AWS Database Blog

Tag: Aurora PostgreSQL

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 […]

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Migrating Oracle Autonomous Transactions to PostgreSQL

Migrating and operating a database includes layers of complexity and thorough planning. Amazon RDS for PostgreSQL and Amazon Aurora with PostgreSQL compatibility can help you manage a variety of use cases. While migrating from Oracle to PostgreSQL, it’s very common to come across Oracle Autonomous Transactions. This post explains Autonomous Transactions and how you can […]

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How New Innovations migrated their residency management platform from Microsoft SQL Server to Amazon Aurora PostgreSQL

New Innovations has built a business around shared ideas and beliefs that all point to a larger purpose—empowering medical educators and administrators to provide quality medical education. Intelligence is advancing to the point where there is no separation between task and technology, and the result is that medical trainees and educators can be relieved of mundane administrative duties. Our partners in medical education work with us so that one day this ideal future becomes a reality.

The future is not far away, and thanks to AWS and Amazon Aurora PostgreSQL, our company has been able to build an infrastructure that scales to meet our customers’ demands. AWS Database Migration Service (AWS DMS) made our transition to Aurora PostgreSQL a seamless experience for both our customers and our software developers, while minimizing the risk. We used AWS DMS to fully migrate 700+ instances of Microsoft SQL Server to Aurora PostgreSQL. In addition, Amazon RDS Performance Insights now gives us excellent visibility into our database layer and allows us to respond quickly to any abnormalities.

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Failover with Amazon Aurora PostgreSQL

Replication, failover, resilience, disaster recovery, and backups—it can be challenging to achieve any or all of these in a traditional or non-cloud-based architecture. In addition, they sometimes require a considerable re-engineering effort. Due to the high implementation and infrastructure costs that are involved, some businesses are compelled to tier their applications so that only the […]

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Database Migration

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 […]

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How to set up a single pgpool endpoint for reads and writes with Amazon Aurora PostgreSQL

Amazon Aurora provides endpoints for the primary DB instance (the cluster endpoint) and for Read Replicas (the reader endpoint). Aurora updates the cluster endpoint automatically so that it always points to the primary instance. The reader endpoint load balances read operations across all available Read Replicas. Amazon Aurora Replicas typically have less than 100 ms […]

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A quick introduction to migrating from an Oracle database to an Amazon Aurora PostgreSQL database

In this post, we build an AWS CloudFormation stack to deploy resources to help demonstrate the process of migrating from an Oracle database to an Amazon Aurora PostgreSQL database. Because this is a heterogeneous migration, we follow a two-phase approach similar to what is detailed in How to Migrate Your Oracle Database to PostgreSQL. The […]

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Challenges When Migrating from Oracle to PostgreSQL—and How to Overcome Them

David Rader is the vice president of engineering at OpenSCG. OpenSCG is an AWS Consulting Partner and a leading expert in PostgreSQL, helping customers migrate to, operate, and optimize PostgreSQL and other data platforms on premises and in the cloud. In previous posts, we looked at the overall approach for a successful database migration and […]

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Stream data into an Aurora PostgreSQL Database using AWS DMS and Amazon Kinesis Data Firehose

Using AWS Database Migration Service (AWS DMS), you can migrate data from various sources to most widely used commercial and open-source databases. The service supports homogenous migrations such as Oracle to Oracle. It also supports heterogeneous migrations between different database platforms, such as Oracle to Amazon Aurora or Microsoft SQL Server to MySQL. In addition, […]

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Picking Your First Database to Migrate to Amazon RDS or Amazon Aurora with PostgreSQL-compatibility

David Rader is the vice president of engineering at OpenSCG. OpenSCG is an AWS Consulting Partner and a leading expert in PostgreSQL, helping customers migrate to, operate, and optimize PostgreSQL and other data platforms on-premises and in the cloud. In a previous post, we covered the overall approach you can take to migrate your current […]

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