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What is Amazon RDS? Define the Cost of Relational Database Service with it's features


Amazon RDS (Relational Database Service) is a fully-managed SQL database cloud service that allows to create and operate relational databases. Using RDS you can access your files and database anywhere in a cost-effective and highly scalable way.




Features of Amazon RDS


Scalable:


Amazon RDS allows to scale the relational database by using AWS Management Console or RDS-specific API. We can increase or decrease your RDS requirements within minutes.



Host replacement:


Sometimes these situations occur when the hardware of Amazon RDS fails. There is no need to worry, it will be automatically replaced by Amazon.


Inexpensive:


Using Amazon RDS, we pay only for the resources we consume. There is no up-front and long-term commitment.


Secure:


Amazon RDS provides complete control over the network to access their database and their associated services.


Automatic backups:


Amazon RDS backs up everything in the database including transaction logs up to last five minutes and also manages automatic backup timings.


Software patching:


Automatically gets all the latest patches for the database software. We can also specify when the software should be patched using DB Engine Version Management.


Pricing of Amazon RDS



Amazon RDS, pay only for only the usage without any minimum and setup charges. Billing is based on the following criteria −

Instance class:


Pricing is based on the class of the DB instance consumed.


Running time:


Price is calculated by the instance-hour, which is equivalent to a single instance running per hour.


Storage:


Bill is calculated as per the storage capacity plan chosen in terms of per GB.

I/O requests per month:


Billing structure also includes total number of storage I/O requests made in a billing cycle.


Backup storage:


There is no additional charges for backup storage up to 100% of database. This service is free only for active DB instances.



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