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Database systems: MySQL 8.3 vs. PostgreSQL 17

Quick Verdict

PostgreSQL excels in complex queries and data types, while MySQL offers strong security features and scalability options.

Comparison of Database systemsMySQL 8.3 vs. PostgreSQL 17

Key features – Side-by-Side

AttributeMySQL 8.3PostgreSQL 17
Data Types Supportednumeric, date and time, string (character and byte), spatial, and JSON data types.Numeric, character, date/time, boolean, arrays, UUID, JSON, hstore, geometric, enumerated, network address, ranges, XML, and composite types.
Scalability (Vertical and Horizontal)Offers both vertical and horizontal scalability. MySQL Enterprise Scalability is available.Vertical and Horizontal (distributing workloads across multiple servers via sharding and replication).
Replication MethodsTraditional replication using binary logs and GTIDs. Master-slave and multi-source replication.Physical and logical replication. Streaming replication using primary-secondary configuration.
ACID Compliance LevelComplete ACID support.ACID-compliant since 2001. Transaction isolation levels: Read Committed, Repeatable Read, and Serializable.
Concurrency Control MechanismsMulti-Version Concurrency Control (MVCC).Multi-Version Concurrency Control (MVCC).
Security Features (Authentication, Authorization, Encryption)Flexible privilege and password system with host-based verification. Supports encrypted connections using TLS. MySQL Enterprise Authentication.Authentication, authorization, and encryption.
Supported Index TypesB-tree indexes, Hash indexes, Full-text indexes, Spatial indexes, Composite indexes.B-tree (default), Hash, GiST, SP-GiST, GIN, and BRIN.
Full-Text Search CapabilitiesBuilt-in full-text search capabilities.Built-in full-text search capabilities.
JSON Support and FunctionsSupports JavaScript Object Notation (JSON).`JSON_TABLE()` function, extended JSON Path capabilities, `JSON_EXISTS`, `JSON_QUERY`, and `JSON_VALUE` functions.
GIS (Geographic Information System) SupportOffers GIS support.PostGIS extension for geospatial data.
Extensibility (Stored Procedures, User-Defined Functions)Supports plugins.User-defined functions and stored procedures.
Cloud Deployment OptionsCan be deployed in the cloud using IaaS or DBaaS options.AWS, Google Cloud, and Azure (managed services and self-managed solutions).

Overall Comparison

Data Types: PostgreSQL more extensive; Scalability: Both offer vertical and horizontal; JSON: PostgreSQL advanced functions

Pros and Cons

MySQL 8.3

Pros:
  • No notable advantages reported.
Cons:
  • No major disadvantages reported.

PostgreSQL 17

Pros:
  • Richer support for complex data types like JSON and geospatial data compared to MySQL 8.3.
  • Advanced JSON querying capabilities with functions like `JSON_TABLE()`.
  • Supports the PostGIS extension for geospatial data.
  • MVCC model handles concurrent write operations more gracefully than MySQL 8.3.
  • Logical replication provides fine-grained control.
  • Advanced query planner and optimizer.
Cons:
  • Migrating from MySQL can present compatibility issues.
  • Security Features: Information not available to compare security features between the two.
  • Resource Requirements: Information not available regarding specific resource requirements.
  • Licensing Costs and Support: Information not available regarding specific licensing costs.
  • Limitations in High-Availability Environments: Information not available regarding specific limitations.

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