AWS Database Blog
Category: AWS Database Migration Service
Best practices for migrating an Oracle database to Amazon RDS PostgreSQL or Amazon Aurora PostgreSQL: Migration process and infrastructure considerations
An Oracle to PostgreSQL migration in the AWS Cloud can be a complex multistage process with different technologies and skills involved, starting from the assessment stage to the cutover stage. This blog series covers the environment and configuration setups for your source Oracle database, the AWS Database Migration (AWS DMS) service, and the target PostgreSQL […]
AWS Schema Conversion Tool blog series: Introducing new features in build 617
We are excited to introduce a new version of the AWS Schema Conversion Tool (AWS SCT). This version includes support for table-valued function conversions, additional information in server-level assessment reports, and more. For those of you who are new to AWS SCT, this tool helps convert your existing database schema from one database engine to […]
AWS Schema Conversion Tool introduces new features in build 616
We are excited to introduce a new version of AWS Schema Conversion Tool (AWS SCT) that includes support for PostgreSQL 10 partitioning, a new server-level Assessment Report, support for table-valued functions, and more. For those of you who are new to AWS SCT, this tool helps convert your existing database schema from one database engine […]
How to work with native CDC support in AWS DMS
AWS Database Migration Service (AWS DMS) today launches native CDC support and the ability to start and stop the AWS DMS replication from a specific checkpoint. When you work with this feature, you can use checkpoints such as a log sequence number (LSN) in Microsoft SQL Server, a system change number (SCN) in Oracle, and […]
How to archive data from relational databases to Amazon Glacier using AWS DMS
March 2023: This post was reviewed and updated with architecture diagrams and console screenshots. You can use AWS Database Migration Service (AWS DMS) to migrate data from various sources to most widely used commercial and open-source databases. AWS DMS also supports Amazon S3 as a source and as a target for migrations. When you use Amazon S3 […]
How to migrate BLOB and CLOB tables from Oracle to PostgreSQL using Ora2pg and AWS DMS
Many enterprises are considering migrating their Oracle databases to PostgreSQL because of the close compatibility between the platforms and the enterprises’ desire to reduce licensing costs. Amazon RDS for PostgreSQL and Amazon Aurora with PostgreSQL compatibility make it easy to set up, operate, and scale PostgreSQL deployments in the cloud in a cost-efficient manner. AWS […]
How to encrypt database columns with no impact on your application using AWS DMS and Baffle
AWS offers a wealth of security features to protect its infrastructure and services, such as AWS Identity and Access Management (IAM) and AWS Key Management Service (AWS KMS). AWS Data Migration Service (AWS DMS) provides users a simple automated way of migrating data from their existing databases to Amazon RDS. As part of this, AWS […]
AWS DMS now supports R4 Type Instances and learn to choose the right instance AWS DMS migrations
We are happy to announce support for R4 memory-optimized instances of Amazon EC2 in AWS Database Migration Service (AWS DMS). These instances come with more memory and higher network bandwidth to help support migrations requiring higher throughput and memory-intensive operations. Here you can see the lineup of instances that is supported in DMS. Now that […]
AWS Database Migration Service and AWS Schema Conversion Tool now support IBM Db2 LUW as a source
Managing and operating relational databases is a basic piece of maintaining an effective business. Relational databases come in many flavors—commercial (Oracle, Microsoft SQL Server, IBM Db2, and so on) and open source (MySQL, PostgreSQL, and so on). With innovation and improvements in the open-source database world and cloud computing platforms like AWS, many enterprises are […]
Introducing schema compare in AWS Schema Conversion Tool
The AWS Schema Conversion Tool (AWS SCT) makes your database migrations more predictable. It does this by automatically converting the source database schema and most of the database code objects to a format compatible with the target database. We’re excited to announce a new feature in AWS SCT to enable schema comparison and synchronization for […]









