ORA-38750: FLASHBACK DATABASE may not be performed using a dispatcher.

文档解释

ORA-38750: FLASHBACK DATABASE may not be performed using a dispatcher.

Cause: An attempt was made to use a dispatcher process for FLASHBACK DATABASE. Memory requirements disallow this recovery method.

Action: Connect to the instance via a dedicated server process to perform FLASHBACK DATABASE.

ORA-38750是Oracle数据库错误,指的是无法通过dispatcher执行FLASHBACK DATABASE操作。

官方解释

常见案例

一般处理方法及步骤

1、禁用dispatcher:ALTER SYSTEM DISABLE DISPATCHER;

2、使用RMAN备份恢复:

(1)备份数据库:RMAN> BACKUP DATABASE;

(2)恢复数据库:RMAN> RESTORE DATABASE;

3、使用Enterprise Manager管理恢复:

(1)登陆Enterprise Manager

(2)选择恢复模式

(3)选择当前时间,执行恢复操作:恢复到某一时间点,使用Flashback Database功能

(4)完成恢复操作,检查实例是否正常运行

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