Amazon DynamoDB vs Oracle Database Cloud Service

• Amazon DynamoDB is infinitely scalable. It is fast and Amazon automatically allocates more resources.
• No predefined schema is required. This ensures flexibility.
• Minimum administrative cost since Amazon manages all that. This works for small companies since you don't need a DevOps headcount.

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• Easy to implement and set-up services in oracle cloud platform.
• Easy for maintenance like applying patches, auto back-up on cloud storage and local storage.
• Easy to scale up the core CPU & data storage for Database Server.
• Secured SSH connection and very well managed to control access on the database as service.

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• It's a NoSQL database. That means you lose all the capabilities of a traditional RDBMS model. You can't do joins to query data and you lose ACID properties.
• DynamoDB does not support multiple indices. That means for certain queries, you need to do full table scans which is not desirable. There are work arounds for this.
• The provisioned throughput doesn't degrade gracefully. That means that once you hit the limit, the requests are denied. It's tricky to come up with the limits of your application.

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• It will be good to have UI control based auto backup options like retention of database backup, auto delete DB back-up.
• Auto Extend Data Storage on existing local storage process needs to be little improved, it's not smooth to create the extension of data storage on local.
• There should be some easy and better way of sending the DB monitor alerts (like Tablespace exceed,Index Space is full, High Performance Query on DB) to specific required email address.

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• Better faster coding for data storage and retrieval
• Can get very expensive very fast for some use cases, while really cheap for others
• Hidden errors and short falls leads to very frustrating troubleshooting

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• Yes it saved the time/effort for manually installing and set-up of Oracle DB.
• It also saved efforts/time on patches, db back-up process.
• Now easy to scale up the Oracle DB as service without any long process of procuring the additional hardware and set-up.

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