PostgreSQL is a free open-source relational database known for its stability, flexibility, scalability, and performance. This makes it cost-effective compared to Oracle and Microsoft SQL Server, and many companies use PostgreSQL databases in combination with other databases.
PostgreSQL has been around since the 80s so it is not a new technology, but its popularity has increased in the last 10 years. The major cloud providers (AWS, Microsoft Azure and Google Cloud) have integrated PostgreSQL into their services, making it easier for enterprises to adopt and scale the database.
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