The thing is that only PostgreSQL has NoSQL features, native support for XML and JSON indexing. And because their implementation is increasing day by day, both MySQL vs PostgreSQL have adopted JSON support. In general, the performance of PostgreSQL is better used in systems that require executing complex queries.Ĭurrently, with the explosion of Big Data applications, NoSQL databases are more common. PostgreSQL is widely used in large systems where to read and write speeds are crucial and the data needs to be validated.Its performance is low when subjected to heavy loads or when trying to complete complex queries. MySQL is a popular choice for web-based projects that need a simple database for direct and simple data transactions, mostly read operations.It completely depends on the requirements of the application, however, we can consider the following aspects in the PostgreSQL vs MySQL debate: PostgreSQL is almost complete with the SQL standard making it very easy to move from one database to another with similar standards such as Oracle, while MySQL standards and ACID complies are poorer as long as it uses InnoDB and NDB Cluster mechanisms. “PostgreSQL is 100% compliant with ACID.” Compliance with ACID ensures that no data is lost or transmitted to another place in the system in case of a failure, even when several changes are made during a single transaction. What is ACID? Well, ACID (atomicity, consistency, isolation, durability) is a set of properties of database transactions. It is flexible and highly scalable, and obviously, because it is part of the LAMP stack… this makes it the favorite choice for web applications such as WordPress.Īlthough both database engines have a fairly large developer community, the advantage it has over PostgreSQL is quite remarkable, but do not be fooled by it, since in recent years its acceptance has increased, as shown in the following image. Is MySQL more popular than PostgreSQL? Of course, but this is due to its speed and low resource consumption. There is nothing to worry about so far, but that could change if Oracle decides so. If we speak of open source, I would say that the only really free is PostgreSQL, since MySQL was acquired by Oracle in 2010 making its license limited. Nowadays, both are a free and available open source software with great benefits, such as flexibility, costs, security and a large community that supports them.
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