An Overview of Moving Databases From Oracle to Postgres

 

In this post, we will take an overview of why you should migrate databases from Oracle to Postgres and the benefits such a move brings to the table.

Click here to learn more about migrating databases from Oracle to Postgres.

Why should you move databases from Oracle to Postgres? There are primarily three reasons for doing so.

·        Cost factor: Oracle charges license fees and additional costs for portioning while Postgres is free to use.



·        Flexibility: Oracle has the risk of vendor lock-in but Postgres being open-source is available from multiple public cloud providers.

·        Customizability: Postgres offers several free extensions to boost database performance but any Oracle add-ons is added to the cost of usage.

Database migration from Oracle to Postgres is not easy and often challenging as both are relational database management systems (RDMS).  

What are the benefits of moving databases from Oracle to Postgres?

·        Developers can access Postgres more easily as it is an open-source environment even though both Oracle and Postgres offer an API for database communication.

·        Oracle has a fixed built-in authentication system while Postgres with host-based authentication provides support for several authentication methods.

·        While Oracle has a proprietary plug-in system, Postgres has a community that supports its extension system, thereby providing access to thousands of plug-ins.

·        Oracle offers globalization support tools and Unicode character support. Postgres on the other hand offers automatic character coding and collation support.

·        Oracle charges additional fees for each node in the read cluster whereas Postgres has unlimited number of nodes, making cost of read operation very negligible.  

The main advantage that Postgres has over Oracle is that it is open-source in nature with access to the public cloud.

It is because of these benefits that businesses want to move databases from Oracle to Postgres.

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