AWS Database Blog

Category: Babelfish for Aurora PostgreSQL

Migrate SQL Server to Babelfish for Aurora PostgreSQL using the Compass tool and AWS DMS

Many AWS customers are starting to modernize architectures and move toward open-source databases. Babelfish for Aurora PostgreSQL makes it easier to migrate applications from SQL Server to Amazon Aurora PostgreSQL-Compatible Edition. With Babelfish, Aurora PostgreSQL-Compatible supports commonly used T-SQL language and semantics, which reduces the amount of code changes related to database calls in an […]

Migrate Microsoft SQL Server to Babelfish for Aurora PostgreSQL with minimal downtime using AWS DMS

In this post, we show how you can migrate from Microsoft SQL Server to a Babelfish for Aurora PostgreSQL cluster with minimal downtime using AWS Database Migration Service (AWS DMS). Customers using Microsoft SQL Server may want to migrate to open-source databases like PostgreSQL; however, the significant effort to required migrate the application itself, including […]

Working with accent-insensitive collations with Babelfish for Aurora PostgreSQL

Babelfish for Aurora PostgreSQL includes support for the SQL Server wire-protocol and T-SQL, which is the query language used in Microsoft SQL Server. This means that developers can use Babelfish to run their existing SQL Server applications on Amazon Aurora PostgreSQL-Compatible Edition without having to switch database drivers or completely rewrite their queries. If you’re […]

Migrate your SQL Server database to Babelfish for Aurora PostgreSQL using the Bulk Copy Program utility

Babelfish for Aurora PostgreSQL includes support for the SQL Server wire-protocol and T-SQL, which is the query language used in Microsoft SQL Server. This means that developers can use Babelfish to run their existing SQL Server applications on Amazon Aurora PostgreSQL-Compatible Edition without having to switch database drivers or completely rewrite their queries. When migrating […]

Best practices for migrating SQL Server MERGE statements to Babelfish for Aurora PostgreSQL

To migrate a SQL Server database to Babelfish for Aurora PostgreSQL, you usually need to perform both automated and manual tasks. The automated tasks involve automatic code conversion using the Babelfish Compass tool with the -rewrite flag and data migration using AWS Database Migration Service (AWS DMS). The manual tasks involve database compatibility check using […]

Deep dive into Babelfish Compass

Babelfish for Aurora PostgreSQL is a capability for Amazon Aurora PostgreSQL-Compatible Edition that enables Amazon Aurora to understand commands from applications written for Microsoft SQL Server. When migrating from SQL Server to Babelfish for Aurora PostgreSQL, the first step is often a feasibility and compatibility assessment. You can use the Babelfish Compass tool to generate […]

Client-side T-SQL assessment for SQL Server to Babelfish for Aurora PostgreSQL migration

Babelfish for Aurora PostgreSQL is a capability for Amazon Aurora PostgreSQL-Compatible Edition that adds an endpoint to PostgreSQL that understands the SQL Server wire protocol Tabular Data Stream (TDS), as well as commonly used T-SQL statements from client applications written for Microsoft SQL Server. Migrating from legacy SQL Server databases can be time-consuming and resource-intensive. […]

Prepare for Babelfish migration with the AWS SCT assessment report

Database migrations typically consist of converting the database schema and loading the data from the source database to the target database. After the migration, developers still need to change the application to use the target database drivers, and they often need to rewrite the application code to make it all work. With Babelfish for Aurora […]

Migrate from SQL Server to Aurora PostgreSQL using SSIS and Babelfish

July 2023: This post was reviewed for accuracy. Babelfish for Aurora PostgreSQL understands T-SQL, Microsoft SQL Server’s proprietary SQL dialect, and supports the same communications protocol, so your applications that were originally written for SQL Server can now work with Amazon Aurora PostgreSQL-Compatible Edition with fewer code changes. With Babelfish, you still have to migrate […]