AWS Database Blog

Category: Migration & Transfer Services

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 […]

Amazon Aurora as an Alternative to Oracle RAC

Written by David Yahalom, CTO and co-founder of NAYA Tech—a leading database, big data, and cloud professional and consulting service provider, located in San Jose, CA. In this post, I discuss how Amazon Aurora can serve as a powerful and flexible alternative to Oracle RAC. Both Oracle RAC and Amazon Aurora are designed to provide increased high availability and performance scalability for your databases.

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.

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 […]

Replicating Amazon EC2 or On-Premises SQL Server to Amazon RDS for SQL Server

Amazon RDS for SQL Server is a managed Microsoft SQL Server database service that makes it easy to set up, operate, and scale SQL Server deployments in the cloud. Amazon RDS takes away the time-consuming database administration activities so that you can focus on your schema design, query construction, query optimization, and building your application. […]

Migrating a SQL Server Database to a MySQL-Compatible Database Engine

This post provides an overview of how you can migrate your Microsoft SQL Server database to a MySQL-compatible database engine such as Amazon RDS for MySQL, Amazon RDS for MariaDB, or Amazon Aurora MySQL. The following are the two main parts of a database migration: Schema conversion: Converting the schema objects is usually the most […]