“ORA-1555:snapshot too old(快照过旧)”错误明确指出,撤销数据的保存时间不够长,不足以满足查询工作负载的要求:没有足够的可用撤销数据。A是错误的,因为它根本不指撤销,指的是快照(存在于早先的数据库版本中,现称为物化视图)。B和D都是错误的,因为它们描述了相反的情形:撤销数据的保留时间过长。这不是问题...
ORA-01555: snapshot too old: rollback segment number 107 with name "_SYSSMU107_1253191395$" too small 2问题发生时的跟踪日志文件 默认情况,ORA-01555错误发生时不会自动生成跟踪日志文件。但是可以在系统里设置下面的事件,让它在错误发生时同时生成: alter system set events '1555 trace name errorstack ...
* ERROR at line 1: ORA-01555: snapshot too old: rollback segment number 11 with name "_SYSSMU11$" too small ORA-06512: at line 21 总结: 对于报错,原因在于SELECT语句是按照object_id的索引进行读取,(INDEX FULL SCAN),由于之前数据是按照随机顺序插入得到的,因此此处是在全表上执行随机读,这样就...
ORA-01555: snapshot too old: rollback segment number 107 with name "_SYSSMU107_1253191395$" too small 2 问题发生时的跟踪日志文件 默认情况,ORA-01555错误发生时不会自动生成跟踪日志文件。但是可以在系统里设置下面的事件,让它在错误发生时同时生成: alter system set events '1555 trace name errorstack...
Any idea about ORA-1555: snapshot too old: rollback segment number I am getting this error and nothing seems to be wrong. Please state under what conditions in may occur and how it can be avoided? oracle Share Improve this question Follow asked Nov 6, 2009 at 9:58 Sachin 21.6k3333...
declare * ERROR at line 1: ORA-01555: snapshot too old: rollback segment number 11 with name "_SYSSMU11$" too small ORA-06512: at line 21 总结: 对于报错,原因在于SELECT语句是按照object_id的索引进行读取,(INDEX FULL SCAN),由于之前数据是按照随机顺序插入得到的,因此此处是在全表上执行随机读...
您的用户报告“ORA-1555:snapshot too old(快照过旧)”错误消息。这个错误可能是由下列哪些原因造成的(选择一个最佳答案)?A. 没有足够频繁地生成快照 B. 撤销数据过旧 C. 没有足够的撤销数据 D. 撤销表空间保存数据的时间过长 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > ...
Running a distributed query from 11.2.0.2.0 active Data Guard database and accessing a 10.2.0.4 database causes following error:ERROR at line 5:ORA-01555: snapshot too old: rollback segment number 10 with name "_SYSSMU10$"too smallORA-02063: preceding line from XXXX.YYYY.NET...
Datapump Export can fail with the following error when the parameter FLASHBACK_TIME is used: ORA-01555: snapshot too old: rollback segment number 18 with name "_SYSSMU18$" too small ORA-31693: Table data object "<SCHEMA_NAME>"."<TABLE_NAME>" failed to load/unload and is being skipped...
ORA-22924: snapshot too old or: EXP-00056: ORACLE error 22922 foundORA-22922: nonexistent LOB value. . Export der Tabelle <TABLE_NAME> 2 rows exported CHANGES CAUSE The ORA-1555 does not always confirm a corruption in LOB segment. This can also occur due to the fact that LOB PCT...