ORA-01466是Oracle数据库中的一个错误代码,它表示“unable to read data - table definition has changed”。这个错误通常发生在执行查询或DML(数据操纵语言)操作时,表的结构在会话中发生了变化,导致Oracle无法按照预期的格式读取数据。下面是对该错误的详细解答: 1. 解释ORA-01466错误的含义 ORA-01466错误表明在数据...
1.Oracle建议我们等待大约5分钟之后再进行flashback query新创建的表,否则可能会碰到这个错误ORA-01466: unable to read data - table definition has changed. 注意这个5分钟时间间隔正好是9i 中SCN和timestamp相map的时间间隔,虽然可以用timestamp来进行flashback query,但实质还是根据该timestamp对应的SCN来进行flasb...
ORA-01466: 无法读取数据 - 表定义已更改 前几天同事同事误删除数据,经查询发现数据在7:13分时候还是全量 628W行; 于是他将现在的表复制了个备份,其中有数据200W; 于是为了省事,想要直接闪回全表,就把这个表truncate了。。。 再查询时间点7:13的数据时,开始报错 ora-01466 原因:如果删除数据后,对表做了ddl...
ORA-01466:unabletoreaddata-tabledefinitionhaschanged你看下，报了这样的错，说明当时对于这两张表有做ddl操作，而你看到last_ddl_time是5:30，可能之后又做了ddl操作，所以你看到的时间不一致。
ORA-01466: unable to read data - table definition has changed CAUSE & SOLUTION: This error happens when a DDL change happened on that object and we are trying to flashback to a timestamp, before that DDL change. i.e let’s say, DDL change happened to the database at 5 PM, and if...
ORA-01466: 无法读数据 - 表定义已更改ORA-01467: 分类 (sort) 关键字过长ORA-01468: 一个谓词只能引用一个外部连接表ORA-01469: PRIOR 后面只能跟列名ORA-01470: In-list 迭代不支持混合运算符ORA-01471: 无法创建与对象同名的同义词ORA-01472: 无法将 CONNECT BY 用于 DISTINCT,GROUP BY 等的视图ORA-...
官方文档的解释: ORA-01466: unable to read data - table definition has changed Cause:Query parsed after tbl (or index) change, and executed w/old snapshot Action:commit (or rollback) transaction, and re-execute 在网上找到一个 > Solution Description: ...
exp ORA-01466: unable to read data - table definition has changed,在做一次exp的时候出现这样的问题 来至这个问题的解释 Solution Description: === This is usually caused when some change has been made to the initialisation parameter FIXED_
ORA-01466: unable to read data - table definition has changed 可以分析是该表现在的表结构和导出时该表的结构发生了变化 3.重现该报错(测试环境还原场景) SYS@PROD4 >conn scott/tiger; Connected. SCOTT@PROD4 >select current_scn from v$database; ...
Oracle Database - Enterprise Edition - Version 11.1.0.6 and later: EXPDP - How to Solve "ORA-01466: unable to read data - table definition has changed"