MySQL
The most popular open-source relational database, easy to use, mature ecosystem, and stable performance. Suitable for most web applications, especially small and medium-sized projects. The default InnoDB engine supports transaction and row level locks.
PostgreSQL
The most advanced open-source relational database, supporting complex queries JSON、 Geospatial and full-text search. Suitable for scenarios with large amounts of data, complex queries, and strict consistency requirements.
MongoDB
The most popular NoSQL document database, JSON like document model, flexible schema, and horizontal extension. Suitable for scenarios with fast iteration, frequent structural changes, and large amounts of data.
How to choose
Structured data+transactions: MySQL/PostgreSQL; Semi structured+flexible mode: MongoDB; Complex queries+strict consistency: PostgreSQL; Easy to use and mature ecosystem: MySQL.
Disclaimer: Articles on this site come from original content, reposts, AI generation, and other sources. If there are copyright or other issues, pleaseclick here to feedback, and our company will verify and handle it promptly.