Answer :
The configurations for the database solutions are highly streamlined, so you don't need to manually set up the database and failover clusters.
What is the main advantage of setting up an RDS database?
Use Amazon RDS Multi-AZ synchronous replication to keep the data on your standby database instance current with the primary in order to increase availability.
What is the main advantage of setting up an RDS database in read replica mode?
For Amazon RDS database (DB) instances, Amazon RDS Read Replicas offer improved performance and durability. For read-intensive database workloads, they make it simple to elastically scale out beyond the limitations of a single DB instance.
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