>\u67e5\u770b\u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6a94\u6848\uff0c\u4ee5\u7372\u53d6\u66f4\u591a\u932f\u8aa4\u4fe1\u606f\u548c\u4e0a\u4e0b\u6587\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hbFfvxOUNK\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\uff0c<code>ORA-30348<\/code> \u932f\u8aa4\u901a\u5e38\u662f\u7531\u65bc\u540c\u6642\u6307\u5b9a <code>ADD<\/code> \u548c <code>DROP<\/code> \u64cd\u4f5c\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u5c07\u9019\u4e9b\u64cd\u4f5c\u5206\u958b\u57f7\u884c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u6b64\u5916\uff0c\u9060\u7a0b\u8655\u7406\u6b64\u932f\u8aa4\u6642\uff0c\u4f7f\u7528\u5408\u9069\u7684\u5de5\u5177\u548c\u6aa2\u67e5\u6b0a\u9650\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7a ORA-30348 \u932f\u8aa4\uff0c\u4e86\u89e3\u5728 Oracle \u4e2d\u70ba\u4f55\u4e0d\u80fd\u540c\u6642\u4f7f\u7528 ADD \u548c DROP\uff0c\u4e26\u638c\u63e1\u9060\u7a0b\u8655\u7406\u7684\u6545\u969c\u4fee\u5fa9\u6280\u5de7\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-91314","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91314","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=91314"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91314\/revisions"}],"predecessor-version":[{"id":91315,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/91314\/revisions\/91315"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=91314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=91314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=91314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}