Active Data Guard (ADG)

How to Resolve ORA-01152: file 1 was not restored from a sufficiently old backup

by Ed Chen
March 18, 2020December 12, 2022
4 Comments

When I tried to open the standby database to READ ONLY for later real-time query of Active Data Guard (ADG), I got this error message.… Read More »

How to Enable Real-Time Query in the Standby Database

by Ed Chen
January 6, 2013October 20, 2022
1 Comment

Real-Time Query Before 11g database, the standby database must be mount state, and data guard does not allow the standby database to open to read-only… Read More »

Srvctl Modify Database Startup Options

by Ed Chen
November 2, 2012November 9, 2022

Srvctl Start Database Mount Standby In some cases, you would like to change the default startup option of srvctl other than OPEN, for example, after… Read More »

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