Is DynamoDB compatible with MySQL?

Is DynamoDB compatible with MySQL?

DynamoDB is a NoSQL storage layer while MySQL is used for relational storage. You should pick what to use based on the actual needs of your application. In fact, some applications might be well served by using both.

How do I migrate to DynamoDB?

Use AWS Data Migration Services (AWS DMS) to migrate data to a DynamoDB table. AWS DMS supports using a relational database or MongoDB as a source. Use the AWS Schema Conversion Tool (AWS SCT) to convert your existing database schema from one database engine to another.

How do I transfer data from RDS to DynamoDB?

Change the application endpoints from MySQL to DynamoDB.

  1. Step 1: Capture changing data and put into Amazon Kinesis Streams.
  2. Dump data from MySQL to DynamoDB.
  3. Step 3: Amazon Lambda function updates DynamoDB by reading data from Amazon Kinesis.
  4. Step 4: Switch the application endpoint to DynamoDB.

What type of database is DynamoDB?

Amazon DynamoDB is a key-value and document database that delivers single-digit millisecond performance at any scale. It’s a fully managed, multi-region, multi-active, durable database with built-in security, backup and restore, and in-memory caching for internet-scale applications.

Does Flyway support DynamoDB?

Flyway migrates your database, so you don’t have to worry about it anymore. Amazon DynamoDB belongs to “NoSQL Database as a Service” category of the tech stack, while Flyway can be primarily classified under “Database Tools”.

What are the disadvantages of DynamoDB?

Disadvantages of DynamoDB:

  • Deployable only on AWS and cannot be installed on individual desktops/servers.
  • Queries – Querying data is extremely limited.
  • Table Joins – Joins are impossible.
  • No Triggers.
  • No foreign keys concept to refer to other table items.
  • No server side scripts.

How to export data from MySQL to DynamoDB?

Batch-puts: Export MySQL data, upload it to Amazon S3, and import into DynamoDB. Real-time puts: Capture changed data in MySQL, send the insert/update/delete transaction to Amazon Kinesis Streams, and trigger the Lambda function to put data into DynamoDB.

How to migrate from Amazon Kinesis to DynamoDB?

As soon as real-time puts commences, start batch-puts. After batch-puts finishes, trigger the Lambda function to execute put_item from Amazon Kinesis Streams to DynamoDB. Change the application endpoints from MySQL to DynamoDB. Firstly, create an Amazon Kinesis stream to retain transaction data from MySQL.

How does AWS Lambda help with DynamoDB migration?

AWS Lambda helps you run your code without provisioning or managing servers. Your code can be automatically triggered by other AWS services such Amazon Kinesis Streams. Here are the two options I describe in this post: AWS DMS supports migration to a DynamoDB table as a target.

Are there any issues with a DynamoDB migration?

However, migrations can have two common issues: Service outage due to downtime, especially when customer service must be seamlessly available 24/7/365 This post introduces two methods of seamlessly migrating data from MySQL to DynamoDB, minimizing downtime and converting the MySQL key design into one more suitable for NoSQL.