WebSwitch to the new Undo tablespace. sql> alter system set undo_tablespace=UNDOTBS2 scope=both; 3. Check the status of the Undo segments in the Undo tablespace to be dropped. sql> select tablespace_name, status, count (*) from dba_rollback_segs group by tablespace_name, status;WebWhen the database instance starts, the database automatically selects the first available undo tablespace. If no undo tablespace is available, then the instance starts without an undo tablespace and stores undo records in the SYSTEM tablespace. This is not recommended, and an alert message is written to the alert log file to warn that the ...
Step to Change UNDO Tablespace in Oracle - Smart way of Techno…
WebTo alter the availability of a tablespace, use the ALTER TABLESPACE statement. You must have the ALTER TABLESPACE or MANAGE TABLESPACE system privilege. To Take a …WebJul 8, 2010 · Thank you, ZahKar Jul 8 2010. since you already have changes your UNDO_TABLESPACE=UNDOTBS2 so any new transaction's undo will go to UNDOTBS2. But any pending transactions that are still lying in the old undo table space will stay there and you cannot drop your old undo tablespace unless they are cleaned up. user12024849 Jul …rdr2 online stuck in stable
Oracle备份与恢复(exp/imp,expdp/impdp) - 知乎 - 知乎专栏
WebApr 14, 2024 · 为你推荐; 近期热门; 最新消息; 心理测试; 十二生肖; 看相大全; 姓名测试; 免费算命; 风水知识WebApr 22, 2024 · Doing some digging I've found there is one rollback segment that is still online. The alert log also has been logging that there are active transactions in the old …WebSwitch to the new Undo tablespace sql> alter system set undo_tablespace = undotbs2 scope=both; 5. Check the status of the undo segments and determine if all the segments in the old undo tablespace are offline. sql> select tablespace_name, status, count (*) from … Starting from 12.1, we could use “RECOVER DATABASE FROM SERVICE“command …how to spell luffy