Oracle to PostgreSQL Migration

Q: What is the main difference between Oracle and PostgreSQL?

A: Oracle is a proprietary database management system, while PostgreSQL is open-source. Oracle is known for its high performance and scalability, while PostgreSQL is known for its compliance with SQL standards, support for advanced data types, and extensibility.

Q: What are some of the benefits of migrating from Oracle to PostgreSQL?

A: Some of the benefits of migrating from Oracle to PostgreSQL include lower costs, better performance for read-intensive workloads, better data integrity and security, better support for modern applications and development practices, and more.

Q: What are the steps involved in migrating from Oracle to PostgreSQL?

A: The steps involved in migrating from Oracle to PostgreSQL typically include:

1. Schema Migration: converting the database schema from Oracle to PostgreSQL format.

2. Data Migration: transferring data from the Oracle database to the PostgreSQL database.

3. Functional and Performance Testing: ensuring that the data has been successfully migrated and that the new database system is performing as expected.

4. Switchover: switching over to the new PostgreSQL database and decommissioning the old Oracle database.

Q: What is ECS and how does it differ from EKS?

A: ECS (Amazon Elastic Container Service) is a container management service provided by Amazon Web Services (AWS). EKS (Amazon Elastic Kubernetes Service) is a managed Kubernetes service provided by AWS. ECS provides a simple and scalable way to run Docker containers in AWS, while EKS provides a way to run Kubernetes-based containerized applications in AWS.

Q: Can I run Windows on ECS?

A: No, ECS only supports Linux-based containers.