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Head-to-head · Database systems

MySQL vs PostgreSQL

Both have free options. PostgreSQL has no paid plans; MySQL adds paid editions, HeatWave, enterprise support, and embedded licensing.

MySQL

6.8/10
VS

PostgreSQL

8.0/10

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Short answer

Most buyers should pick PostgreSQL.

Choose PostgreSQL if you want an open-source database with no paid plans: its listed license is free, with no published seat or usage limits. Choose MySQL if you need compatibility with an existing stack, MySQL’s embedded licensing, HeatWave, or Enterprise features and technical support. MySQL Community Edition is also free, but paid Standard starts at $2,140 per server per year for 1–4 sockets; monthly billing is not published.

01Side by side

MySQLPostgreSQL
Starting price$0 Community; paid Standard: $2,140/server/year (1–4 sockets)Free; no paid plans
Free planCommunity Edition is free under GPLOpen-source, free of charge
Best forCompatibility, HeatWave, enterprise, or embedded deploymentsOpen-source use without paid plan fees
Core strengthTransactions, HeatWave analytics, AI, and embedded optionsObject-relational system; reliability and performance reputation
Learning curve (review ease score)Review ease-of-use score: 7/10Review ease-of-use score: 6.5/10
Integrations/dataTransactions, analytics, and embedded-product database optionsOpen-source object-relational database
Team/seat costsPaid editions licensed per server; seat limits unpublishedNo published seat or usage limits
SupportEnterprise includes technical supportOfficial documentation and community resources

Choose MySQL if

  • Choose MySQL if compatibility with your existing stack matters.
  • Choose MySQL if you need HeatWave or MySQL Enterprise features.
  • Choose MySQL if you need embedded licensing or technical support.

Choose PostgreSQL if

  • Choose PostgreSQL if you want a free database with no paid plans.
  • Choose PostgreSQL if an open-source object-relational system fits your needs.
  • Choose PostgreSQL if you value its reliability and performance reputation.

02Pricing compared

PostgreSQL is free of charge under the OSI-approved PostgreSQL License. Its listing shows no paid plans and no published seat or usage limits. MySQL also has a free option: Community Edition is free under GPL, though its socket and seat limits are not published.

MySQL’s paid Standard Edition lists at $2,140 per server per year for 1–4 sockets and $4,280 for 5 or more sockets. Enterprise costs $5,350 or $10,700 per server per year for those respective server sizes, and includes a 30-day trial. Monthly prices are not published. Cluster Carrier Grade Edition starts at $10,700 per server per year for 1–4 sockets; pricing for 5+ sockets is not published. Classic Edition pricing is also not published and is available through OEM or embedded licensing. PostgreSQL is the simpler price choice; compare MySQL’s paid features against the cost before committing.

03Features and depth

Both products are database platforms, but the listed offerings differ. PostgreSQL is an open-source object-relational database system, with more than 35 years of active development. Its homepage points to reliability and performance, and its documentation and community resources cover installing, using, and learning the system.

MySQL offers Community, Enterprise, Cluster, and HeatWave options. Its homepage highlights transaction processing, analytics, machine learning, generative AI, and embedded products. HeatWave combines transactions with lakehouse-scale analytics in a cloud service. MySQL AI is described as providing integrated, automated, secure machine learning and generative AI capabilities. Enterprise Edition includes advanced features, management tools, and technical support. MySQL also describes community participation and early access to upcoming Community Edition builds.

That breadth matters if you specifically need MySQL’s managed analytics, AI, enterprise support, or embedded licensing. The available descriptions do not establish that one database is faster or more reliable than the other; compare the capabilities you need rather than treating homepage claims as a head-to-head benchmark.

04Ease of use and learning curve

Neither listing gives enough detail to call one database easier to operate in every setup. PostgreSQL provides official documentation and community resources for installation, use, and learning. Its review notes that the system offers a lot for free, while its flexibility still requires teams to plan their data.

MySQL’s review rates ease of use at 7 out of 10, compared with PostgreSQL’s 6.5, but those scores are not a controlled comparison. MySQL also has multiple editions and server-size price tiers to assess if you need a paid version. For a switch, check application compatibility and the specific features your team depends on before weighing learning curve against licensing cost.

Questions people ask

Is PostgreSQL free?

Yes. PostgreSQL is listed as free open-source software under the OSI-approved PostgreSQL License. Its pricing information shows no paid plans and no published seat or usage limits. The listing does not specify a free trial, which is not needed for the free offering.

Is MySQL free?

MySQL Community Edition is free under GPL. The published pricing information does not publish its socket or seat limits. Other MySQL editions are paid: Standard starts at $2,140 per server per year for 1–4 sockets, while Enterprise starts at $5,350 per server per year for that server size.

What are the key differences between PostgreSQL and other databases?

PostgreSQL is described as an open-source object-relational database with more than 35 years of active development. Database-to-database differences depend on the alternative and the workload. For MySQL specifically, the listed distinctions include paid Enterprise and Cluster editions, HeatWave analytics, AI features, and embedded licensing.

Is PostgreSQL better than MongoDB?

The published information does not compare PostgreSQL with MongoDB, so it cannot establish which is better. PostgreSQL is described here as an open-source object-relational database. Choose based on your data model, application requirements, and operating needs; the available sources do not provide a head-to-head benchmark.