Browsed by
Tag: Active Data Guard

AWR on ADG

AWR on ADG

Active Data Guard is a lot more than the read-only standby database. Let’s focus on this part a bit. Read-only workloads are select workloads and are just queries. Working on a read-only database where redo apply is running results in a complex mechanism of keeping data up to date and combining it with user queries. From time to time, you can’t help but question the performance of the queries or how the overall standby database is performing. What could possibly…

Read More Read More

DBMS_ROLLING explained

DBMS_ROLLING explained

Active Data Guard is more than just the Read-Only Standby database. Together with your Active Data Guard license comes the “Rolling Upgrade using Active Data Guard” Feature, better known as DBMS_ROLLING. If you search this blog for Transient logical standby, you can find it here. But DBMS_ROLLING is way easier. The principle remains the same: Create the guaranteed restore point Build the logminer dictionary Convert the physical standby to a logical standby Upgrade the logical standby Start the apply again…

Read More Read More

%d bloggers like this: