Amazon SimpleDB
• Amazon SimpleDB is a highly available, scalable, and flexible non-relational data store that offloads the work of database administration. Developers simply store and query data items via web services requests, and Amazon SimpleDB does the rest.
• Behind the scenes, Amazon SimpleDB creates and manages multiple geographically distributed replicas of your data automatically to enable high availability and data durability. The service responds to changes in traffic by charging you only for the compute and storage resources actually consumed in serving your requests. You can change your data model on the fly, and data is automatically indexed for you. With Amazon SimpleDB, you can focus on application development without worrying about infrastructure provisioning, high availability, software maintenance, schema and index management, or performance tuning.
Amazon SimpleDB Functionality:
• Build your data set
• Choose a Region for your Domain(s) to optimize for latency, minimize costs, or address regulatory requirements. Amazon SimpleDB is currently available in the US-East (Northern Virginia), US-West (Northern California), and EU (Ireland) Regions.
• Use CreateDomain, DeleteDomain, ListDomains, DomainMetadata to create and manage query domains
• Use Put, Batch Put, & Delete to create and manage the data set within each query domain
• Retrieve your data
• Use GetAttributes to retrieve a specific item
• Use Select to query your data set for items that meet specified criteria
• Pay only for the resources that you consume
Amazon SimpleDB Pricing:
• As your demand grows, you still pay only for what you use. As with other AWS services, there is no minimum fee and no long-term commitment. Also, note that we charge less where our costs are less, thus some prices vary across Geographic Regions. The prices listed are based on the Region in which you establish your Amazon SimpleDB domain(s). Amazon SimpleDB may be used from most countries, so long as payment is made in US Dollars.
• Amazon SimpleDB measures the machine utilization of each request and charges based on the amount of machine capacity used to complete the particular request (SELECT, GET, PUT, etc.), normalized to the hourly capacity of a circa 2007 1.7 GHz Xeon processor.
• Machine Utilization.
• Data Transfer.
• Structured Data Storage.
Amazon Relational Database Service (RDS):
• Amazon Relational Database Service (Amazon RDS) is a web service that makes it easy to set up, operate, and scale a relational database in the cloud. It provides cost-efficient and resizable capacity while managing time-consuming database administration tasks, freeing you up to focus on your applications and business.
• Amazon RDS gives you access to the full capabilities of a familiar MySQL database. This means the code, applications, and tools you already use today with your existing MySQL databases work seamlessly with Amazon RDS. Amazon RDS automatically patches the database software and backs up your database, storing the backups for a user-defined retention period.
• You also benefit from the flexibility of being able to scale the compute resources or storage capacity associated with your relational database instance via a single API call.
• As with all Amazon Web Services, there are no up-front investments required, and you pay only for the resources you use.
RDS Functionality:
• Launch a database instance (DB Instance), selecting the DB Instance class and storage capacity that best meets your needs.
• Select the desired retention period (in number of days) for your automated database backups. Amazon RDS will automatically back up your database during your predefined backup window. For typical workloads, this allows you to restore to any point in time within your retention period, up to the last five minutes. You can also restore from a DB Snapshot, a user-initiated backup that can be run at any time with a simple API call.
• Connect to your DB Instance using your favorite database tool or programming language. Since you have direct access to a full-featured MySQL database, any tool designed for the MySQL engine will work unmodified with Amazon RDS.
• Monitor the compute and storage resource utilization of your DB Instance, for no additional charge, via Amazon CloudWatch. If at any point you need additional capacity, you can scale the compute and storage resources associated with your DB Instance with a simple API call.
• Pay only for the resources you actually consume, based on your DB Instance hours consumed, database storage, backup storage, and data transfer
RDS Pricing:
• Pay only for what you use. There is no minimum fee. Estimate your monthly bill using the AWS Simple Monthly Calculator.
• Amazon RDS DB Instance Pricing
• Provisioned Database Storage
• Backup Storage
• Data Transfer
• Availability Zone Data Transfer
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