How to reduce database downtime?

What is database downtime?

The term downtime is used to refer to periods when a system is unavailable. The unavailability is the proportion of a time-span that a system is unavailable or offline. This is usually a result of the system failing to function because of an unplanned event, or because of routine maintenance (a planned event).

Which migration method gives you the least downtime?

You can migrate an Oracle on-premises database to Exadata Cloud Service with Zero Downtime Migration. Zero Downtime Migration requires that you use Oracle Cloud Infrastructure Object Storage service as the intermediate backup medium to migrate on-premises databases to Oracle Cloud Infrastructure.

How can you avoid long migration time a large volume of data?

Strategy 1: offline copy migration An offline copy migration is the most straightforward method. Bring down your on-premise application, copy the data from your on-premise database to the new cloud database, then bring your application back online in the cloud.

What does a heterogeneous database migration mean?

heterogeneous migration: A migration from source databases to target databases where the source and target databases are of different database management systems from different providers.