AWS Database Blog

Tag: AWS Database Migration Service

Migrate Delimited Files from Amazon S3 to an Amazon DynamoDB NoSQL Table Using AWS Database Migration Service and AWS CloudFormation

July 2023: This post was reviewed for accuracy. Recently, AWS Database Migration Services (AWS DMS) added support for using Amazon S3 as a source for your database migration. This new support means that you can now load data in comma-separated value (CSV) format from S3 into any supported target, whether or not the target has […]

Migration Validation (Part 2) – Introducing Data Validation in AWS Database Migration Service

AWS Database Migration Service (AWS DMS) helps you migrate databases to AWS quickly and securely. You can migrate your data to and from most widely used commercial and open source databases, such as Oracle, Microsoft SQL Server, and PostgreSQL. The service supports homogeneous migrations such as Oracle to Oracle, and also heterogeneous migrations between different […]

Migration Validation (Part 1) – Introducing Migration Assessment in AWS Database Migration Service

We are excited to announce a new feature that provides a pre-migration checklist in AWS Database Migration Service (AWS DMS). AWS DMS does a great job of helping you move your data between multiple supported sources and targets. However, migrations can be difficult, especially when you’re moving from one database engine to another (known as […]

Crowdsource Database Migration—Let’s Do It Together

We always treat database migration projects as a development exercise. Each project should have proper planning (that is, design), execution, and of course testing. Each step involves developer collaboration. Developers also just like to collaborate on tools, methodologies, and a nice piece of code. We want to facilitate developer collaboration for migration projects, to bring more tools and methods to the community to allow better, smoother, and faster migrations. As part of this effort, we recently launched two GitHub repositories, for AWS DMS samples and AWS DMS tools.

Debugging Your AWS DMS Migrations: What to Do When Things Go Wrong (Part 2)

In our previous post, we covered the initial steps to debug AWS Database Migration Service (DMS) migrations for environmental issues. In this post, we continue the debugging process, discussing problems with migration tasks that aren’t in the list preceding and that aren’t due to environmental issues. We review CloudWatch graphs and task and table states to shed light on DMS migrations.

Debugging Your AWS DMS Migrations: What to Do When Things Go Wrong (Part 1)

This post walks you through a troubleshooting flow chart to help you understand what could go wrong with migrations using AWS DMS, and it discusses best practices for debugging your AWS DMS migrations. This process involves creating the required AWS DMS components—like the replication instance, source and target endpoints, and the replication task to migrate data from the source endpoint to the target endpoint.

Introducing Amazon S3 and Microsoft Azure SQL Database Connectors in AWS Database Migration Service

We are excited to announce the addition of two new database connectors in AWS Database Migration Service (AWS DMS)—Amazon S3 as a source and Microsoft Azure SQL Database as a source. You can now migrate data from these two new sources to all AWS DMS supported targets. Amazon S3 as a source You can now […]

Using AWS Database Migration Service and Amazon Athena to Replicate and Run Ad Hoc Queries on a SQL Server Database

Prahlad Rao is a solutions architect at Amazon Web Services. When you replicate a relational database to the cloud, one of the common use cases is to enable additional insights on the replicated data. You can apply the analytics and query-processing capabilities that are available in the AWS Cloud on the replicated data. To replicate […]

SCT Workflow

Categorizing and Prioritizing a Large-Scale Move to an Open Source Database

July 2023: This post was reviewed for accuracy. The AWS Schema Conversion Tool (AWS SCT) and AWS Database Migration Service (AWS DMS) are tools that help facilitate and simplify migrating your commercial database to a variety of engines on Amazon RDS. AWS SCT specifically helps simplify proprietary database migrations to open source. It does this by automatically […]