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Amazon DynamoDB vs Flyway: What are the differences?
Key Differences between Amazon DynamoDB and Flyway
Amazon DynamoDB and Flyway are two popular software solutions used in website development. While both are valuable in their respective ways, there are several key differences that set them apart.
Functionality: Amazon DynamoDB is a NoSQL database service provided by Amazon Web Services (AWS). It offers a highly scalable, fully managed, and serverless database that can seamlessly handle large amounts of data. On the other hand, Flyway is an open-source database version control and migration tool, primarily used for managing database schema changes.
Data Structure: DynamoDB is schema-less, allowing developers to store a wide variety of structured, semi-structured, and unstructured data. It supports key-value, document, and column-family data models. Flyway, on the other hand, focuses on managing database schemas using SQL-based migration scripts that define the structure of the database.
Scalability: DynamoDB is designed to scale automatically as the workload and demand for resources increase. It has built-in features like auto-scaling and partitioning that ensure the database can handle any amount of data and traffic. Whereas, Flyway's scalability is dependent on the underlying database technology being used.
Deployment: DynamoDB is a fully managed service provided by AWS, which means developers do not need to worry about provisioning, configuring, and managing servers. It is readily available and can be easily integrated into any AWS infrastructure. Flyway, on the other hand, needs to be installed and configured separately as it is a standalone tool.
Migration Process: Flyway provides a comprehensive migration workflow, enabling developers to easily manage and execute database schema changes. It tracks the history of migrations and allows for easy rollbacks if needed. DynamoDB, being a NoSQL database, doesn't have a traditional migration process as schema changes are often made dynamically without the need for explicit migrations.
Cost: DynamoDB has a pay-per-usage pricing model with different pricing tiers based on provisioned throughput and storage. The cost increases with the amount of data storage and read/write capacity units provisioned. Flyway, being an open-source tool, is free to use, but there might be associated costs depending on the database technology used.
In summary, Amazon DynamoDB is a fully managed NoSQL database service that offers high scalability and flexibility for storing various types of data. Flyway, on the other hand, is an open-source database migration tool used for managing schema changes in databases.
We are building a social media app, where users will post images, like their post, and make friends based on their interest. We are currently using Cloud Firestore and Firebase Realtime Database. We are looking for another database like Amazon DynamoDB; how much this decision can be efficient in terms of pricing and overhead?
Hi, Akash,
I wouldn't make this decision without lots more information. Cloud Firestore has a much richer metamodel (document-oriented) than Dynamo (key-value), and Dynamo seems to be particularly restrictive. That is why it is so fast. There are many needs in most applications to get lightning access to the members of a set, one set at a time. Dynamo DB is a great choice. But, social media applications generally need to be able to make long traverses across a graph. While you can make almost any metamodel act like another one, with your own custom layers on top of it, or just by writing a lot more code, it's a long way around to do that with simple key-value sets. It's hard enough to traverse across networks of collections in a document-oriented database. So, if you are moving, I think a graph-oriented database like Amazon Neptune, or, if you might want built-in reasoning, Allegro or Ontotext, would take the least programming, which is where the most cost and bugs can be avoided. Also, managed systems are also less costly in terms of people's time and system errors. It's easier to measure the costs of managed systems, so they are often seen as more costly.
Pros of Amazon DynamoDB
- Predictable performance and cost62
- Scalable56
- Native JSON Support35
- AWS Free Tier21
- Fast7
- No sql3
- To store data3
- Serverless2
- No Stored procedures is GOOD2
- ORM with DynamoDBMapper1
- Elastic Scalability using on-demand mode1
- Elastic Scalability using autoscaling1
- DynamoDB Stream1
Pros of Flyway
- Superb tool, easy to configure and use13
- Very easy to config, great support on plain sql scripts9
- Is fantastic and easy to install even with complex DB6
- Simple and intuitive4
- Easy tool to implement incremental migration1
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Cons of Amazon DynamoDB
- Only sequential access for paginate data4
- Scaling1
- Document Limit Size1
Cons of Flyway
- "Undo Migrations" requires pro version, very expensive3
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