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In modern data processing, companies are faced with the challenge of choosing the right database technology for their specific requirements. PostgreSQL and Databricks are two widely used solutions, each with their own strengths. In this blog post, I will highlight the differences between PostgreSQL and Databricks, examine their respective advantages and disadvantages, and provide specific use cases that justify a switch to Databricks.

PostgreSQL: A powerful relational database system

PostgreSQL is a powerful object-relational database that is valued for its reliability, flexibility and extensive SQL functionality. It is open source and has proven itself in a wide range of applications, from small web applications to large enterprise solutions.

The strengths of PostgreSQL
  • 1. Performance: PostgreSQL offers strong performance for OLTP (Online Transaction Processing) applications.
  • 2. Cost: PostgreSQL is free to use and operating costs are low, especially in on-premise environments.
  • 3. Functions: Support for complex queries, indexing, full-text search and extensions.
  • 4. Transaction security: With ACID compliance, PostgreSQL offers maximum reliability and data integrity.

Databricks: A platform for big data and machine learning

Databricks is a cloud-based platform based on Apache Spark. It was developed to efficiently process large amounts of data and provide advanced analysis and machine learning functions. Databricks is particularly suitable for companies that need to perform data-intensive tasks and analyses.

Advantages of Databricks:
  • 1. Performance: Integration with Apache Spark allows Databricks to process large amounts of data quickly and in parallel.
  • 2. Scalability: The cloud-based architecture enables almost unlimited scalability.
  • 3. Functions: Advanced analytics, built-in support for machine learning and a user-friendly development environment.
  • 4. Integration: Seamless integration with various cloud services, data sources and data formats.

Differences between PostgreSQL and Databricks

Performance:

PostgreSQL: Optimal for transactional workloads and small to medium data volumes.

Databricks: Superior for large data volumes and analytical workloads thanks to parallel processing.

Costs:
  • PostgreSQL: Low to no licence costs, but potentially higher maintenance costs for large data volumes.
  • Databricks: More cost-intensive due to cloud usage and billing based on computing resources, but more cost-efficient for large data processing tasks.
Scalability:
  • PostgreSQL: Good vertical scalability, limited horizontal scalability.
  • Databricks: Almost unlimited horizontal scalability in the cloud.
Typical application scenarios:
  • PostgreSQL: Ideal for traditional business applications, web applications and smaller analytical tasks.
  • Databricks: Perfect for big data analyses, machine learning, real-time analyses and data-intensive applications.

Use cases: When it makes sense to switch to Databricks

1.Big data analytics:

An e-commerce company analyses billions of customer interactions every day to generate personalised recommendations. Processing and analysing these huge amounts of data requires the parallel processing capacity of Databricks.

2. Machine learning:

A financial institution develops and trains complex machine learning models for fraud detection. Databricks' built-in support for machine learning and scalability enable fast and efficient model development and deployment.

3. Real-time data processing:

Media companies need to process and analyse large amounts of streaming data in real time to gain instant insights into viewer behaviour. Databricks provides the necessary performance and scalability to fulfil these requirements.

Conclusion

Switching from PostgreSQL to Databricks makes particular sense if your organisation:

  • works with very large amounts of data that require parallel processing.
  • require advanced analytics and machine learning.
  • are looking for a cloud-based, scalable solution for real-time data processing.

While PostgreSQL is an excellent choice for traditional transactional applications, Databricks offers the performance and flexibility required for modern data-intensive applications. If your organisation meets these requirements, switching to Databricks can bring significant benefits.

Would you like to find out more about exciting topics from the world of adesso? Then take a look at our previous blog posts.

Picture Siver Rajab

Author Siver Rajab

Siver Rajab is a Consultant in the Banking division at adesso. With a background in data integration and many years of experience as a business analyst, Siver supports decision makers in taking the right steps towards success.


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